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 beginning of September brings a slight decrease in the average high-temperature, transitioning from 82.4°F (28°C) in August to a still moderately hot 75.9°F (24.4°C). Compared to daytime temperatures, Clifton Forge's temperature drops significantly, averaging a fresh 53.6°F (12°C) during the nights of September.Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 79%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.22" (31mm) of precipitation.Snowfall
In Clifton Forge, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:14 am and sunset at 7:03 pm EDT.
Sunshine
In Clifton Forge, the average sunshine in September is 8.5h.UV index
In Clifton Forge, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in Clifton Forge?
What is the most humid month in Clifton Forge?
What is the average humidity in September in Clifton Forge?
What is the driest month in Clifton Forge?
How much does it rain in Clifton Forge in September?
When it does not snow in Clifton Forge?
Does it snow in Clifton Forge in September?
How many hours of daylight does Clifton Forge have in September?
When is the sunrise / sunset in September in Clifton Forge?
How many hours of sunshine does Clifton Forge have in September?
How high is the UV index in September in Clifton Forge?
Average temperature in September
Clifton Forge, VA
- Average high temperature in September: 75.9°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
Clifton Forge, 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 (29.97"Hg).
Average wind speed in September
Clifton Forge, VA
- Average wind speed in September: 4.1mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in September
Clifton Forge, VA
- Average humidity in September: 79%
The months with the highest relative humidity are May, September and December (79%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Clifton Forge, VA
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in September
Clifton Forge, VA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in September
Clifton Forge, 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 and September (0").
Average snowfall days in September
Clifton Forge, 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 and September (0 days).
Average daylight in September /
Average sunshine in September
Clifton Forge, 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 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Clifton Forge, VA
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Clifton Forge, VA
- Average UV index in September: 4
The months with the highest UV index are June 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
Clifton Forge, VA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and July (Cloud cover 33).
Average visibility in September
Clifton Forge, VA
- Average visibility in September: 4mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are May and September (4mi).
Clifton Forge, Virginia, USA
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