September weather forecast
Chanhassen, MN

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Weather in September

September in Chanhassen heralds the arrival of autumn and brings a noticeable decline in temperature. There’s an allure to this time of year, with leaves vibrantly changing color. Autumn is in full swing with temperatures varying between high of 71.4°F (21.9°C) and a cooler low of 53.6°F (12°C). The cooler weather is ideal for apple picking, a popular activity during the season. September is a beautiful month to visit Chanhassen, with a myriad of colors displayed in trees and shrubs as the leaves change their hue.

Temperature

With the onset of September, the average high-temperature subtly recedes from August's moderately hot 78.4°F (25.8°C) to an agreeable 71.4°F (21.9°C). During September, Chanhassen witnesses a consistent average low-temperature of 53.6°F (12°C).

Humidity

The average relative humidity in September is 74%.

Rainfall

In September, the rain falls for 9.9 days. Throughout September, 0.98" (25mm) of precipitation is accumulated. Throughout the year, in Chanhassen, there are 103.9 rainfall days, and 12.4" (315mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:55 pm CDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 in September translates into these instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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 Chanhassen?

The average high-temperature, in September, in Chanhassen, is 71.4°F (21.9°C), while the average low-temperature is 53.6°F (12°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the average humidity in September in Chanhassen?

The average relative humidity in September in Chanhassen is 74%.

How much does it rain in Chanhassen in September?

In Chanhassen, in September, it is raining for 9.9 days, with typically 0.98" (25mm) of accumulated precipitation.

When it does not snow in Chanhassen?

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

Does it snow in Chanhassen in September?

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

How many hours of daylight does Chanhassen have in September?

The average day length in September in Chanhassen, Minnesota, is 12h and 31min.

What time are sunrise and sunset in September in Chanhassen?

On the first day of September, sunrise is at 6:37 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:55 pm CDT.

How many hours of sunshine does Chanhassen have in September?

In Chanhassen, Minnesota, the average sunshine duration in September is 8.7h.

What is the UV index intensity in September in Chanhassen?

In September, the average daily maximum UV index in Chanhassen is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Chanhassen, MN

Average temperature in September - Chanhassen, MN
  • Average high temperature in September: 71.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

Average pressure in September
Chanhassen, MN

Average pressure in September - Chanhassen, MN
  • Average pressure in September: 30"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Chanhassen, MN

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

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in September
Chanhassen, MN

Average humidity in September - Chanhassen, MN
  • Average humidity in September: 74%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April, May and October (71%).

Average rainfall in September
Chanhassen, MN

Average rainfall in September - Chanhassen, MN
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is June (2.13").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in September
Chanhassen, MN

Average rainfall days in September - Chanhassen, MN
  • Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.5 days).

Average snowfall in September
Chanhassen, MN

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

The month with the highest snowfall is February (2.64").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Chanhassen, MN

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

The month with the highest number of snowfall days is January (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
Chanhassen, MN

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Chanhassen, MN

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

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is June (12.1 days).

Average UV index in September
Chanhassen, MN

Average UV index in September - Chanhassen, 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
Chanhassen, MN

Average cloud cover in September - Chanhassen, MN
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in September
Chanhassen, MN

Average visibility in September - Chanhassen, 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).

Chanhassen, Minnesota, USA

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