September weather forecast
Dollar Bay, MI

Weather in September

September, the first month of the autumn, in Dollar Bay, is still a comfortable month, with average temperature ranging between min 52.3°F (11.3°C) and max 64.2°F (17.9°C).

Temperature

In Dollar Bay, the average high-temperature slightly decreases, from a pleasant 70.3°F (21.3°C) in August, to a comfortable 64.2°F (17.9°C). The average low-temperature, in Dollar Bay, is 52.3°F (11.3°C).

Humidity

The average relative humidity in Dollar Bay, Michigan, is 78%.

Rainfall

In Dollar Bay, it is raining for 14.4 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, in Dollar Bay, there are 123.4 rainfall days, and 21.1" (536mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

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

Sunshine

The average sunshine in September is 7.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 4 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. 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 average humidity in September in Dollar Bay?

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

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

In Dollar Bay, in September, during 14.4 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow in Dollar Bay?

In Dollar Bay snow does not fall in June through September.

Does it snow in Dollar Bay in September?

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

What is the average length of the day in September in Dollar Bay?

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

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

In Dollar Bay, the average sunshine in September is 7.5h.

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

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Dollar Bay, MI

Average temperature in September - Dollar Bay, MI
  • Average high temperature in September: 64.2°F

The warmest month (with the highest average high temperature) is August (70.3°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is August (57.6°F).
The coldest months (with the lowest average low temperature) are January and February (15.1°F).

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Average pressure in September
Dollar Bay, MI

Average pressure in September - Dollar Bay, MI
  • Average pressure in September: 29.99"

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
Dollar Bay, MI

Average wind speed in September - Dollar Bay, MI
  • Average wind speed in September: 9.2mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is June (7.5mph).

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Average humidity in September
Dollar Bay, MI

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

Months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (73%).

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Average rainfall in September
Dollar Bay, MI

Average rainfall in September - Dollar Bay, MI
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is October (2.28").
The driest months (with the least rainfall) are January, February and March (1.3").

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Average rainfall days in September
Dollar Bay, MI

Average rainfall days in September - Dollar Bay, MI
  • Average rainfall days in September: 14.4 days

Months with the highest number of rainy days are September and October (14.4 days).
The month with the least rainy days is January (3.1 days).

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Average snowfall in September
Dollar Bay, MI

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

The month with the highest snowfall is December (7.87").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Dollar Bay, MI

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

The month with the highest number of snowfall days is January (23.4 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
Dollar Bay, MI

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

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in September: 7.5h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 1.5h).

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Average sunshine days in September
Dollar Bay, MI

Average sunshine days in September - Dollar Bay, MI
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is January (5.3 days).

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Average UV index in September
Dollar Bay, MI

Average UV index in September - Dollar Bay, MI
  • Average UV index in September: 4

Months with the highest UV index are 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
Dollar Bay, MI

Average cloud cover in September - Dollar Bay, MI
  • Average cloud cover in September: 38

The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in September
Dollar Bay, MI

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

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

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