September weather forecast
Karlstad, MN

Share

Weather in September

September, the first month of the autumn in Karlstad, is still a pleasant month, with an average temperature varying between 50.7°F (10.4°C) and 68.9°F (20.5°C).

Temperature

Karlstad's progression into September includes a drop in the average high-temperature, from a warm 79.3°F (26.3°C) in August to an agreeable 68.9°F (20.5°C). During September, the nighttime temperature averages to a fresh 50.7°F (10.4°C).

Humidity

In Karlstad, the average relative humidity in September is 64%.

Rainfall

In Karlstad, in September, it is raining for 10 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 100.4 rainfall days, and 15.91" (404mm) of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 6:44 am and sunset at 8:07 pm. On the last day of September, in Karlstad, sunrise is at 7:25 am and sunset at 7:06 pm CDT.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - It is suggested to shield oneself from sunburn. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In Karlstad, 68.9°F (20.5°C) is the average high-temperature and 50.7°F (10.4°C) is the average low-temperature during September.

What is the average humidity in September?

In September, the average relative humidity is 64%.

How much does it rain in September?

In September, the rain falls for 10 days. Throughout September, 1.81" (46mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in Karlstad in September?

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

How many hours of daylight does Karlstad have in September?

In Karlstad, the average day length in September is 12h and 34min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:44 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:06 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration in Karlstad is 8.5h.

How high is the UV index in September?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Karlstad, MN

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

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is January (13.6°F).

  • Average low temperature in September: 50.7°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (-0.8°F).

Average pressure in September
Karlstad, MN

Average pressure in September - Karlstad, MN
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Karlstad, MN

Average wind speed in September - Karlstad, MN
  • Average wind speed in September: 9.6mph

The windiest month (with the highest average wind speed) is October (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (8.1mph).

Average humidity in September
Karlstad, MN

Average humidity in September - Karlstad, MN
  • Average humidity in September: 64%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (61%).

Average rainfall in September
Karlstad, MN

Average rainfall in September - Karlstad, MN
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is February (0.47").

Average rainfall days in September
Karlstad, MN

Average rainfall days in September - Karlstad, MN
  • Average rainfall days in September: 10 days

The month with the highest number of rainy days is June (16.2 days).
The months with the least rainy days are February and December (1.9 days).

Average snowfall in September
Karlstad, MN

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

The month with the highest snowfall is December (4.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Karlstad, MN

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

The month with the highest number of snowfall days is December (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 16h and 6min).
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 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

Average sunshine days in September
Karlstad, MN

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

The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is June (10.2 days).

Average UV index in September
Karlstad, MN

Average UV index in September - Karlstad, 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
Karlstad, MN

Average cloud cover in September - Karlstad, MN
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in September
Karlstad, MN

Average visibility in September - Karlstad, 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).

Karlstad, Minnesota, USA

Weather forecast for your location

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