Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Big Bay?
What is the average humidity in September in Big Bay?
How much does it rain in Big Bay in September?
When it does not snow in Big Bay?
Does it snow in Big Bay in September?
What is the average length of the day in September in Big Bay?
When is the sunrise / sunset in September in Big Bay?
How many hours of sunshine does Big Bay have in September?
What is the UV index reading in September in Big Bay?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Big Bay, Michigan, USA
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