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 commencement of September, Belleville records a moderate temperature decline, with the average high easing from August's hot 86.7°F (30.4°C) to a warm 79°F (26.1°C). The average low-temperature of 59°F (15°C) is witnessed during September.Humidity
In September, the average relative humidity is 67%.Rainfall
In Belleville, in September, during 11.9 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 120.4 rainfall days, and 23.54" (598mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Belleville is 12h and 26min.On the first day of September, sunrise is at 6:59 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:13 pm CDT.
Sunshine
The average sunshine in September is 8.7h.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 unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Belleville in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Belleville have in September?
How high is the UV index in September?
Average temperature in September
Belleville, KS
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Belleville, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Belleville, KS
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in September
Belleville, KS
- Average humidity in September: 67%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is October (63%).
Average rainfall in September
Belleville, KS
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Belleville, KS
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Belleville, KS
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Belleville, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Belleville, KS
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in September
Belleville, KS
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Belleville, KS
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Belleville, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 24).
Average visibility in September
Belleville, KS
- 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).
Belleville, Kansas, USA
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