September weather forecastDover, MO
September
Weather in September
September, the first month of the autumn in Dover, is still a warm month, with an average temperature ranging between max 78.6°F (25.9°C) and min 59.2°F (15.1°C).Temperature
Dover greets September with an average high-temperature of a still warm 78.6°F (25.9°C), marking a slight deviation from the preceding month. Dover's nighttime temperature in September drops to an average of 59.2°F (15.1°C).Humidity
The average relative humidity in September in Dover is 75%.Rainfall
In September, the rain falls for 10.6 days. Throughout September, 1.61" (41mm) of precipitation is accumulated. In Dover, Missouri, during the entire year, the rain falls for 121.1 days and collects up to 17.32" (440mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of September in Dover, sunrise is at 6:44 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:58 pm CDT.
Sunshine
The average sunshine in September in Dover is 9.4h.UV index
In Dover, Missouri, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dover, MO
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in September
Dover, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Dover, MO
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Dover, MO
- Average humidity in September: 75%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Dover, MO
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Dover, MO
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (14.8 days).
The months with the least rainy days are January and December (5.2 days).
Average snowfall in September
Dover, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dover, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.9 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, MO
- 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Dover, MO
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is December (23.2 days).
The months with the least sunshine days are June and July (13.7 days).
Average UV index in September
Dover, MO
- Average UV index in September: 5
The months with the highest UV index are 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
Dover, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in September
Dover, MO
- 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).
