September weather forecastLa Harpe, KS
September
Weather in September
September, the first month of the autumn in La Harpe, is also a moderately hot month, with an average temperature ranging between min 60.6°F (15.9°C) and max 78.6°F (25.9°C).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderately hot 85.6°F (29.8°C) in August to a still warm 78.6°F (25.9°C). Throughout September, La Harpe records an average temperature of 60.6°F (15.9°C) at night.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. Throughout the year, there are 131.5 rainfall days, and 28.54" (725mm) of precipitation is accumulated.Snowfall
In La Harpe, snow does not fall in April, June through September.Daylight
In La Harpe, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:51 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:05 pm CDT.
Sunshine
In September, the average sunshine in La Harpe is 9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in September translates into these instructions:
Exercise prevention - Warding off sunburn is urged. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Harpe, KS
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
La Harpe, 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 (29.89"Hg).
Average wind speed in September
La Harpe, KS
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are March and April (11.2mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
La Harpe, KS
- Average humidity in September: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are October and November (70%).
Average rainfall in September
La Harpe, KS
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (5.43").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
La Harpe, KS
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
La Harpe, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
La Harpe, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
La Harpe, KS
- 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
La Harpe, KS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (13.4 days).
Average UV index in September
La Harpe, KS
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
La Harpe, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in September
La Harpe, 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).





