September weather forecastGreen, OH
September
Weather in September
September, the first month of the autumn in Green, is also a moderately hot month, with an average temperature ranging between max 74.5°F (23.6°C) and min 55°F (12.8°C).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from 80.8°F (27.1°C) in August to a still moderately hot 74.5°F (23.6°C). Green records a mean low-temperature of 55°F (12.8°C) in September.Humidity
In Green, Ohio, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 14.4 days and accumulates 1.89" (48mm) of precipitation.Snowfall
June through September are months without snowfall in Green, Ohio.Daylight
In Green, Ohio, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:53 am and sunset at 7:57 pm. On the last day of September, in Green, sunrise is at 7:22 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Green, OH
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Green, OH
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Green, OH
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in September
Green, OH
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (76%).
Average rainfall in September
Green, OH
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Green, OH
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Green, OH
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Green, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Green, OH
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Green, OH
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Green, OH
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Green, OH
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Green, OH
- Average visibility in September: 5mi
The months with the highest visibility are April and August (6mi).
The months with the lowest visibility are January and February (4mi).





