September weather forecast
Midwest City, OK

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Weather in September

September in Midwest City represents a shift from summer to autumn, featuring a cooling trend and changing foliage. An average high temperature of 84.4°F (29.1°C) and a low of 65.1°F (18.4°C) makes the weather significantly cooler than August. The decrease in temperature does not result in an increase in rainfall; instead, September sees a decrease in the amount of rainfall compared to the summer months. More modest wind speeds accompany the cooler temperatures, leading to a comfortable atmosphere. September typically offers some of the most comfortable weather of the year, with less humidity and plentiful sunshine.

Temperature

The arrival of September is marked by a minor reduction in average high-temperature, sliding from a hot 92.7°F (33.7°C) in August to a warm 84.4°F (29.1°C). Midwest City records an average low-temperature of 65.1°F (18.4°C) throughout the month of September.

Heat index

September's average heat index is estimated at a hot 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In Midwest City, the average relative humidity in September is 66%.

Rainfall

In Midwest City, during September, the rain falls for 11.6 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 113.6 rainfall days, and 18.9" (480mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Midwest City, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm CDT.

Sunshine

In Midwest City, the average sunshine in September is 8.6h.

UV index

In Midwest City, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 5 during September leads to these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

How hot is it in September?

The high-temperature during September is 84.4°F (29.1°C) and the low-temperature is 65.1°F (18.4°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is estimated at 89.6°F (32°C).

What is the average humidity in September?

The average relative humidity in September is 66%.

How much does it rain in September?

In Midwest City, in September, during 11.6 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

The average day length in September is 12h and 23min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:02 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:14 pm CDT.

How many hours of sunshine does Midwest City have in September?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September?

In September, the average daily maximum UV index in Midwest City is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to 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
Midwest City, OK

Average temperature in September - Midwest City, OK
  • Average high temperature in September: 84.4°F

The warmest month (with the highest average high temperature) is July (93.4°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (32°F).

Average pressure in September
Midwest City, OK

Average pressure in September - Midwest City, OK
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Midwest City, OK

Average wind speed in September - Midwest City, OK
  • Average wind speed in September: 8.6mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).

Average humidity in September
Midwest City, OK

Average humidity in September - Midwest City, OK
  • Average humidity in September: 66%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (60%).

Average rainfall in September
Midwest City, OK

Average rainfall in September - Midwest City, OK
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is May (3.03").
The driest months (with the least rainfall) are January and February (0.71").

Average rainfall days in September
Midwest City, OK

Average rainfall days in September - Midwest City, OK
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in September
Midwest City, OK

Average snowfall in September - Midwest City, OK
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Midwest City, OK

Average snowfall days in September - Midwest City, OK
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Midwest City, OK

Average daylight in September / Average sunshine in September - Midwest City, OK
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in September
Midwest City, OK

Average sunshine days in September - Midwest City, OK
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is January (24.7 days).
The month with the least sunshine days is May (14.6 days).

Average UV index in September
Midwest City, OK

Average UV index in September - Midwest City, OK
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in September
Midwest City, OK

Average cloud cover in September - Midwest City, OK
  • Average cloud cover in September: 27

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Midwest City, OK

Average visibility in September - Midwest City, OK
  • 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).

Midwest City, Oklahoma, USA

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