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
A minor decrease in the average high-temperature is observed during September, shifting from a tropical 86.7°F (30.4°C) in August to a moderately hot 79.9°F (26.6°C). The mean low-temperature during September nights in Sparta, Virginia, is a comfortable 61°F (16.1°C).Humidity
In Sparta, Virginia, the average relative humidity in September is 76%.Rainfall
In Sparta, in September, it is raining for 12.4 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 161.6 rainfall days, and 32.05" (814mm) of precipitation is accumulated.Snowfall
In Sparta, 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 6:39 am and sunset at 7:37 pm. On the last day of September, in Sparta, Virginia, sunrise is at 7:04 am and sunset at 6:53 pm EDT.
Sunshine
In Sparta, Virginia, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Guard yourself - Avoiding sunburn is suggested. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sparta in September?
What is the average humidity in September in Sparta?
How many days does it rain in September in Sparta?
When it does not snow in Sparta?
What is the average length of the day in September in Sparta?
When is the sunrise / sunset in September in Sparta?
How many hours of sunshine does Sparta have in September?
What is the UV index reading in September in Sparta?
Average temperature in September
Sparta, 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 (42.6°F).
- Average low temperature in September: 61°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
Sparta, 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
Sparta, VA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Sparta, 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 (72%).
Average rainfall in September
Sparta, VA
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in September
Sparta, VA
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Sparta, VA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Sparta, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.5 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
Sparta, VA
- Average daylight in September: 12h and 2min
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 4min
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
Sparta, VA
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (19.5 days).
The months with the least sunshine days are May and August (11.3 days).
Average UV index in September
Sparta, 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
Sparta, 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
Sparta, 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).
Sparta, Virginia, USA
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