September weather forecastSouth Charleston, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in South Charleston, Ohio, with an average temperature ranging between min 56.7°F (13.7°C) and max 74.5°F (23.6°C).Temperature
The arrival of September records an average high-temperature of a still warm 74.5°F (23.6°C), closely related to the 79.3°F (26.3°C) observed in August. Throughout the month of September, South Charleston sees a steady low-temperature average of 56.7°F (13.7°C).Humidity
The average relative humidity in September in South Charleston, Ohio, is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 12.1 days and accumulates 1.34" (34mm) of precipitation.Snowfall
In South Charleston, Ohio, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:05 pm. On the last day of September, in South Charleston, sunrise is at 7:30 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine in South Charleston is 8.2h.UV index
In South Charleston, Ohio, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
South Charleston, OH
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
South Charleston, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
South Charleston, OH
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
South Charleston, OH
- Average humidity in September: 78%
The months with the highest relative humidity are January, February and December (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
South Charleston, OH
- Average rainfall in September: 1.34"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.34").
Average rainfall days in September
South Charleston, OH
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
South Charleston, OH
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
South Charleston, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Charleston, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
South Charleston, OH
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in September
South Charleston, OH
- Average UV index in September: 4
The months with the highest UV index are June, July 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
South Charleston, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
South Charleston, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
