September weather forecast
McGrath, MN

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Weather in September

The first month of the autumn, September, is still a pleasant month in McGrath, Minnesota, with an average temperature fluctuating between 49.5°F (9.7°C) and 68.7°F (20.4°C).

Temperature

The onset of September results in a small decrease in the average high-temperature, moderately receding from a moderately hot 76.8°F (24.9°C) in August to a pleasant 68.7°F (20.4°C). September nights in McGrath are marked by an average temperature drop to a frosty 49.5°F (9.7°C).

Humidity

In September, the average relative humidity in McGrath is 75%.

Rainfall

In McGrath, Minnesota, in September, during 10.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, in McGrath, there are 109.6 rainfall days, and 15.83" (402mm) of precipitation is accumulated.

Snowfall

In McGrath, Minnesota, snow does not fall in June through September.

Daylight

In McGrath, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:54 pm CDT.

Sunshine

In McGrath, Minnesota, the average sunshine in September is 8.6h.

UV index

The average daily maximum UV index in September in McGrath is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 4 in September translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in McGrath?

An average high-temperature, in September, in McGrath, is 68.7°F (20.4°C) and the average low-temperature is 49.5°F (9.7°C).

What is the average humidity in September in McGrath?

In September, the average relative humidity in McGrath is 75%.

How many days does it rain in September in McGrath?

In McGrath, Minnesota, in September, during 10.2 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

When it does not snow in McGrath?

June through September are months without snowfall in McGrath, Minnesota.

Does it snow in McGrath in September?

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

How many hours of daylight does McGrath have in September?

In McGrath, Minnesota, the average day length in September is 12h and 32min.

What time are sunrise and sunset in September in McGrath?

In September, on the first day of the month, sunrise is at 6:34 am and sunset at 7:51 pm. On the last day of the month, in McGrath, Minnesota, sunrise is at 7:11 am and sunset at 6:54 pm CDT.

How many hours of sunshine does McGrath have in September?

In McGrath, the average sunshine duration in September is 8.6h.

What is the UV index reading in September in McGrath?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
McGrath, MN

Average temperature in September - McGrath, MN
  • Average high temperature in September: 68.7°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (17.4°F).

  • Average low temperature in September: 49.5°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).

Average pressure in September
McGrath, MN

Average pressure in September - McGrath, MN
  • Average pressure in September: 29.99"Hg

The month with the highest atmospheric pressure is February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
McGrath, MN

Average wind speed in September - McGrath, MN
  • Average wind speed in September: 7.8mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in September
McGrath, MN

Average humidity in September - McGrath, MN
  • Average humidity in September: 75%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
McGrath, MN

Average rainfall in September - McGrath, MN
  • Average rainfall in September: 1.26"

The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in September
McGrath, MN

Average rainfall days in September - McGrath, MN
  • Average rainfall days in September: 10.2 days

The month with the highest number of rainy days is June (15.2 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in September
McGrath, MN

Average snowfall in September - McGrath, MN
  • Average snowfall in September: 0"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
McGrath, MN

Average snowfall days in September - McGrath, MN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
McGrath, MN

Average daylight in September / Average sunshine in September - McGrath, MN
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in September
McGrath, MN

Average sunshine days in September - McGrath, MN
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (11 days).

Average UV index in September
McGrath, MN

Average UV index in September - McGrath, 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
McGrath, MN

Average cloud cover in September - McGrath, MN
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
McGrath, MN

Average visibility in September - McGrath, MN
  • Average visibility in September: 6mi

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

McGrath, Minnesota, USA

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