September weather forecastAllensville, PA
September
Weather in September
September, the first month of the autumn in Allensville, is still a warm month, with an average temperature varying between 74.1°F (23.4°C) and 53.4°F (11.9°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a warm 81.1°F (27.3°C) in August to a still moderately hot 74.1°F (23.4°C). In September, Allensville encounters an average low-temperature of 53.4°F (11.9°C) during the night.Humidity
In September, the average relative humidity is 79%.Rainfall
In Allensville, in September, during 13.7 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Allensville, Pennsylvania, during the entire year, the rain falls for 162 days and collects up to 28.86" (733mm) of precipitation.Snowfall
In Allensville, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:39 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:54 pm EDT.
Sunshine
In September, the average sunshine is 8.7h.UV index
In Allensville, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Allensville, PA
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Allensville, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Allensville, PA
- Average wind speed in September: 4.8mph
The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Allensville, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Allensville, PA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (3.31").
The driest months (with the least rainfall) are January and November (1.85").
Average rainfall days in September
Allensville, PA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Allensville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Allensville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Allensville, PA
- Average daylight in September: 12h and 24min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Allensville, PA
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Allensville, PA
- Average UV index in September: 4
The month with the highest UV index is June (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
Allensville, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Allensville, 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).





