September weather forecastKoeltztown, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Koeltztown, Missouri, with an average temperature varying between 80.1°F (26.7°C) and 59°F (15°C).Temperature
As August makes way for September, Koeltztown's average high-temperature eases from a tropical 87.4°F (30.8°C) to a warm 80.1°F (26.7°C). Throughout September, Koeltztown's nights cool down to an average of 59°F (15°C).Humidity
In September, the average relative humidity is 73%.Rainfall
In Koeltztown, in September, it is raining for 7.3 days, with typically 0.63" (16mm) of accumulated precipitation. Throughout the year, in Koeltztown, there are 93.9 rainfall days, and 9.41" (239mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Koeltztown, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:38 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:52 pm CDT.
Sunshine
The average sunshine in September is 9.4h.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 exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koeltztown, MO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Koeltztown, MO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Koeltztown, MO
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Koeltztown, MO
- Average humidity in September: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Koeltztown, MO
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are January, February, November and December (0.51").
Average rainfall days in September
Koeltztown, MO
- Average rainfall days in September: 7.3 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Koeltztown, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Koeltztown, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Koeltztown, 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 30min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Koeltztown, MO
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).
Average UV index in September
Koeltztown, 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
Koeltztown, MO
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in September
Koeltztown, 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).





