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 modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 85.5°F (29.7°C) in August to a still warm 79°F (26.1°C). Nighttime temperatures in Southside, West Virginia, consistently average a mild 57.7°F (14.3°C) during September.Humidity
The average relative humidity in September is 76%.Rainfall
The month with the least rainfall in Southside is September, when the rain falls for 12.4 days and typically collects 1.77" (45mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Southside, West Virginia, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:23 am and sunset at 7:11 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Southside is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Southside in September?
What is the average humidity in September in Southside?
What is the driest month in Southside?
How many days does it rain in September in Southside?
When it does not snow in Southside?
Does it snow in Southside in September?
How many hours of daylight does Southside have in September?
When are sunrise and sunset in September in Southside?
How many hours of sunshine does Southside have in September?
How high is the UV index in September in Southside?
Average temperature in September
Southside, WV
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Southside, WV
- Average pressure in September: 30.05"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
Southside, WV
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Southside, WV
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Southside, WV
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Southside, WV
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in September
Southside, WV
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Southside, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Southside, WV
- 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 30min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Southside, WV
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (8.6 days).
Average UV index in September
Southside, WV
- Average UV index in September: 4
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
Southside, WV
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Southside, WV
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Southside, West Virginia, USA
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