September weather forecastBlythedale, PA
September
Weather in September
The first month of the autumn, September, is still a warm month in Blythedale, Pennsylvania, with an average temperature ranging between max 75°F (23.9°C) and min 54.7°F (12.6°C).Temperature
During the shift to September, Blythedale records a mild decrease in average high-temperature, moving from a moderately hot 81.1°F (27.3°C) in August to a still warm 75°F (23.9°C). Blythedale's average low-temperature for the month of September records at a fresh 54.7°F (12.6°C).Humidity
In Blythedale, the average relative humidity in September is 78%.Rainfall
In Blythedale, during September, the rain falls for 13.7 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 174.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 27min.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, sunrise is at 7:15 am and sunset at 7:02 pm EDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index is 4. 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: A typical high UV index of 4 in September suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blythedale, PA
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Blythedale, 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
Blythedale, PA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Blythedale, 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
Blythedale, PA
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in September
Blythedale, PA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in September
Blythedale, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Blythedale, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blythedale, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Blythedale, PA
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in September
Blythedale, 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
Blythedale, 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
Blythedale, 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).
