September weather forecastWest Summerville, GA
September
Weather in September
September, the first month of the autumn in West Summerville, is also a moderately hot month, with an average temperature varying between 61.7°F (16.5°C) and 81.9°F (27.7°C).Temperature
A mild shift in the average high-temperature occurs in September, reducing from a tropical 87.4°F (30.8°C) in August to a moderately hot 81.9°F (27.7°C). September sees the temperature falling to a mean low of 61.7°F (16.5°C).Heat index
The heat index in September is appraised at a hot 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', offers an insight into how hot it feels when we factor in moisture content. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
The average relative humidity in September in West Summerville is 76%.Rainfall
In West Summerville, Georgia, in September, it is raining for 12.5 days, with typically 1.22" (31mm) of accumulated precipitation. In West Summerville, Georgia, during the entire year, the rain falls for 157 days and collects up to 20" (508mm) of precipitation.Snowfall
April through October are months without snowfall in West Summerville.Daylight
In September, the average length of the day in West Summerville is 12h and 23min.On the first day of September, sunrise is at 7:15 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine in West Summerville is 8.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
West Summerville, GA
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in September: 61.7°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 (32.4°F).
Average pressure in September
West Summerville, GA
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
West Summerville, GA
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
West Summerville, GA
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
West Summerville, GA
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is October (1.06").
Average rainfall days in September
West Summerville, GA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
West Summerville, GA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
West Summerville, GA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
West Summerville, GA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
West Summerville, GA
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
West Summerville, GA
- 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 and December (UV index 2).
Average cloud cover in September
West Summerville, GA
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
West Summerville, GA
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).
