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 sees a slight reduction in average high-temperature, with a shift from a moderately hot 77.4°F (25.2°C) in August to an agreeable 70.7°F (21.5°C). Upsonville's nighttime temperature in September drops to an average of 50.4°F (10.2°C).Humidity
In Upsonville, Pennsylvania, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 163.7 rainfall days, and 32.05" (814mm) of precipitation is accumulated.Snowfall
In Upsonville, snow does not fall in June through September.Daylight
The average length of the day in September in Upsonville is 12h and 28min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:36 pm. On the last day of September, in Upsonville, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine in Upsonville, Pennsylvania, is 8.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Upsonville?
What is the average humidity in September in Upsonville?
How much does it rain in Upsonville in September?
When it does not snow in Upsonville?
Does it snow in Upsonville in September?
What is the average length of the day in September in Upsonville?
When are sunrise and sunset in September in Upsonville?
How long on average sun shines in September in Upsonville?
How high is the UV index in September in Upsonville?
Average temperature in September
Upsonville, PA
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Upsonville, 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
Upsonville, PA
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Upsonville, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Upsonville, PA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in September
Upsonville, PA
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Upsonville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Upsonville, PA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Upsonville, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Upsonville, PA
- Average sunshine days in September: 14 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Upsonville, 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
Upsonville, PA
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Upsonville, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Upsonville, Pennsylvania, USA
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