September weather forecast
Grygla, MN

Share

Weather in September

The first month of the autumn, September, is also an agreeable month in Grygla, Minnesota, with an average temperature varying between 68.9°F (20.5°C) and 49.8°F (9.9°C).

Temperature

The transition into September indicates a reduction in the average high-temperature, down to a pleasant 68.9°F (20.5°C) from August's warm 78.4°F (25.8°C). In Grygla, the expected average low-temperature for September is a frosty 49.8°F (9.9°C).

Humidity

In September, the average relative humidity in Grygla is 67%.

Rainfall

In Grygla, in September, it is raining for 10.4 days, with typically 1.69" (43mm) of accumulated precipitation. Throughout the year, there are 104.3 rainfall days, and 18.39" (467mm) of precipitation is accumulated.

Snowfall

In Grygla, snow does not fall in June through September.

Daylight

The average length of the day in September in Grygla is 12h and 34min.
On the first day of September in Grygla, Minnesota, sunrise is at 6:41 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:02 pm CDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September in Grygla is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
[Resources]

Frequently asked questions

What are September temperatures in Grygla?

The average high-temperature and low-temperature during September are 68.9°F (20.5°C) and 49.8°F (9.9°C) respectively.

What is the average humidity in September in Grygla?

In September, the average relative humidity in Grygla is 67%.

How much does it rain in Grygla in September?

In September, in Grygla, the rain falls for 10.4 days. Throughout September, 1.69" (43mm) of precipitation is accumulated.

When it does not snow in Grygla?

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

Does it snow in Grygla in September?

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

What is the average length of the day in September in Grygla?

The average day length in September is 12h and 34min.

What time are sunrise and sunset in September in Grygla?

On the first day of September in Grygla, Minnesota, sunrise is at 6:41 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:02 pm CDT.

How long on average sun shines in September in Grygla?

The average sunshine duration in September in Grygla, Minnesota, is 8.5h.

What is the UV index reading in September in Grygla?

In Grygla, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Grygla, MN

Average temperature in September - Grygla, MN
  • Average high temperature in September: 68.9°F

The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (13.8°F).

  • Average low temperature in September: 49.8°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (0°F).

[Resources]

Average pressure in September
Grygla, MN

Average pressure in September - Grygla, MN
  • Average pressure in September: 29.96"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

[Resources]

Average wind speed in September
Grygla, MN

Average wind speed in September - Grygla, MN
  • Average wind speed in September: 9.4mph

The windiest month (with the highest average wind speed) is October (10.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

[Resources]

Average humidity in September
Grygla, MN

Average humidity in September - Grygla, MN
  • Average humidity in September: 67%

The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).

[Resources]

Average rainfall in September
Grygla, MN

Average rainfall in September - Grygla, MN
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is June (3.15").
The driest months (with the least rainfall) are January and February (0.63").

[Resources]

Average rainfall days in September
Grygla, MN

Average rainfall days in September - Grygla, MN
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).

[Resources]

Average snowfall in September
Grygla, MN

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

The month with the highest snowfall is December (5.24").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Grygla, MN

Average snowfall days in September - Grygla, MN
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (16.2 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Grygla, MN
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

[Resources]

Average sunshine days in September
Grygla, MN

Average sunshine days in September - Grygla, MN
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is June (11.3 days).

[Resources]

Average UV index in September
Grygla, MN

Average UV index in September - Grygla, 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).

[Resources]

Average cloud cover in September
Grygla, MN

Average cloud cover in September - Grygla, MN
  • Average cloud cover in September: 33

The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 27).

[Resources]

Average visibility in September
Grygla, MN

Average visibility in September - Grygla, 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, February and December (4mi).

[Resources]

Grygla, Minnesota, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location