September weather forecast
Ocean Springs, MS

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A footbridge on the Gulf coast beach in Ocean Springs, Mississippi
A footbridge on the Gulf coast beach in Ocean Springs, Mississippi

Weather in September

September brings a significant change to Ocean Springs as the weather begins its transit to the cooler autumnal temperatures. The average high temperature drops to a more comfortable 86.7°F (30.4°C), ensuring a noticeable difference from the peak summer months. As the fall season unravels, the daylight hours start to diminish, giving way to lengthier nights. The reduction in sunlight comes with a pleasant coolness, taking away the sting of the summer heat. With October around the corner, the marked transition from summer to autumn becomes even more prominent, accompanied by a substantial reduction in rain frequency.

Temperature

The transition from August to September in Ocean Springs sees average high-temperatures adjusting to a still tropical 86.7°F (30.4°C), from a not significantly different 89.8°F (32.1°C). In September, the recorded average low-temperature is a moderately hot 74.3°F (23.5°C).

Heat index

September's average heat index is evaluated at a very hot 98.6°F (37°C). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In Ocean Springs, Mississippi, the average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 19.2 days. Throughout September, 3.86" (98mm) of precipitation is accumulated. In Ocean Springs, during the entire year, the rain falls for 179.4 days and collects up to 40.71" (1034mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:41 pm CDT.

Sunshine

In Ocean Springs, the average sunshine in September is 10h.

UV index

In Ocean Springs, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

How hot is September?

The high-temperature during September is 86.7°F (30.4°C) and the low-temperature is 74.3°F (23.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 98.6°F (37°C).

What is the average humidity in September?

In September, the average relative humidity is 74%.

How much does it rain in September?

In Ocean Springs, in September, during 19.2 rainfall days, 3.86" (98mm) of precipitation is typically accumulated.

When it does not snow?

In Ocean Springs, snow does not fall in February through December.

How many hours of daylight does Ocean Springs have in September?

In Ocean Springs, Mississippi, the average day length in September is 12h and 20min.

When are sunrise and sunset in September in Ocean Springs?

In September, on the first day of the month, sunrise is at 6:32 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:41 pm CDT.

How long on average sun shines in September?

In Ocean Springs, the average sunshine duration in September is 10h.

How high is the UV index in September?

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ocean Springs, MS

Average temperature in September - Ocean Springs, MS
  • Average high temperature in September: 86.7°F

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in September: 74.3°F

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

Average pressure in September
Ocean Springs, MS

Average pressure in September - Ocean Springs, MS
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in September
Ocean Springs, MS

Average wind speed in September - Ocean Springs, MS
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in September
Ocean Springs, MS

Average humidity in September - Ocean Springs, MS
  • Average humidity in September: 74%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Ocean Springs, MS

Average rainfall in September - Ocean Springs, MS
  • Average rainfall in September: 3.86"

The wettest month (with the highest rainfall) is August (6.34").
The driest month (with the least rainfall) is November (2.09").

Average rainfall days in September
Ocean Springs, MS

Average rainfall days in September - Ocean Springs, MS
  • Average rainfall days in September: 19.2 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in September
Ocean Springs, MS

Average snowfall in September - Ocean Springs, MS
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.35").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Ocean Springs, MS

Average snowfall days in September - Ocean Springs, MS
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Ocean Springs, MS

Average daylight in September / Average sunshine in September - Ocean Springs, MS
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in September
Ocean Springs, MS

Average sunshine days in September - Ocean Springs, MS
  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are July and August (5.1 days).

Average UV index in September
Ocean Springs, MS

Average UV index in September - Ocean Springs, MS
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

Average cloud cover in September
Ocean Springs, MS

Average cloud cover in September - Ocean Springs, MS
  • Average cloud cover in September: 25

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).

Average visibility in September
Ocean Springs, MS

Average visibility in September - Ocean Springs, MS
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Ocean Springs, Mississippi, USA

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