Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a warm 84.4°F (29.1°C) in August to a still moderately hot 77.9°F (25.5°C). Countsville, during the nights of September, experiences an average temperature drop to a refreshing 56.7°F (13.7°C).Humidity
In Countsville, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 2.05" (52mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Countsville, the average length of the day in September is 12h and 26min.On the first day of September in Countsville, sunrise is at 6:55 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September in Countsville is 8.5h.UV index
In Countsville, 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 rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the temperature in September in Countsville?
What is the average humidity in September in Countsville?
What is the driest month in Countsville?
How many days does it rain in September in Countsville?
When it does not snow in Countsville?
Does it snow in Countsville in September?
What is the average length of the day in September in Countsville?
When are sunrise and sunset in September in Countsville?
How long on average sun shines in September in Countsville?
What is the UV index reading in September in Countsville?
Average temperature in September
Countsville, WV
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Countsville, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Countsville, WV
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Countsville, WV
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are June and August (76%).
Average rainfall in September
Countsville, WV
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Countsville, WV
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (21.3 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in September
Countsville, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Countsville, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Countsville, WV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 3min
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 36min).
Average sunshine days in September
Countsville, WV
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (7.9 days).
Average UV index in September
Countsville, WV
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Countsville, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Countsville, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Countsville, West Virginia, USA
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