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
A moderate decline in average high-temperatures is noted in September, moving from a moderately hot 85.8°F (29.9°C) in August to a still warm 80.1°F (26.7°C). The average temperature during September nights in Russellville, Kentucky, is registered at an enjoyable 61.3°F (16.3°C).Humidity
In September, the average relative humidity in Russellville is 75%.Rainfall
The month with the least rainfall in Russellville is September, when the rain falls for 11 days and typically collects 0.83" (21mm) of precipitation.Snowfall
In Russellville, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:19 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 6:31 pm CDT.
Sunshine
In Russellville, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Frequently asked questions
What is the average September temperature in Russellville?
What is the average humidity in September in Russellville?
What is the driest month in Russellville?
How many days does it rain in September in Russellville?
When it does not snow in Russellville?
What is the average length of the day in September in Russellville?
When is the sunrise / sunset in September in Russellville?
How long on average sun shines in September in Russellville?
What is the UV index intensity in September in Russellville?
Average temperature in September
Russellville, KY
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in September: 61.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in September
Russellville, KY
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Russellville, KY
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Russellville, KY
- Average humidity in September: 75%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Russellville, KY
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is July (2.05").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in September
Russellville, KY
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Russellville, KY
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in September
Russellville, KY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Russellville, KY
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in September
Russellville, KY
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Russellville, KY
- Average UV index in September: 5
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 and December (UV index 2).
Average cloud cover in September
Russellville, KY
- Average cloud cover in September: 31
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Russellville, KY
- 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).
Russellville, Kentucky, USA
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