September weather forecastButler, MO
September
Weather in September
September, the first month of the autumn in Butler, is also a moderately hot month, with an average temperature fluctuating between 60.1°F (15.6°C) and 78.8°F (26°C).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 85.3°F (29.6°C) in August to a still moderately hot 78.8°F (26°C). An average temperature of 60.1°F (15.6°C) is recorded during the nights in September.Humidity
In Butler, the average relative humidity in September is 76%.Rainfall
In September, in Butler, the rain falls for 12 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Butler, during the entire year, the rain falls for 131.6 days and collects up to 22.2" (564mm) of precipitation.Snowfall
In Butler, snow does not fall in April, June through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:47 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:01 pm CDT.
Sunshine
In Butler, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 5 translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Butler, MO
- Average high temperature in September: 78.8°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 (39.4°F).
- Average low temperature in September: 60.1°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 (24.8°F).
Average pressure in September
Butler, 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 (29.91"Hg).
Average wind speed in September
Butler, MO
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Butler, MO
- Average humidity in September: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Butler, MO
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Butler, MO
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Butler, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
Butler, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are April, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Butler, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Butler, MO
- Average sunshine days in September: 15.7 days
The months with the most sunshine days are January and December (22.8 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Butler, 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
Butler, MO
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Butler, 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).
