Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September is characterized by a mild reduction in the average high-temperature, from a warm 78.1°F (25.6°C) in August to a pleasant 70.3°F (21.3°C). Dayton witnesses a consistent average low-temperature of 52.7°F (11.5°C) throughout September.Humidity
The average relative humidity in September in Dayton is 75%.Rainfall
In Dayton, in September, it is raining for 11.3 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 118.9 rainfall days, and 20.75" (527mm) of precipitation is accumulated.Snowfall
In Dayton, snow does not fall in June through September.Daylight
The average length of the day in September in Dayton is 12h and 31min.On the first day of September, sunrise is at 6:36 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:55 pm CDT.
Sunshine
In September, the average sunshine in Dayton is 8.8h.UV index
The average daily maximum UV index in September in Dayton, Minnesota, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 4 during September leads to these advisories:
Take necessary precautions - Suggestions to elude sunburn are provided. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in Dayton?
What is the average humidity in September in Dayton?
How many days does it rain in September in Dayton?
When it does not snow in Dayton?
Does it snow in Dayton in September?
How many hours of daylight does Dayton have in September?
What time are sunrise and sunset in September in Dayton?
How many hours of sunshine does Dayton have in September?
What is the UV index intensity in September in Dayton?
Average temperature in September
Dayton, MN
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (19.2°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (6.8°F).
Average pressure in September
Dayton, MN
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Dayton, MN
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Dayton, MN
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Dayton, MN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in September
Dayton, MN
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Dayton, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dayton, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dayton, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Dayton, MN
- Average sunshine days in September: 16.5 days
The months with the most sunshine days are January and October (18.4 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in September
Dayton, MN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Dayton, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Dayton, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Dayton, Minnesota, USA
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