September weather forecastBirdell, PA
September
Weather in September
The first month of the autumn, September, is still a warm month in Birdell, Pennsylvania, with an average temperature varying between 57.4°F (14.1°C) and 74.8°F (23.8°C).Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 81.1°F (27.3°C) in August to a still warm 74.8°F (23.8°C). During September, the average low-temperature is a mild 57.4°F (14.1°C).Humidity
In Birdell, the average relative humidity in September is 80%.Rainfall
In Birdell, in September, during 11.5 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, there are 138.3 rainfall days, and 19.76" (502mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Birdell, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In Birdell, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Guard yourself - Avoiding sunburn is suggested. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Birdell, PA
- Average high temperature in September: 74.8°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 (35.6°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Birdell, 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 (29.94"Hg).
Average wind speed in September
Birdell, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Birdell, PA
- Average humidity in September: 80%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Birdell, PA
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Birdell, PA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Birdell, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Birdell, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Birdell, 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 24min).
- Average sunshine in September: 8h and 36min
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 30min).
Average sunshine days in September
Birdell, PA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Birdell, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (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
Birdell, PA
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Birdell, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
