September weather forecastMound Valley, KS
September
Weather in September
September, the first month of the autumn in Mound Valley, is also a moderately hot month, with an average temperature ranging between min 61.5°F (16.4°C) and max 80.2°F (26.8°C).Temperature
With the onset of September, Mound Valley's average high-temperature slightly adjusts, moderately receding from August's hot 87.1°F (30.6°C) to a moderately hot 80.2°F (26.8°C). During September, Mound Valley's temperature falls to a steady low-temperature average of 61.5°F (16.4°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Mound Valley, in September, it is raining for 10.8 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 114.4 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
In Mound Valley, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:52 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:05 pm CDT.
Sunshine
In September, the average sunshine is 8.9h.UV index
In Mound Valley, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mound Valley, KS
- Average high temperature in September: 80.2°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 (42.6°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Mound Valley, KS
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Mound Valley, KS
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is March (11.2mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Mound Valley, KS
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Mound Valley, KS
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (0.51").
Average rainfall days in September
Mound Valley, KS
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4.6 days).
Average snowfall in September
Mound Valley, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Mound Valley, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Mound Valley, KS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in September
Mound Valley, KS
- Average sunshine days in September: 17.2 days
The months with the most sunshine days are January and December (23.1 days).
The month with the least sunshine days is May (14.6 days).
Average UV index in September
Mound Valley, 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 and December (UV index 2).
Average cloud cover in September
Mound Valley, KS
- Average cloud cover in September: 28
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are June, July and August (Cloud cover 24).
Average visibility in September
Mound Valley, 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).
