September weather forecast
Charlevoix, MI

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Round Lake in Charlevoix, Michigan, with a view of its entry and exit rivers, and a scenic tree cover around it, the sea is outback
Round Lake in Charlevoix, Michigan, with a view of its entry and exit rivers, and a scenic tree cover around it, the sea is outback

Weather in September

As Charlevoix sails into September, signs of an approaching fall are imminent. Decreasing temperatures and daylight hours begin to prepare residents for the cooler season ahead. With up to 8.1hr of sunshine, balmy days are not yet a distant memory. This season-shift brings enhanced natural beauty, with rich autumnal colors flashing across the landscape. It's a time of year that's especially suited for leisurely strolls in the park or sightseeing tours around town.

Temperature

September's onset in Charlevoix brings a negligible change in high-temperatures, falling from a pleasant 70°F (21.1°C) in August to a refreshing 64.4°F (18°C). Charlevoix sees an average low-temperature of 55.2°F (12.9°C) during September.

Humidity

The average relative humidity in September is 78%.

Rainfall

In Charlevoix, in September, it is raining for 12.7 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Charlevoix, there are 133 rainfall days, and 23.23" (590mm) of precipitation is accumulated.

Snowfall

In Charlevoix, Michigan, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 31min.
On the first day of September in Charlevoix, sunrise is at 7:03 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:22 pm EDT.

Sunshine

The average sunshine in September in Charlevoix is 8.1h.

UV index

In September, the average daily maximum UV index in Charlevoix is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 3 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Charlevoix in September?

The average high-temperature, in September, in Charlevoix, is 64.4°F (18°C), while the average low-temperature is 55.2°F (12.9°C).

What is the average humidity in September in Charlevoix?

In Charlevoix, Michigan, the average relative humidity in September is 78%.

How many days does it rain in September in Charlevoix?

In Charlevoix, Michigan, in September, it is raining for 12.7 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow in Charlevoix?

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

Does it snow in Charlevoix in September?

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

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

In September, the average day length in Charlevoix, Michigan, is 12h and 31min.

When is the sunrise / sunset in September in Charlevoix?

In September, on the first day of the month, sunrise is at 7:03 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 7:22 pm EDT.

How long on average sun shines in September in Charlevoix?

The average sunshine duration in September in Charlevoix, Michigan, is 8.1h.

How high is the UV index in September in Charlevoix?

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Charlevoix, MI

Average temperature in September - Charlevoix, MI
  • Average high temperature in September: 64.4°F

The warmest month (with the highest average high temperature) is August (70°F).
The month with the lowest average high temperature is January (25.7°F).

  • Average low temperature in September: 55.2°F

The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is February (18.5°F).

Average pressure in September
Charlevoix, MI

Average pressure in September - Charlevoix, MI
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in September
Charlevoix, MI

Average wind speed in September - Charlevoix, MI
  • Average wind speed in September: 10.4mph

The windiest month (with the highest average wind speed) is December (13.8mph).
The calmest month (with the lowest average wind speed) is June (8.5mph).

Average humidity in September
Charlevoix, MI

Average humidity in September - Charlevoix, MI
  • Average humidity in September: 78%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is May (77%).

Average rainfall in September
Charlevoix, MI

Average rainfall in September - Charlevoix, MI
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is October (2.72").
The driest month (with the least rainfall) is February (1.34").

Average rainfall days in September
Charlevoix, MI

Average rainfall days in September - Charlevoix, MI
  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in September
Charlevoix, MI

Average snowfall in September - Charlevoix, MI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Charlevoix, MI

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

The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Charlevoix, MI
  • Average daylight in September: 12h and 3min

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

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 30min).

Average sunshine days in September
Charlevoix, MI

Average sunshine days in September - Charlevoix, MI
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is June (15.7 days).
The month with the least sunshine days is January (5.1 days).

Average UV index in September
Charlevoix, MI

Average UV index in September - Charlevoix, MI
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in September
Charlevoix, MI

Average cloud cover in September - Charlevoix, MI
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in September
Charlevoix, MI

Average visibility in September - Charlevoix, MI
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Charlevoix, Michigan, USA

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