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
In September, the average high-temperature marginally drops from a moderately hot 78.3°F (25.7°C) in August to a pleasant 71.1°F (21.7°C). In Dunning, the average nighttime temperature during September is a cool 50°F (10°C).Humidity
In Dunning, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. Throughout the year, in Dunning, there are 153.6 rainfall days, and 23.78" (604mm) of precipitation is accumulated.Snowfall
In Dunning, snow does not fall in June through September.Daylight
In September, the average length of the day in Dunning is 12h and 28min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Dunning?
What is the average humidity in September in Dunning?
How many days does it rain in September in Dunning?
When it does not snow in Dunning?
Does it snow in Dunning in September?
What is the average length of the day in September in Dunning?
What time are sunrise and sunset in September in Dunning?
How many hours of sunshine does Dunning have in September?
What is the UV index reading in September in Dunning?
Average temperature in September
Dunning, PA
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Dunning, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Dunning, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Dunning, PA
- Average humidity in September: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are April, May, June and July (78%).
Average rainfall in September
Dunning, PA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Dunning, PA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Dunning, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dunning, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dunning, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Dunning, PA
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Dunning, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Dunning, PA
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in September
Dunning, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Dunning, Pennsylvania, USA
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