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
With the arrival of September, Russellville notices a mild change in the average high-temperature, sliding from August's 82.9°F (28.3°C) to a still warm 77.2°F (25.1°C). The temperature in Russellville, Ohio, lowers to an average of 58.1°F (14.5°C) during September nights.Humidity
The months with the lowest humidity are August through November, with an average relative humidity of 76%.Rainfall
September is the month with the least rainfall in Russellville. Rain falls for 12.4 days and accumulates 1.42" (36mm) of precipitation.Snowfall
In Russellville, snow does not fall in May through September.Daylight
In September, the average length of the day in Russellville is 12h and 26min.On the first day of September in Russellville, sunrise is at 7:04 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.
Sunshine
In Russellville, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Russellville is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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
What is the average September temperature in Russellville?
What are the least humid months in Russellville?
What is the average humidity in September in Russellville?
What is the driest month in Russellville?
How much does it rain in Russellville in September?
When it does not snow in Russellville?
Does it snow in Russellville in September?
What is the average length of the day in September in Russellville?
What time are sunrise and sunset in September in Russellville?
How many hours of sunshine does Russellville have in September?
What is the UV index intensity in September in Russellville?
Average temperature in September
Russellville, OH
- Average high temperature in September: 77.2°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.3°F).
- Average low temperature in September: 58.1°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 (24.1°F).
Average pressure in September
Russellville, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Russellville, OH
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Russellville, OH
- Average humidity in September: 76%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August, September, October and November (76%).
Average rainfall in September
Russellville, OH
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
Russellville, OH
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.2 days).
The months with the least rainy days are January and November (9 days).
Average snowfall in September
Russellville, OH
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Russellville, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 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
Russellville, OH
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 1min
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 54min).
Average sunshine days in September
Russellville, OH
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Russellville, OH
- Average UV index in September: 4
The months with the highest UV index are May, 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
Russellville, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Russellville, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Russellville, Ohio, USA
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