September weather forecastThumptown, PA
September
Weather in September
September, the first month of the autumn in Thumptown, is still a pleasant month, with an average temperature ranging between max 69.8°F (21°C) and min 49.6°F (9.8°C).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 77.2°F (25.1°C) in August to a pleasant 69.8°F (21°C). Thumptown experiences an average low-temperature of 49.6°F (9.8°C) in the month of September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Thumptown, during September, the rain falls for 10.7 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, there are 125.8 rainfall days, and 15.71" (399mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:36 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:52 pm EDT.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Thumptown, PA
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 49.6°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Thumptown, PA
- Average pressure in September: 30.06"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
Thumptown, 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 (5.6mph).
Average humidity in September
Thumptown, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).
Average rainfall in September
Thumptown, PA
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is April (1.69").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
Thumptown, PA
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Thumptown, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Thumptown, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Thumptown, PA
- Average daylight in September: 12h and 30min
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 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Thumptown, PA
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Thumptown, 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
Thumptown, PA
- Average cloud cover in September: 44
The months with the most cloud cover are January, February and December (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Thumptown, PA
- Average visibility in September: 4mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is September (4mi).
