September weather forecast and climate
Frankenmuth, MI

Weather in September

September, the first month of the autumn, in Frankenmuth, is still a pleasant month, with average temperature fluctuating between 52.9°F (11.6°C) and 70.9°F (21.6°C).

Temperature

In Frankenmuth, the average high-temperature slightly decreases, from a warm 76.8°F (24.9°C) in August, to a pleasant 70.9°F (21.6°C). The average low-temperature, in September, is 52.9°F (11.6°C).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Frankenmuth, it is raining for 9.5 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Frankenmuth, Michigan, there are 119.2 rainfall days, and 11.65" (296mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Frankenmuth.

Daylight

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

Sunshine

The average sunshine in September is 8h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Frankenmuth?

In Frankenmuth, in September, the average high-temperature is 70.9°F (21.6°C), and the average low-temperature is 52.9°F (11.6°C).

What is the average humidity in September in Frankenmuth?

In September, the average relative humidity is 79%.

How many days does it rain in September in Frankenmuth?

In Frankenmuth, Michigan, in September, during 9.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

Does it snow in Frankenmuth in September?

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

When it does not snow in Frankenmuth?

May through September are months without snowfall.

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

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

How many hours of sunshine does Frankenmuth have in September?

In Frankenmuth, Michigan, the average sunshine in September is 8h.

What is the UV index intensity in September in Frankenmuth?

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

Average temperature in September
Frankenmuth, MI

Average temperature in September - Frankenmuth, MI
  • Average high temperature in September: 70.9°F

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in September: 52.9°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

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Average pressure in September
Frankenmuth, MI

Average pressure in September - Frankenmuth, MI
  • Average pressure in September: 30.03"

The month with the highest atmospheric pressure is March (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Frankenmuth, MI

Average wind speed in September - Frankenmuth, MI
  • Average wind speed in September: 7.5mph

The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in September
Frankenmuth, MI

Average humidity in September - Frankenmuth, MI
  • Average humidity in September: 79%

Months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in September
Frankenmuth, MI

Average rainfall in September - Frankenmuth, MI
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days in September
Frankenmuth, MI

Average rainfall days in September - Frankenmuth, MI
  • Average rainfall days in September: 9.5 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in September
Frankenmuth, MI

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

The month with the highest snowfall is February (1.73").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Frankenmuth, MI

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

The month with the highest number of snowfall days is January (14.2 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
Frankenmuth, MI

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

The month with the longest days is June (Average daylight: 15.4h).
The month with the shortest days is December (Average daylight: 9h).

  • Average sunshine in September: 8h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 2.8h).

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Average sunshine days in September
Frankenmuth, MI

Average sunshine days in September - Frankenmuth, MI
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in September
Frankenmuth, MI

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

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

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Average cloud cover in September
Frankenmuth, MI

Average cloud cover in September - Frankenmuth, MI
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in September
Frankenmuth, MI

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

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

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