September weather forecastExcello, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Excello, Missouri, with an average temperature fluctuating between 77.4°F (25.2°C) and 57.7°F (14.3°C).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 83.1°F (28.4°C) in August to a still warm 77.4°F (25.2°C). Excello records a steady low-temperature average of 57.7°F (14.3°C) during September.Humidity
The average relative humidity in September is 75%.Rainfall
In Excello, in September, it is raining for 11.5 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 136.5 rainfall days, and 27.36" (695mm) of precipitation is accumulated.Snowfall
In Excello, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:53 pm CDT.
Sunshine
In Excello, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. To guard against the harmful effects of the Sun, minimize exposure during midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Excello, MO
- Average high temperature in September: 77.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Excello, 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 (29.9"Hg).
Average wind speed in September
Excello, MO
- Average wind speed in September: 7.3mph
The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in September
Excello, MO
- Average humidity in September: 75%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Excello, MO
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Excello, MO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Excello, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Excello, MO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Excello, 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 24min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
Excello, MO
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is December (19.9 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in September
Excello, 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
Excello, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Excello, 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).
