September weather forecastCassoday, KS
September
Weather in September
September, the first month of the autumn in Cassoday, is still a warm month, with an average temperature varying between 80.2°F (26.8°C) and 61.5°F (16.4°C).Temperature
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 87.6°F (30.9°C) in August to a warm 80.2°F (26.8°C). During September nights, Cassoday witnesses a consistent average temperature of 61.5°F (16.4°C).Humidity
In Cassoday, the average relative humidity in September is 70%.Rainfall
In Cassoday, in September, during 12.2 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Cassoday, during the entire year, the rain falls for 125.5 days and collects up to 25.79" (655mm) of precipitation.Snowfall
In Cassoday, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:55 pm. On the last day of September, in Cassoday, sunrise is at 7:22 am and sunset at 7:10 pm CDT.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Cassoday, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cassoday, KS
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in September: 61.5°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Cassoday, KS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Cassoday, KS
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Cassoday, KS
- Average humidity in September: 70%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (64%).
Average rainfall in September
Cassoday, KS
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is May (4.72").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in September
Cassoday, KS
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Cassoday, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cassoday, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cassoday, 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: 8h and 48min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Cassoday, KS
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Cassoday, KS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Cassoday, KS
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are June and August (Cloud cover 22).
Average visibility in September
Cassoday, 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).
