September weather forecastAtlasburg, PA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Atlasburg, Pennsylvania, with an average temperature varying between 75.4°F (24.1°C) and 55.2°F (12.9°C).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from a moderately hot 81.7°F (27.6°C) in August to a still warm 75.4°F (24.1°C). In Atlasburg, September's nights observe an average temperature dip to a cool 55.2°F (12.9°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Atlasburg, in September, during 14.3 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Atlasburg, during the entire year, the rain falls for 183.5 days and collects up to 34.37" (873mm) of precipitation.Snowfall
In Atlasburg, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Atlasburg, PA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 55.2°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in September
Atlasburg, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Atlasburg, PA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Atlasburg, PA
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Atlasburg, PA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Atlasburg, PA
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in September
Atlasburg, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Atlasburg, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Atlasburg, PA
- Average daylight in September: 12h and 24min
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 18min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Atlasburg, PA
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in September
Atlasburg, PA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Atlasburg, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Atlasburg, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).





