September weather forecastOak Ridge, MO
September
Weather in September
September, the first month of the autumn in Oak Ridge, is still a warm month, with an average temperature varying between 80.4°F (26.9°C) and 60.8°F (16°C).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a hot 86.5°F (30.3°C) in August to a warm 80.4°F (26.9°C). The average temperature during September nights dips to a refreshing 60.8°F (16°C).Humidity
In Oak Ridge, the average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 11.7 days and accumulates 1.61" (41mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:29 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm CDT.
Sunshine
In Oak Ridge, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oak Ridge, MO
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 60.8°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Oak Ridge, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Oak Ridge, MO
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Oak Ridge, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Oak Ridge, MO
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Oak Ridge, MO
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Oak Ridge, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Oak Ridge, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 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
Oak Ridge, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Oak Ridge, MO
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Oak Ridge, MO
- 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
Oak Ridge, MO
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in September
Oak Ridge, MO
- 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).





