September weather forecastPetersburg, WV
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Petersburg, West Virginia, with an average temperature ranging between min 52.5°F (11.4°C) and max 74.1°F (23.4°C).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's 81.1°F (27.3°C) to a still warm 74.1°F (23.4°C). Petersburg's temperature tends to fall to an average low of 52.5°F (11.4°C) during the nights of September.Humidity
February, September, October and December, with an average relative humidity of 79%, are the most humid months in Petersburg.Rainfall
In Petersburg, West Virginia, in September, it is raining for 14.5 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Petersburg, there are 176.4 rainfall days, and 25.24" (641mm) of precipitation is accumulated.Snowfall
In Petersburg, snow does not fall in June through September.Daylight
In Petersburg, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:46 pm. On the last day of September, in Petersburg, sunrise is at 7:12 am and sunset at 7:00 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Petersburg, WV
- Average high temperature in September: 74.1°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 (36.3°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Petersburg, WV
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Petersburg, WV
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Petersburg, WV
- Average humidity in September: 79%
The months with the highest relative humidity are February, September, October and December (79%).
The months with the lowest relative humidity are April, June and July (75%).
Average rainfall in September
Petersburg, WV
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in September
Petersburg, WV
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in September
Petersburg, WV
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Petersburg, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Petersburg, WV
- Average daylight in September: 12h and 24min
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 36min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Petersburg, WV
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in September
Petersburg, WV
- Average UV index in September: 4
The month with the highest UV index is June (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
Petersburg, WV
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Petersburg, WV
- Average visibility in September: 4mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is September (4mi).
