Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Bell Acres records a mild change in average high-temperature during September, easing from a moderately hot 81.7°F (27.6°C) in August to a still warm 75°F (23.9°C). Throughout the month of September, the average temperature dips to a moderate 55.4°F (13°C) at night.Humidity
In September, the average relative humidity is 78%.Rainfall
In Bell Acres, in September, it is raining for 14.5 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 171.3 rainfall days, and 25.79" (655mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:03 pm EDT.
Sunshine
The average sunshine in September is 8.4h.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 ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September in Bell Acres?
How many hours of sunshine does Bell Acres have in September?
What is the UV index reading in September?
Average temperature in September
Bell Acres, PA
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
Bell Acres, PA
- Average pressure in September: 30.05"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
Bell Acres, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Bell Acres, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Bell Acres, PA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is April (2.72").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Bell Acres, PA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
Bell Acres, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bell Acres, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bell Acres, PA
- Average daylight in September: 12h and 2min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Bell Acres, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in September
Bell Acres, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Bell Acres, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Bell Acres, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
Bell Acres, Pennsylvania, USA
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