September weather forecastEast Washington, PA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in East Washington, Pennsylvania, with an average temperature varying between 54.9°F (12.7°C) and 75.7°F (24.3°C).Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from a moderately hot 82°F (27.8°C) in August to a still warm 75.7°F (24.3°C). East Washington anticipates an average minimum temperature of 54.9°F (12.7°C) in the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.7 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 143 rainfall days, and 14.8" (376mm) of precipitation is accumulated.Snowfall
In East Washington, snow does not fall in June through September.Daylight
In September, the average length of the day in East Washington is 12h and 26min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In East Washington, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake precautions - Guarding against sun damage is counselled. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
East Washington, PA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in September
East Washington, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
East Washington, PA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
East Washington, PA
- Average humidity in September: 79%
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
East Washington, PA
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is July (1.65").
The driest months (with the least rainfall) are January and November (0.94").
Average rainfall days in September
East Washington, PA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
East Washington, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
East Washington, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
East Washington, 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
East Washington, PA
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
East Washington, PA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
East Washington, PA
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
East Washington, 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, February, March, May, June, July, August, September, October and December (5mi).
