September weather forecastSouth Middletown, OH
September
Weather in September
September, the first month of the autumn in South Middletown, is still a warm month, with an average temperature ranging between max 76.3°F (24.6°C) and min 57.6°F (14.2°C).Temperature
South Middletown measures an average high-temperature of a still warm 76.3°F (24.6°C) in September, nearly consistent with the preceding month. In South Middletown, an average nighttime temperature of 57.6°F (14.2°C) is expected during September.Humidity
The average relative humidity in September is 76%.Rainfall
In South Middletown, in September, it is raining for 12.4 days, with typically 1.61" (41mm) of accumulated precipitation. In South Middletown, during the entire year, the rain falls for 148.1 days and collects up to 25.63" (651mm) of precipitation.Snowfall
May through October are months without snowfall in South Middletown.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of September, sunrise is at 7:33 am and sunset at 7:21 pm EDT.
Sunshine
In South Middletown, the average sunshine in September is 8.2h.UV index
In South Middletown, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 5 in September transforms into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
South Middletown, OH
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
South Middletown, OH
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
South Middletown, OH
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
South Middletown, OH
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in September
South Middletown, OH
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is October (1.57").
Average rainfall days in September
South Middletown, OH
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
South Middletown, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
South Middletown, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Middletown, 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 months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
South Middletown, OH
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in September
South Middletown, OH
- Average UV index in September: 5
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 Middletown, OH
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
South Middletown, 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).





