September weather forecastSweeneys Crossroads, PA
September
Weather in September
September, the first month of the autumn in Sweeneys Crossroads, is still a warm month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 55°F (12.8°C).Temperature
Sweeneys Crossroads's transition into September involves a gentle shift in temperature, receding from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). Throughout September, the temperature falls to an average low of 55°F (12.8°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Sweeneys Crossroads, in September, during 14.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Sweeneys Crossroads, during the entire year, the rain falls for 191.3 days and collects up to 35.24" (895mm) of precipitation.Snowfall
June through September are months without snowfall in Sweeneys Crossroads.Daylight
The average length of the day in September in Sweeneys Crossroads is 12h and 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of September, in Sweeneys Crossroads, sunrise is at 7:15 am and sunset at 7:02 pm EDT.
Sunshine
In Sweeneys Crossroads, Pennsylvania, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Sweeneys Crossroads is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sweeneys Crossroads, PA
- Average high temperature in September: 75.4°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 55°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 (21.2°F).
Average pressure in September
Sweeneys Crossroads, 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
Sweeneys Crossroads, PA
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Sweeneys Crossroads, PA
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Sweeneys Crossroads, PA
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in September
Sweeneys Crossroads, PA
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).
Average snowfall in September
Sweeneys Crossroads, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sweeneys Crossroads, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Sweeneys Crossroads, 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 42min
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
Sweeneys Crossroads, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in September
Sweeneys Crossroads, PA
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Sweeneys Crossroads, PA
- Average cloud cover in September: 37
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
Sweeneys Crossroads, PA
- Average visibility in September: 5mi
The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).
