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
The onset of September brings a small shift in high-temperatures, falling from a moderately hot 78.4°F (25.8°C) in August to a pleasant 71.6°F (22°C). An average low-temperature of 50.9°F (10.5°C) is recorded during the nights in September.Humidity
In Stowell, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 153.7 rainfall days, and 28.35" (720mm) of precipitation is accumulated.Snowfall
In Stowell, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:31 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:47 pm EDT.
Sunshine
In Stowell, the average sunshine in September is 8.5h.UV index
In Stowell, the average daily maximum UV index in September 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 daily maximum UV index of 3 in September translates into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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 Stowell 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?
How many hours of sunshine does Stowell have in September?
What is the UV index intensity in September?
Average temperature in September
Stowell, PA
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Stowell, PA
- Average pressure in September: 30.07"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
Stowell, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January, February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Stowell, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in September
Stowell, PA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in September
Stowell, PA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Stowell, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stowell, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stowell, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Stowell, PA
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Stowell, 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
Stowell, PA
- Average cloud cover in September: 43
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Stowell, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Stowell, Pennsylvania, USA
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