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
The onset of September entails a subtle temperature shift, as the average high-temperature eases from 84.9°F (29.4°C) in August to a still moderately hot 78.4°F (25.8°C). The average temperature during September nights is registered at a mild 57°F (13.9°C).Humidity
In September, the average relative humidity is 76%.Rainfall
September is the month with the least rainfall in Polk. Rain falls for 12.6 days and accumulates 1.89" (48mm) of precipitation.Snowfall
In Polk, snow does not fall in June through September.Daylight
In Polk, the average length of the day in September is 12h and 26min.On the first day of September in Polk, sunrise is at 6:56 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:10 pm EDT.
Sunshine
In Polk, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Polk in September?
What is the average humidity in September in Polk?
What is the driest month in Polk?
How many days does it rain in September in Polk?
When it does not snow in Polk?
Does it snow in Polk in September?
How many hours of daylight does Polk have in September?
When are sunrise and sunset in September in Polk?
How long on average sun shines in September in Polk?
What is the UV index intensity in September in Polk?
Average temperature in September
Polk, WV
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Polk, WV
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Polk, WV
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in September
Polk, WV
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Polk, WV
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Polk, WV
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Polk, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Polk, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Polk, WV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 2min
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 30min).
Average sunshine days in September
Polk, WV
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (17.5 days).
The months with the least sunshine days are February and May (9.5 days).
Average UV index in September
Polk, WV
- 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 and December (UV index 2).
Average cloud cover in September
Polk, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Polk, WV
- 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).
Polk, West Virginia, USA
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