September weather forecastErnestville, MO
September
Weather in September
September, the first month of the autumn in Ernestville, is also a moderately hot month, with an average temperature ranging between max 78.8°F (26°C) and min 59.2°F (15.1°C).Temperature
In Ernestville, the average high-temperature in September slightly decreases from 84.4°F (29.1°C) in August to a still warm 78.8°F (26°C). Throughout the month of September, Ernestville observes an average nighttime temperature of 59.2°F (15.1°C).Humidity
In September, the average relative humidity in Ernestville is 75%.Rainfall
In September, the rain falls for 10.8 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 126.4 rainfall days, and 20.08" (510mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Ernestville, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:44 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:58 pm CDT.
Sunshine
In Ernestville, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ernestville, MO
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Ernestville, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Ernestville, MO
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Ernestville, MO
- Average humidity in September: 75%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Ernestville, MO
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Ernestville, MO
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Ernestville, 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 and September (0").
Average snowfall days in September
Ernestville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ernestville, 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: 4h and 54min).
Average sunshine days in September
Ernestville, MO
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is December (22.6 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Ernestville, MO
- Average UV index in September: 5
The months with the highest UV index are 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
Ernestville, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in September
Ernestville, 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).
