September weather forecastSummerfield, OH
September
Weather in September
September, the first month of the autumn in Summerfield, is still a warm month, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 56.3°F (13.5°C).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from 83.5°F (28.6°C) in August to a still moderately hot 77.2°F (25.1°C). During September, Summerfield's temperature averages to a refreshing 56.3°F (13.5°C) at night.Humidity
In September, the average relative humidity is 77%.Rainfall
In Summerfield, Ohio, in September, during 11.9 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Summerfield, during the entire year, the rain falls for 144.7 days and collects up to 17.44" (443mm) of precipitation.Snowfall
May through September are months without snowfall in Summerfield.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:56 pm. On the last day of September, in Summerfield, sunrise is at 7:21 am and sunset at 7:08 pm EDT.
Sunshine
In Summerfield, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Summerfield, OH
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in September
Summerfield, OH
- 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
Summerfield, OH
- Average wind speed in September: 4.9mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in September
Summerfield, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in September
Summerfield, OH
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
Summerfield, OH
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Summerfield, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Summerfield, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Summerfield, 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 18min
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 18min).
Average sunshine days in September
Summerfield, OH
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Summerfield, OH
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Summerfield, OH
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Summerfield, OH
- 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).





