September weather forecastCoffey, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Coffey, Missouri, with an average temperature ranging between max 76.8°F (24.9°C) and min 57.4°F (14.1°C).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 82.4°F (28°C) to a still moderately hot 76.8°F (24.9°C). An average low-temperature of 57.4°F (14.1°C) is recorded during the nights in September.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, in Coffey, the rain falls for 11.3 days. Throughout September, 2.48" (63mm) of precipitation is accumulated. In Coffey, during the entire year, the rain falls for 129.2 days and collects up to 25.35" (644mm) of precipitation.Snowfall
June through September are months without snowfall in Coffey.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of September, in Coffey, sunrise is at 7:12 am and sunset at 6:59 pm CDT.
Sunshine
In Coffey, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Coffey is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Exercise caution. Those with pale skin may experience burns in less than half an hour. 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
Coffey, MO
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Coffey, 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 (29.88"Hg).
Average wind speed in September
Coffey, MO
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Coffey, MO
- Average humidity in September: 76%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Coffey, MO
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are January and February (0.91").
Average rainfall days in September
Coffey, MO
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Coffey, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Coffey, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Coffey, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
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 36min).
Average sunshine days in September
Coffey, MO
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Coffey, 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
Coffey, MO
- Average cloud cover in September: 29
The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Coffey, 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).





