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
September brings a minor shift in the average high-temperature, adjusting from 83.3°F (28.5°C) in August to a still moderately hot 76.1°F (24.5°C). Throughout September, Willowmere's nights cool down to an average of 59.9°F (15.5°C).Humidity
The average relative humidity in September in Willowmere is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 10.1 days and accumulates 0.75" (19mm) of precipitation.Snowfall
May through October are months without snowfall in Willowmere.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of September, in Willowmere, sunrise is at 6:56 am and sunset at 6:44 pm EDT.
Sunshine
The average sunshine in September in Willowmere, Pennsylvania, is 8.8h.UV index
In Willowmere, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the usual temperature for Willowmere in September?
What is the average humidity in September in Willowmere?
What is the driest month in Willowmere?
How much does it rain in Willowmere in September?
When it does not snow in Willowmere?
How many hours of daylight does Willowmere have in September?
When are sunrise and sunset in September in Willowmere?
How long on average sun shines in September in Willowmere?
What is the UV index reading in September in Willowmere?
Average temperature in September
Willowmere, PA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Willowmere, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Willowmere, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Willowmere, PA
- Average humidity in September: 75%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).
Average rainfall in September
Willowmere, PA
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in September
Willowmere, PA
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).
Average snowfall in September
Willowmere, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Willowmere, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Willowmere, 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 24min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Willowmere, PA
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).
Average UV index in September
Willowmere, PA
- Average UV index in September: 5
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
Willowmere, PA
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Willowmere, 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).
Willowmere, Pennsylvania, USA
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