September weather forecastHilltop, MN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Hilltop, Minnesota, with an average temperature fluctuating between 53.2°F (11.8°C) and 70.7°F (21.5°C).Temperature
A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 78.6°F (25.9°C) in August to a pleasant 70.7°F (21.5°C). Throughout the month of September, the nighttime temperature dips to an average of 53.2°F (11.8°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In September, the rain falls for 11.8 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 121.2 rainfall days, and 21.97" (558mm) of precipitation is accumulated.Snowfall
In Hilltop, snow does not fall in June through September.Daylight
In Hilltop, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:10 am and sunset at 6:54 pm CDT.
Sunshine
In September, the average sunshine in Hilltop is 8.8h.UV index
The average daily maximum UV index in September in Hilltop is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hilltop, MN
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (19.9°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Hilltop, MN
- Average pressure in September: 30"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
Hilltop, MN
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Hilltop, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in September
Hilltop, MN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Hilltop, MN
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in September
Hilltop, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hilltop, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hilltop, MN
- Average daylight in September: 12h and 30min
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 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Hilltop, MN
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Hilltop, 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
Hilltop, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Hilltop, 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).





