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 move into September indicates a slight reduction in the average high-temperature, down from August's tropical 87.1°F (30.6°C) to a warm 80.4°F (26.9°C). During September, the average low-temperature in Evergreen is a refreshing 60.1°F (15.6°C).Humidity
In Evergreen, Virginia, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.61" (41mm) of precipitation.Snowfall
May through October are months without snowfall in Evergreen.Daylight
In Evergreen, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:43 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:59 pm EDT.
Sunshine
In Evergreen, the average sunshine in September is 8.7h.UV index
In Evergreen, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
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 are sunrise and sunset in September?
How many hours of sunshine does Evergreen have in September?
What is the UV index reading in September?
Average temperature in September
Evergreen, VA
- Average high temperature in September: 80.4°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 (43.5°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Evergreen, VA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Evergreen, VA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in September
Evergreen, VA
- Average humidity in September: 75%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).
Average rainfall in September
Evergreen, VA
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is February (2.6").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Evergreen, VA
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Evergreen, VA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Evergreen, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 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
Evergreen, 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 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Evergreen, VA
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (20 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Evergreen, 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
Evergreen, VA
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Evergreen, 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).
Evergreen, Virginia, USA
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