September weather forecastSpotsylvania Courthouse, VA
September
Weather in September
September, the first month of the autumn in Spotsylvania Courthouse, is also a moderately hot month, with an average temperature varying between 60.8°F (16°C) and 79.9°F (26.6°C).Temperature
The average high-temperature shows a slight dip in September, from August's tropical 86.7°F (30.4°C) to a warm 79.9°F (26.6°C). An average low-temperature of 60.8°F (16°C) is recorded in the month of September.Humidity
In September, the average relative humidity in Spotsylvania Courthouse is 76%.Rainfall
In Spotsylvania Courthouse, in September, it is raining for 13.2 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 153.8 rainfall days, and 26.73" (679mm) of precipitation is accumulated.Snowfall
In Spotsylvania Courthouse, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:54 pm EDT.
Sunshine
In Spotsylvania Courthouse, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Spotsylvania Courthouse, VA
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Spotsylvania Courthouse, VA
- Average pressure in September: 30.05"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
Spotsylvania Courthouse, VA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in September
Spotsylvania Courthouse, VA
- Average humidity in September: 76%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Spotsylvania Courthouse, VA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in September
Spotsylvania Courthouse, VA
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in September
Spotsylvania Courthouse, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Spotsylvania Courthouse, VA
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Spotsylvania Courthouse, VA
- Average daylight in September: 12h and 24min
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 36min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in September
Spotsylvania Courthouse, VA
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in September
Spotsylvania Courthouse, VA
- Average UV index in September: 5
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
Spotsylvania Courthouse, VA
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Spotsylvania Courthouse, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are February, May and September (5mi).
