September weather forecast and climate
Carleton, MI

Weather in September

The first month of the autumn, September, is still a pleasant month in Carleton, Michigan, with average temperature ranging between max 72.5°F (22.5°C) and min 57.2°F (14°C).

Temperature

In September, the average high-temperature marginally drops, from a warm 78.3°F (25.7°C) in August, to an agreeable 72.5°F (22.5°C). In September, the average low-temperature is 57.2°F (14°C).

Humidity

The average relative humidity is 77%.

Rainfall

In Carleton, in September, during 13.1 rainfall days, 1.73" (44mm) of precipitation is typically accumulated. Throughout the year, in Carleton, there are 152 rainfall days, and 24.41" (620mm) of precipitation is accumulated.

Snowfall

In Carleton, Michigan, snow does not fall in June through October.

Daylight

The average length of the day in September is 12.5h.

Sunshine

In Carleton, Michigan, the average sunshine is 8.1h.

UV index

The average daily maximum UV index in Carleton is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Carleton?

In Carleton, Michigan, in September, the average high-temperature is 72.5°F (22.5°C), and the average low-temperature is 57.2°F (14°C).

What is the average humidity in September in Carleton?

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

How many days does it rain in September in Carleton?

In September, in Carleton, Michigan, the rain falls for 13.1 days. Throughout September, 1.73" (44mm) of precipitation is accumulated.

When it does not snow in Carleton?

June through October are months without snowfall.

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

In September, the average length of the day is 12.5h.

How many hours of sunshine does Carleton have in September?

In September, the average sunshine in Carleton, Michigan, is 8.1h.

How high is the UV index in September in Carleton?

In September, the average daily maximum UV index in Carleton, Michigan, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Carleton, MI

Average temperature in September - Carleton, MI
  • Average high temperature in September: 22.5°C

The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (-1.3°C).

  • Average low temperature in September: 14°C

The month with the highest average low temperature is July (17.9°C).
The coldest month (with the lowest average low temperature) is January (-7.1°C).

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Average pressure in September
Carleton, MI

Average pressure in September - Carleton, MI
  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is November (1019.3mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

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Average wind speed in September
Carleton, MI

Average wind speed in September - Carleton, MI
  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is January (16.8km/h).
The calmest month (with the lowest average wind speed) is July (10.7km/h).

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Average humidity in September
Carleton, MI

Average humidity in September - Carleton, MI
  • Average humidity in September: 77%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in September
Carleton, MI

Average rainfall in September - Carleton, MI
  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is May (75mm).
The driest month (with the least rainfall) is December (30mm).

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Average rainfall days in September
Carleton, MI

Average rainfall days in September - Carleton, MI
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.3 days).

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Average snowfall in September
Carleton, MI

Average snowfall in September - Carleton, MI
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (91mm).
Months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in September
Carleton, MI

Average snowfall days in September - Carleton, MI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Carleton, MI

Average daylight in September / Average sunshine in September - Carleton, MI
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in September: 8.1h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days in September
Carleton, MI

Average sunshine days in September - Carleton, MI
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is February (10.6 days).

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Average UV index in September
Carleton, MI

Average UV index in September - Carleton, MI
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Carleton, MI

Average cloud cover in September - Carleton, MI
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in September
Carleton, MI

Average visibility in September - Carleton, MI
  • Average visibility in September: 9km

Months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).

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