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 shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 84.7°F (29.3°C) to a still moderately hot 78.1°F (25.6°C). During September, Redwood experiences an average low-temperature of 58.1°F (14.5°C) at night.Humidity
In Redwood, the average relative humidity in September is 76%.Rainfall
September is the month with the least rainfall. Rain falls for 13 days and accumulates 1.65" (42mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:50 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:03 pm EDT.
Sunshine
In Redwood, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Redwood?
Average temperature in September
Redwood, VA
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.4°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Redwood, VA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Redwood, VA
- Average wind speed in September: 4.6mph
The windiest months (with the highest average wind speed) are January, February and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Redwood, VA
- Average humidity in September: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is July (71%).
Average rainfall in September
Redwood, VA
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in September
Redwood, VA
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (8 days).
Average snowfall in September
Redwood, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Redwood, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.9 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
Redwood, VA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Redwood, VA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Redwood, 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
Redwood, VA
- Average cloud cover in September: 39
The months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Redwood, VA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Redwood, Virginia, USA
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