September weather forecastFlinton, PA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Flinton, Pennsylvania, with an average temperature ranging between max 72.1°F (22.3°C) and min 52.3°F (11.3°C).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 78.4°F (25.8°C) in August to an agreeable 72.1°F (22.3°C). An average nighttime temperature of 52.3°F (11.3°C) is noted during the month of September.Humidity
In September, the average relative humidity is 80%.Rainfall
In Flinton, during September, the rain falls for 14.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Flinton, during the entire year, the rain falls for 173.2 days and collects up to 32.44" (824mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Flinton, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:57 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Flinton, PA
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Flinton, 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
Flinton, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Flinton, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in September
Flinton, PA
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in September
Flinton, PA
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Flinton, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Flinton, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Flinton, PA
- Average daylight in September: 12h and 30min
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 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Flinton, PA
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Flinton, PA
- Average UV index in September: 3
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
Flinton, PA
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Flinton, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).





