September weather forecast
Wennersville, PA

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Weather in September

September, the first month of the autumn in Wennersville, is still a warm month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 74.3°F (23.5°C).

Temperature

September's arrival subtly correlates with a reduction in the average high-temperature, down from a warm 81°F (27.2°C) in August to a still moderately hot 74.3°F (23.5°C). Wennersville's average low-temperature in the month of September is recorded at a cool 55°F (12.8°C).

Humidity

In Wennersville, the average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.61" (41mm) of precipitation.

Snowfall

June through September are months without snowfall in Wennersville.

Daylight

In Wennersville, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

Sunshine

In Wennersville, the average sunshine in September is 8.7h.

UV index

In Wennersville, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature, in September, in Wennersville, records 74.3°F (23.5°C), while the low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is calculated to be 86°F (30°C).

What is the average humidity in September?

In Wennersville, the average relative humidity in September is 79%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.61" (41mm) of precipitation.

How many days does it rain in September in Wennersville?

In Wennersville, during September, the rain falls for 11.5 days and regularly aggregates up to 1.61" (41mm) of precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Wennersville have in September?

The average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

How many hours of sunshine does Wennersville have in September?

In Wennersville, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September?

In Wennersville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Wennersville, PA

Average temperature in September - Wennersville, PA
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Wennersville, PA

Average pressure in September - Wennersville, PA
  • Average pressure in September: 30.06"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
Wennersville, PA

Average wind speed in September - Wennersville, PA
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Wennersville, PA

Average humidity in September - Wennersville, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in September
Wennersville, PA

Average rainfall in September - Wennersville, PA
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in September
Wennersville, PA

Average rainfall days in September - Wennersville, PA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.7 days).

Average snowfall in September
Wennersville, PA

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

The month with the highest snowfall is March (4.37").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Wennersville, PA

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

The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Wennersville, PA

Average sunshine days in September - Wennersville, PA
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in September
Wennersville, PA

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Wennersville, PA

Average cloud cover in September - Wennersville, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September
Wennersville, PA

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

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

Wennersville, Pennsylvania, USA

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