The weather in September in Minnesota

It's pleasantly warm in September in Minnesota with an average temperature of 21°C. Temperatures this month range from a low of 16°C to a high of 25°C. At night, you can expect temperatures between 7°C and 14°C.

Looking for great weather? September is a good time to be in Minnesota. The temperatures are nice, and there’s not too much rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Minnesota, United States. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 36°C in 2023, Minnesota reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 3°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 22°C.

Rainfall amount

In September, there is an average of 41 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the South.

Daily weather in September for Minnesota

Click on any day in September to get detailed info about the usual weather on that day in Minnesota. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Minnesota New York
Average temperature 21°C 27°C
Max. temperature 25°C 31°C
Min. temperature 7°C -5°C
Total precipitation 41 mm 57 mm
Rainy days 8 days 9 days

Start of September

The month of September starts in Minnesota with warm temps, averaging around 23°C during the day and nights around 12°C.

Mid September

By mid-September, daytime temps drop to around 22°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of September

By the end of September, the average daytime temperature in Minnesota is around 19°C, while nighttime temps are about 10°C. A shower might pop up, but overall, the weather will be dry and sunny.

Find affordable vacations to Minnesota

UV index

The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Minnesota for all months and discover the best travel time

The climate in Minnesota is based on weather data from . Other places, like New York City, Miami or Los Angeles, might have different weather. You can check out all destinations in Minnesota to get the full picture of the climate.

Temperature charts

These charts show the average temperatures in September in Minnesota, United States. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Minnesota

Temperature in September in Minnesota over the years

Precipitation charts

These charts show the average amount of precipitation in September in Minnesota, United States. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Minnesota

Total precipitation in September in Minnesota over the years

Daily UV index in September in Minnesota

This chart shows the average daily UV index in September in Minnesota, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Minnesota

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Average weather in Minnesota by month

Click on a month below to see detailed weather info for Minnesota. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.