September weather forecast
Montrose, MN

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Weather in September

September, the first month of the autumn in Montrose, is also an agreeable month, with an average temperature fluctuating between 52.5°F (11.4°C) and 70.9°F (21.6°C).

Temperature

In Montrose, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 78.3°F (25.7°C) to an agreeable 70.9°F (21.6°C). In September, Montrose records an average nighttime temperature of 52.5°F (11.4°C).

Humidity

The average relative humidity in September is 75%.

Rainfall

In September, in Montrose, the rain falls for 10.7 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. In Montrose, Minnesota, during the entire year, the rain falls for 117.4 days and collects up to 20.12" (511mm) of precipitation.

Snowfall

In Montrose, Minnesota, 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 September, sunrise is at 6:38 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:57 pm CDT.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In Montrose, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

What is the usual temperature for Montrose in September?

In September, the average high-temperature and low-temperature are 70.9°F (21.6°C) and 52.5°F (11.4°C) respectively.

What is the average humidity in September?

The average relative humidity in September is 75%.

How much does it rain in September?

In Montrose, in September, it is raining for 10.7 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In Montrose, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In Montrose, the average day length in September is 12h and 31min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:38 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:57 pm CDT.

How many hours of sunshine does Montrose have in September?

The average sunshine duration in September is 8.9h.

How high is the UV index in September in Montrose?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Montrose, MN

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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