September weather forecastPennellville, NY
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Pennellville, New York, with an average temperature fluctuating between 55.2°F (12.9°C) and 69.8°F (21°C).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 75.7°F (24.3°C) in August to a pleasant 69.8°F (21°C). Pennellville experiences a steady low-temperature of 55.2°F (12.9°C) throughout September.Humidity
The months with the lowest humidity are April, September and November, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall. Rain falls for 15.1 days and accumulates 2.52" (64mm) of precipitation.Snowfall
In Pennellville, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:47 pm EDT.
Sunshine
In Pennellville, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pennellville, NY
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Pennellville, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Pennellville, NY
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Pennellville, NY
- 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, September and November (78%).
Average rainfall in September
Pennellville, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in September
Pennellville, NY
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in September
Pennellville, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (8.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pennellville, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pennellville, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in September
Pennellville, NY
- Average sunshine days in September: 13 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is February (4.4 days).
Average UV index in September
Pennellville, NY
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Pennellville, NY
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Pennellville, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
