September weather forecastCoolville, OH
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Coolville, Ohio, with an average temperature ranging between min 56.7°F (13.7°C) and max 77.9°F (25.5°C).Temperature
The advent of September brings a slight shift in average high-temperature, moving from a warm 84.2°F (29°C) in August to a still moderately hot 77.9°F (25.5°C). In the month of September, Coolville records a consistent average low-temperature of 56.7°F (13.7°C).Humidity
In Coolville, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:57 pm. On the last day of September, in Coolville, sunrise is at 7:22 am and sunset at 7:10 pm EDT.
Sunshine
The average sunshine in September in Coolville is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 4 in September leads to these recommendations:
Adopt protective measures - It is advised to guard against sun damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Coolville, OH
- Average high temperature in September: 77.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Coolville, OH
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Coolville, OH
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in September
Coolville, OH
- Average humidity in September: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Coolville, OH
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Coolville, OH
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Coolville, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Coolville, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 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
Coolville, 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 30min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Coolville, OH
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in September
Coolville, 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
Coolville, OH
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Coolville, 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).
