September weather forecastCompass, PA
September
Weather in September
September, the first month of the autumn in Compass, is also a moderately hot month, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 74.8°F (23.8°C).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 81.1°F (27.3°C) to a still moderately hot 74.8°F (23.8°C). An average low-temperature of 57.4°F (14.1°C) marks the month of September.Humidity
In September, the average relative humidity in Compass is 80%.Rainfall
In Compass, during September, the rain falls for 11.5 days and regularly aggregates up to 1.38" (35mm) of precipitation. Throughout the year, in Compass, there are 138.3 rainfall days, and 19.76" (502mm) of precipitation is accumulated.Snowfall
In Compass, snow does not fall in June through September.Daylight
In Compass, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm EDT.
Sunshine
The average sunshine in September in Compass is 8.6h.UV index
In Compass, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Compass, PA
- Average high temperature in September: 74.8°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 (35.6°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Compass, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Compass, PA
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January, February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Compass, PA
- Average humidity in September: 80%
The months with the highest relative humidity are May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Compass, PA
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in September
Compass, PA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Compass, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Compass, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Compass, 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 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Compass, PA
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Compass, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Compass, PA
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Compass, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
