September weather forecast
Bay Shore, MI

Weather in September

The first month of the autumn, September, is still a comfortable month in Bay Shore, Michigan, with average temperature varying between 66.2°F (19°C) and 53.6°F (12°C).

Temperature

In September, the average high-temperature marginally drops, from an agreeable 72.5°F (22.5°C) in August, to a comfortable 66.2°F (19°C). The average low-temperature, in Bay Shore, is 53.6°F (12°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Bay Shore, Michigan,, it is raining for 13 days, with typically 2.2" (56mm) of accumulated precipitation. In Bay Shore, Michigan, during the entire year, the rain falls for 140.7 days and collects up to 27.6" (701mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

In Bay Shore, the average sunshine in September is 7.7h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 average humidity in September in Bay Shore?

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

How many days does it rain in September in Bay Shore?

In Bay Shore, during September, the rain falls for 13 days and regularly aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Bay Shore?

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

Does it snow in Bay Shore in September?

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

How many hours of daylight does Bay Shore have in September?

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

How many hours of sunshine does Bay Shore have in September?

In Bay Shore, the average sunshine in September is 7.7h.

What is the UV index reading in September in Bay Shore?

In Bay Shore, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Bay Shore, MI

Average temperature in September - Bay Shore, MI
  • Average high temperature in September: 66.2°F

The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is February (16.5°F).

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Average pressure in September
Bay Shore, MI

Average pressure in September - Bay Shore, MI
  • Average pressure in September: 30.01"

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
Bay Shore, MI

Average wind speed in September - Bay Shore, MI
  • Average wind speed in September: 8.8mph

The windiest month (with the highest average wind speed) is December (11.4mph).
The calmest months (with the lowest average wind speed) are June and July (7.5mph).

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Average humidity in September
Bay Shore, MI

Average humidity in September - Bay Shore, MI
  • Average humidity in September: 78%

Months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (74%).

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Average rainfall in September
Bay Shore, MI

Average rainfall in September - Bay Shore, MI
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is February (1.65").

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Average rainfall days in September
Bay Shore, MI

Average rainfall days in September - Bay Shore, MI
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is October (18.3 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall in September
Bay Shore, MI

Average snowfall in September - Bay Shore, MI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (9.45").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Bay Shore, MI

Average snowfall days in September - Bay Shore, MI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (22.8 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
Bay Shore, MI

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

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in September: 7.7h

The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 1.3h).

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Average sunshine days in September
Bay Shore, MI

Average sunshine days in September - Bay Shore, MI
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is September (14.9 days).
Months with the least sunshine days are January and February (5.5 days).

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Average UV index in September
Bay Shore, MI

Average UV index in September - Bay Shore, 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
Bay Shore, MI

Average cloud cover in September - Bay Shore, MI
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in September
Bay Shore, MI

Average visibility in September - Bay Shore, MI
  • Average visibility in September: 6mi

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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