September weather forecastOak Grove, MO
September
Weather in September
The first month of the autumn, September, is still a warm month in Oak Grove, Missouri, with an average temperature fluctuating between 78.3°F (25.7°C) and 59.5°F (15.3°C).Temperature
A subtle shift in Oak Grove's weather is observed as August turns into September, with the average high temperature reducing from 84.6°F (29.2°C) to a still warm 78.3°F (25.7°C). Oak Grove observes an average nighttime temperature of 59.5°F (15.3°C) during September.Humidity
In Oak Grove, the average relative humidity in September is 75%.Rainfall
In Oak Grove, in September, it is raining for 12.2 days, with typically 2.56" (65mm) of accumulated precipitation. In Oak Grove, during the entire year, the rain falls for 134.9 days and collects up to 28.46" (723mm) of precipitation.Snowfall
June through September are months without snowfall in Oak Grove, Missouri.Daylight
In Oak Grove, Missouri, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:00 pm CDT.
Sunshine
In Oak Grove, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Oak Grove is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oak Grove, MO
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Oak Grove, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Oak Grove, MO
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Oak Grove, MO
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Oak Grove, MO
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Oak Grove, MO
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Oak Grove, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Oak Grove, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oak Grove, MO
- 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: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Oak Grove, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Oak Grove, 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, November and December (UV index 2).
Average cloud cover in September
Oak Grove, MO
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Oak Grove, 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).
