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
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 77.7°F (25.4°C) in August to a pleasant 71.1°F (21.7°C). Randolph observes an average nighttime temperature of 52.2°F (11.2°C) during September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Randolph, in September, during 12.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Randolph, during the entire year, the rain falls for 128.1 days and collects up to 25.16" (639mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:53 pm CDT.
Sunshine
In Randolph, the average sunshine in September is 8.6h.UV index
In Randolph, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September in Randolph?
When it does not snow?
Does it snow in September?
How many hours of daylight does Randolph have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Randolph have in September?
How high is the UV index in September?
Average temperature in September
Randolph, MN
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.2°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Randolph, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Randolph, MN
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Randolph, MN
- Average humidity in September: 78%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Randolph, MN
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Randolph, MN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (17.6 days).
The months with the least rainy days are January and February (2.5 days).
Average snowfall in September
Randolph, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.93").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Randolph, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Randolph, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Randolph, MN
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Randolph, MN
- Average UV index in September: 4
The month with the highest UV index is 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
Randolph, MN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Randolph, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Randolph, Minnesota, USA
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