September weather forecast
Carlton, MN

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Weather in September

The first month of the autumn, September, is also an enjoyable month in Carlton, Minnesota, with an average temperature ranging between min 48.6°F (9.2°C) and max 67.8°F (19.9°C).

Temperature

The transition into September indicates a reduction in the average high-temperature, down to a refreshing 67.8°F (19.9°C) from August's warm 76.8°F (24.9°C). Carlton's temperature lowers to a mean of 48.6°F (9.2°C) during the nights in September.

Humidity

In Carlton, the average relative humidity in September is 77%.

Rainfall

In Carlton, in September, during 12.7 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 120.8 rainfall days, and 22.87" (581mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Carlton, the average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:50 pm CDT.

Sunshine

The average sunshine in September is 8h.

UV index

In Carlton, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

In Carlton, in September, the average high-temperature is 67.8°F (19.9°C), and the average low-temperature is 48.6°F (9.2°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

How much does it rain in September?

In Carlton, in September, during 12.7 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Carlton have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:30 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:50 pm CDT.

How long on average sun shines in September?

In Carlton, the average sunshine duration in September is 8h.

What is the UV index reading in September?

In September, the average daily maximum UV index 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
Carlton, MN

Average temperature in September - Carlton, MN
  • Average high temperature in September: 67.8°F

The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (16.2°F).

  • Average low temperature in September: 48.6°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (2.5°F).

Average pressure in September
Carlton, MN

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

The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Carlton, MN

Average wind speed in September - Carlton, MN
  • Average wind speed in September: 7.7mph

The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in September
Carlton, MN

Average humidity in September - Carlton, MN
  • Average humidity in September: 77%

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

Average rainfall in September
Carlton, MN

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

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (0.71").

Average rainfall days in September
Carlton, MN

Average rainfall days in September - Carlton, MN
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in September
Carlton, MN

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

The month with the highest snowfall is December (7.6").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Carlton, MN

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

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

Average sunshine days in September
Carlton, MN

Average sunshine days in September - Carlton, MN
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (11.4 days).

Average UV index in September
Carlton, MN

Average UV index in September - Carlton, 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, November and December (UV index 1).

Average cloud cover in September
Carlton, MN

Average cloud cover in September - Carlton, MN
  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in September
Carlton, MN

Average visibility in September - Carlton, MN
  • Average visibility in September: 5mi

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

Carlton, Minnesota, USA

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