September weather forecastRuther Glen, VA
September
Weather in September
September, the first month of the autumn in Ruther Glen, is still a warm month, with an average temperature ranging between min 60.6°F (15.9°C) and max 80.2°F (26.8°C).Temperature
September brings a minor shift in the average high-temperature, adjusting from a tropical 87.3°F (30.7°C) in August to a warm 80.2°F (26.8°C). In September, Ruther Glen records an average nighttime temperature of 60.6°F (15.9°C).Humidity
In Ruther Glen, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 12.2 days and accumulates 1.93" (49mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Ruther Glen is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of September, in Ruther Glen, Virginia, sunrise is at 7:05 am and sunset at 6:53 pm EDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Ruther Glen is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ruther Glen, VA
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (43°F).
- Average low temperature in September: 60.6°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 (27.9°F).
Average pressure in September
Ruther Glen, 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
Ruther Glen, VA
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Ruther Glen, VA
- Average humidity in September: 75%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Ruther Glen, VA
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in September
Ruther Glen, VA
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Ruther Glen, VA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Ruther Glen, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is 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
Ruther Glen, 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 36min
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 6min).
Average sunshine days in September
Ruther Glen, VA
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Ruther Glen, 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
Ruther Glen, VA
- Average cloud cover in September: 40
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Ruther Glen, VA
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, May, September and December (5mi).
