September weather forecast and climate
Falmouth, MI

Weather in September

The first month of the autumn, September, is still a pleasant month in Falmouth, Michigan, with average temperature ranging between min 50.7°F (10.4°C) and max 69.4°F (20.8°C).

Temperature

In Falmouth, the average high-temperature in September marginally drops, from a warm 76.5°F (24.7°C) in August, to an agreeable 69.4°F (20.8°C). In Falmouth, the average low-temperature is 50.7°F (10.4°C).

Humidity

The average relative humidity in Falmouth is 80%.

Rainfall

The month with the least rainfall is September when the rain falls for 12.6 days and typically collects 1.46" (37mm) of precipitation.

Snowfall

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

Daylight

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

Sunshine

In September, the average sunshine in Falmouth is 7.9h.

UV index

The average daily maximum UV index in Falmouth is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Falmouth?

The average high-temperature, in September, in Falmouth, is 69.4°F (20.8°C), while the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in September in Falmouth?

In Falmouth, Michigan, the average relative humidity in September is 80%.

How much does it rain in Falmouth in September?

In Falmouth, in September, during 12.6 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

What is the driest month in Falmouth?

September is the month with the least rainfall in Falmouth. Rain falls for 12.6 days and accumulates 1.46" (37mm) of precipitation.

Does it snow in Falmouth in September?

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

When it does not snow in Falmouth?

In Falmouth snow does not fall in June through September.

How many hours of daylight does Falmouth have in September?

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

How long on average sun shines in September in Falmouth?

The average sunshine in September is 7.9h.

What is the UV index intensity in September in Falmouth?

In Falmouth, Michigan, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in September
Falmouth, MI

Average temperature in September - Falmouth, MI
  • Average high temperature in September: 69.4°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.9°F).

  • Average low temperature in September: 50.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).

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Average pressure in September
Falmouth, MI

Average pressure in September - Falmouth, MI
  • Average pressure in September: 30.02"

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

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Average wind speed in September
Falmouth, MI

Average wind speed in September - Falmouth, MI
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in September
Falmouth, MI

Average humidity in September - Falmouth, MI
  • Average humidity in September: 80%

The month with the highest relative humidity is January (91%).
Months with the lowest relative humidity are April and May (75%).

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Average rainfall in September
Falmouth, MI

Average rainfall in September - Falmouth, MI
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.46").

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Average rainfall days in September
Falmouth, MI

Average rainfall days in September - Falmouth, MI
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (4.5 days).

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Average snowfall in September
Falmouth, MI

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

The month with the highest snowfall is January (10.67").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Falmouth, MI

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

The month with the highest number of snowfall days is January (24.4 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
Falmouth, MI

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

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 7.9h

The month with the most sunshine is July (Average sunshine: 9.9h).
The month with the least sunshine is January (Average sunshine: 1.7h).

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Average sunshine days in September
Falmouth, MI

Average sunshine days in September - Falmouth, MI
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (5.5 days).

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Average UV index in September
Falmouth, MI

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

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

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Average cloud cover in September
Falmouth, MI

Average cloud cover in September - Falmouth, MI
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in September
Falmouth, MI

Average visibility in September - Falmouth, MI
  • Average visibility in September: 5mi

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

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