September weather forecast
Big Bay, MI

Share

Weather in September

The first month of the autumn, September, is still a refreshing month in Big Bay, Michigan, with an average temperature varying between 50°F (10°C) and 65.3°F (18.5°C).

Temperature

With the commencement of September, Big Bay records a moderate temperature decline, with the average high easing from August's pleasant 72.1°F (22.3°C) to a refreshing 65.3°F (18.5°C). Big Bay's nights in September cool down to an average low-temperature of 50°F (10°C).

Humidity

In September, the average relative humidity in Big Bay is 79%.

Rainfall

In Big Bay, in September, it is raining for 13.6 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 117.1 rainfall days, and 23.35" (593mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 32min.
On the first day of September, sunrise is at 7:11 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 7:31 pm EDT.

Sunshine

The average sunshine in September in Big Bay is 7.2h.

UV index

In Big Bay, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 3 in September leads to these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
[Resources]

Frequently asked questions

What are September temperatures in Big Bay?

During September, Big Bay experiences an average high-temperature of 65.3°F (18.5°C) and a low-temperature of 50°F (10°C).

What is the average humidity in September in Big Bay?

In Big Bay, Michigan, the average relative humidity in September is 79%.

How much does it rain in Big Bay in September?

In Big Bay, Michigan, in September, during 13.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

When it does not snow in Big Bay?

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

Does it snow in Big Bay in September?

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

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

In September, the average day length in Big Bay, Michigan, is 12h and 32min.

When is the sunrise / sunset in September in Big Bay?

On the first day of September, sunrise is at 7:11 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 7:31 pm EDT.

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

The average sunshine duration in September in Big Bay, Michigan, is 7.2h.

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

In September, the average daily maximum UV index in Big Bay is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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
Big Bay, MI

Average temperature in September - Big Bay, MI
  • Average high temperature in September: 65.3°F

The warmest month (with the highest average high temperature) is July (73.2°F).
The month with the lowest average high temperature is January (21.4°F).

  • Average low temperature in September: 50°F

The month with the highest average low temperature is August (56.1°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

[Resources]

Average pressure in September
Big Bay, MI

Average pressure in September - Big Bay, MI
  • Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

[Resources]

Average wind speed in September
Big Bay, MI

Average wind speed in September - Big Bay, MI
  • Average wind speed in September: 8.7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are June, July and August (7.5mph).

[Resources]

Average humidity in September
Big Bay, MI

Average humidity in September - Big Bay, MI
  • Average humidity in September: 79%

The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (72%).

[Resources]

Average rainfall in September
Big Bay, MI

Average rainfall in September - Big Bay, MI
  • Average rainfall in September: 2.13"

The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is January (1.26").

[Resources]

Average rainfall days in September
Big Bay, MI

Average rainfall days in September - Big Bay, MI
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is February (2.3 days).

[Resources]

Average snowfall in September
Big Bay, MI

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

The month with the highest snowfall is December (9.8").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in September
Big Bay, MI

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

The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Big Bay, MI

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

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 7h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).

[Resources]

Average sunshine days in September
Big Bay, MI

Average sunshine days in September - Big Bay, MI
  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is July (15.8 days).
The month with the least sunshine days is January (7.3 days).

[Resources]

Average UV index in September
Big Bay, MI

Average UV index in September - Big Bay, MI
  • Average UV index in September: 3

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

[Resources]

Average cloud cover in September
Big Bay, MI

Average cloud cover in September - Big Bay, MI
  • Average cloud cover in September: 41

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

[Resources]

Average visibility in September
Big Bay, MI

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

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

[Resources]

Big Bay, Michigan, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location