September weather forecastToms Brook, VA
September
Weather in September
September, the first month of the autumn in Toms Brook, is still a warm month, with temperature in the range of an average high of 76.1°F (24.5°C) and an average low of 55.9°F (13.3°C).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's 82.9°F (28.3°C) to a still moderately hot 76.1°F (24.5°C). During the month of September, an average low-temperature of 55.9°F (13.3°C) is recorded.Humidity
In Toms Brook, the average relative humidity in September is 78%.Rainfall
In Toms Brook, in September, during 11.6 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, there are 131.9 rainfall days, and 11.81" (300mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Toms Brook is 12h and 26min.On the first day of September, sunrise is at 6:43 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:57 pm EDT.
Sunshine
The average sunshine in September in Toms Brook is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Toms Brook, VA
- Average high temperature in September: 76.1°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 (38.5°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Toms Brook, VA
- 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 (29.95"Hg).
Average wind speed in September
Toms Brook, VA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are February and March (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Toms Brook, VA
- Average humidity in September: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in September
Toms Brook, VA
- Average rainfall in September: 0.94"
The wettest months (with the highest rainfall) are July and August (1.5").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in September
Toms Brook, VA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Toms Brook, VA
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Toms Brook, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Toms Brook, VA
- 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Toms Brook, VA
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in September
Toms Brook, VA
- 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, November and December (UV index 2).
Average cloud cover in September
Toms Brook, VA
- Average cloud cover in September: 40
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Toms Brook, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, April, June, July and November (6mi).
The months with the lowest visibility are March, May, August, September, October and December (5mi).





