September weather forecastDover, KS
September
Weather in September
September, the first month of the autumn in Dover, is also a moderately hot month, with an average temperature varying between 59.5°F (15.3°C) and 79°F (26.1°C).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 85.6°F (29.8°C) to a still moderately hot 79°F (26.1°C). An average low-temperature of 59.5°F (15.3°C) is noted during the nights in September.Humidity
The average relative humidity in September is 73%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. In Dover, during the entire year, the rain falls for 121.9 days and collects up to 22.95" (583mm) of precipitation.Snowfall
In Dover, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:53 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:07 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In Dover, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dover, KS
- Average high temperature in September: 79°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in September
Dover, KS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Dover, KS
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.5mph).
Average humidity in September
Dover, KS
- Average humidity in September: 73%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are October and November (67%).
Average rainfall in September
Dover, KS
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in September
Dover, KS
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Dover, KS
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dover, KS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dover, 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 30min).
- 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 30min).
Average sunshine days in September
Dover, KS
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (23.1 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Dover, 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
Dover, KS
- Average cloud cover in September: 27
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
Dover, 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).





