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
As September arrives, Montrose's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 78.3°F (25.7°C) to a pleasant 70.9°F (21.6°C). Montrose experiences an average nighttime temperature of 52.5°F (11.4°C) in the month of September.Humidity
The average relative humidity in September in Montrose is 75%.Rainfall
In Montrose, during September, the rain falls for 10.7 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Montrose, there are 117.4 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
In Montrose, snow does not fall in June through September.Daylight
In Montrose, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:52 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:57 pm CDT.
Sunshine
In Montrose, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Montrose is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the temperature in September in Montrose?
What is the average humidity in September in Montrose?
How much does it rain in Montrose in September?
When it does not snow in Montrose?
Does it snow in Montrose in September?
How many hours of daylight does Montrose have in September?
When is the sunrise / sunset in September in Montrose?
How long on average sun shines in September in Montrose?
How high is the UV index in September in Montrose?
Average temperature in September
Montrose, MN
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 52.5°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 (6.6°F).
Average pressure in September
Montrose, MN
- Average pressure in September: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Montrose, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in September
Montrose, 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
Montrose, MN
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in September
Montrose, MN
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (16.8 days).
The months with the least rainy days are January and February (2.3 days).
Average snowfall in September
Montrose, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Montrose, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Montrose, 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 24min).
Average sunshine days in September
Montrose, MN
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Montrose, 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
Montrose, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Montrose, 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).
Montrose, Minnesota, USA
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