September weather forecast
Harbor Beach, MI

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Weather in September

The first month of the autumn, September, is still a comfortable month in Harbor Beach, Michigan, with an average temperature fluctuating between 59.5°F (15.3°C) and 66.4°F (19.1°C).

Temperature

With the advent of September, Harbor Beach's high-temperatures adjust to a comfortable 66.4°F (19.1°C), closely aligning with the preceding month. Harbor Beach's average low temperature, barely cooler than the daytime high, steadies at a mild 59.5°F (15.3°C) during September.

Humidity

September through November, with an average relative humidity of 77%, are the least humid months in Harbor Beach.

Rainfall

In Harbor Beach, Michigan, in September, during 13.7 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Harbor Beach, during the entire year, the rain falls for 147 days and collects up to 25.67" (652mm) of precipitation.

Snowfall

May through October are months without snowfall in Harbor Beach, Michigan.

Daylight

In September, the average length of the day is 12h and 29min.
On the first day of September in Harbor Beach, sunrise is at 6:54 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:12 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In Harbor Beach, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What are September temperatures in Harbor Beach?

The high-temperature in Harbor Beach, Michigan, during September is 66.4°F (19.1°C) and the low-temperature is 59.5°F (15.3°C).

What is the least humid month in Harbor Beach?

September through November, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in September in Harbor Beach?

The average relative humidity in September in Harbor Beach, Michigan, is 77%.

How many days does it rain in September in Harbor Beach?

In September, the rain falls for 13.7 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

When it does not snow in Harbor Beach?

May through October are months without snowfall in Harbor Beach, Michigan.

How many hours of daylight does Harbor Beach have in September?

The average day length in September in Harbor Beach, Michigan, is 12h and 29min.

What time are sunrise and sunset in September in Harbor Beach?

In September, on the first day of the month, sunrise is at 6:54 am and sunset at 8:05 pm. On the last day of the month, in Harbor Beach, sunrise is at 7:27 am and sunset at 7:12 pm EDT.

How many hours of sunshine does Harbor Beach have in September?

The average sunshine duration in September is 8.4h.

How high is the UV index in September in Harbor Beach?

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Harbor Beach, MI

Average temperature in September - Harbor Beach, MI
  • Average high temperature in September: 66.4°F

The warmest month (with the highest average high temperature) is August (71.6°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

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Average pressure in September
Harbor Beach, MI

Average pressure in September - Harbor Beach, MI
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Harbor Beach, MI

Average wind speed in September - Harbor Beach, MI
  • Average wind speed in September: 11.4mph

The windiest months (with the highest average wind speed) are January and December (15.8mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

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Average humidity in September
Harbor Beach, MI

Average humidity in September - Harbor Beach, MI
  • Average humidity in September: 77%

The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are September, October and November (77%).

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Average rainfall in September
Harbor Beach, MI

Average rainfall in September - Harbor Beach, MI
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is June (2.99").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in September
Harbor Beach, MI

Average rainfall days in September - Harbor Beach, MI
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is February (4.4 days).

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Average snowfall in September
Harbor Beach, MI

Average snowfall in September - Harbor Beach, MI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Harbor Beach, MI

Average snowfall days in September - Harbor Beach, MI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (11 days).
The 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
Harbor Beach, MI

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in September
Harbor Beach, MI

Average sunshine days in September - Harbor Beach, MI
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is June (13.8 days).
The month with the least sunshine days is August (11.3 days).

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Average UV index in September
Harbor Beach, MI

Average UV index in September - Harbor Beach, MI
  • Average UV index in September: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).

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Average cloud cover in September
Harbor Beach, MI

Average cloud cover in September - Harbor Beach, MI
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in September
Harbor Beach, MI

Average visibility in September - Harbor Beach, MI
  • Average visibility in September: 6mi

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

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Harbor Beach, Michigan, USA

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