September weather forecastEffingham, KS
September
Weather in September
September, the first month of the autumn in Effingham, is also a moderately hot month, with temperature in the range of an average low of 59°F (15°C) and an average high of 78.3°F (25.7°C).Temperature
Effingham's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 84.4°F (29.1°C) in August to a still moderately hot 78.3°F (25.7°C). Effingham's September nights cool down to an average low-temperature of 59°F (15°C).Humidity
In Effingham, the average relative humidity in September is 75%.Rainfall
In Effingham, in September, during 12.1 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Effingham, during the entire year, the rain falls for 125.3 days and collects up to 23.94" (608mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:50 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:05 pm CDT.
Sunshine
In Effingham, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Effingham, KS
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Effingham, KS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Effingham, KS
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Effingham, KS
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are October and November (69%).
Average rainfall in September
Effingham, KS
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Effingham, KS
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Effingham, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Effingham, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Effingham, KS
- 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 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Effingham, KS
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (12.6 days).
Average UV index in September
Effingham, KS
- 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
Effingham, KS
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in September
Effingham, 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).
