September weather forecast
Nanticoke, PA

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Weather in September

September in Nanticoke marks the onset of autumn, bringing along cooler days. The notable shift in this month is the decline in temperatures to 71.4°F (21.9°C) and corresponding increase in rainfall. Though the sunny days are becoming fewer, daylight hours and relative humidity remain relatively stable. Transitioning from September to October, anticipate a further fall in temperatures and an upswing in rainfall.

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderately hot 78.3°F (25.7°C) to an agreeable 71.4°F (21.9°C). In September, Nanticoke encounters an average low-temperature of 51.6°F (10.9°C) during the night.

Humidity

In September, the average relative humidity is 80%.

Rainfall

The months with the least rainfall are January and September Rain falls for 13.2 days and accumulates 2.09" (53mm) of rain.

Snowfall

June through September are months without snowfall.

Daylight

In Nanticoke, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

Sunshine

In September, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the usual temperature for Nanticoke in September?

Nanticoke in September has an average high-temperature of 71.4°F (21.9°C) and an average low-temperature of 51.6°F (10.9°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in September?

In Nanticoke, the average relative humidity in September is 80%.

What is the driest month?

January and September are months with the least rain when the rain falls for 13.2 days and typically aggregates up to 2.09" (53mm) of rain.

How much does it rain in September?

In September, the rain falls for 13.2 days. Throughout September, 2.09" (53mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Nanticoke, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Nanticoke have in September?

In September, the average day length is 12h and 28min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:47 pm EDT.

How long on average sun shines in September?

In Nanticoke, the average sunshine duration in September is 8.5h.

What is the UV index intensity in September?

In September, the average daily maximum UV index in Nanticoke is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Nanticoke, PA

Average temperature in September - Nanticoke, PA
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in September: 51.6°F

The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure in September
Nanticoke, PA

Average pressure in September - Nanticoke, PA
  • Average pressure in September: 30.07"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Nanticoke, PA

Average wind speed in September - Nanticoke, PA
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in September
Nanticoke, PA

Average humidity in September - Nanticoke, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in September
Nanticoke, PA

Average rainfall in September - Nanticoke, PA
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and September (2.09").

Average rainfall days in September
Nanticoke, PA

Average rainfall days in September - Nanticoke, PA
  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.2 days).

Average snowfall in September
Nanticoke, PA

Average snowfall in September - Nanticoke, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Nanticoke, PA

Average snowfall days in September - Nanticoke, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Nanticoke, PA

Average daylight in September / Average sunshine in September - Nanticoke, PA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

Average sunshine days in September
Nanticoke, PA

Average sunshine days in September - Nanticoke, PA
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (9.1 days).

Average UV index in September
Nanticoke, PA

Average UV index in September - Nanticoke, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Nanticoke, PA

Average cloud cover in September - Nanticoke, PA
  • Average cloud cover in September: 42

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in September
Nanticoke, PA

Average visibility in September - Nanticoke, PA
  • Average visibility in September: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

Nanticoke, Pennsylvania, USA

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