Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's 81°F (27.2°C) to a still warm 74.7°F (23.7°C). September nights experience a consistent temperature drop to a cool 55°F (12.8°C).Humidity
In Clinton, the average relative humidity in September is 79%.Rainfall
The months with the least rainfall are February and September Rain falls for 10.4 days and accumulates 0.63" (16mm) of rain.Snowfall
In Clinton, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:54 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:09 pm EDT.
Sunshine
The average sunshine in September in Clinton is 8.3h.UV index
In Clinton, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Clinton?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Clinton have in September?
When is the sunrise / sunset in September in Clinton?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Clinton, OH
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (82.2°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
Clinton, 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
Clinton, OH
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in September
Clinton, OH
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Clinton, OH
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is July (1.3").
The driest months (with the least rainfall) are February and September (0.63").
Average rainfall days in September
Clinton, OH
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Clinton, OH
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Clinton, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clinton, OH
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Clinton, OH
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Clinton, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Clinton, OH
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Clinton, OH
- Average visibility in September: 5mi
The months with the highest visibility are April, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, September and December (5mi).
Clinton, Ohio, USA
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