September weather forecastGreat Lakes Beach, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Great Lakes Beach, Michigan, with an average temperature ranging between min 56.1°F (13.4°C) and max 68.9°F (20.5°C).Temperature
Great Lakes Beach's September weather features a light decline in high-temperatures, reducing from a moderately hot 75.2°F (24°C) in August to an agreeable 68.9°F (20.5°C). The low-temperature averages to a mild 56.1°F (13.4°C) during the nights of September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Great Lakes Beach, Michigan, in September, it is raining for 13.2 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, in Great Lakes Beach, Michigan, there are 155.3 rainfall days, and 24.8" (630mm) of precipitation is accumulated.Snowfall
In Great Lakes Beach, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:55 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:12 pm EDT.
Sunshine
In Great Lakes Beach, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Great Lakes Beach is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Great Lakes Beach, MI
- Average high temperature in September: 68.9°F
The warmest months (with the highest average high temperature) are July and August (75.2°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Great Lakes Beach, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Great Lakes Beach, MI
- Average wind speed in September: 8.8mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Great Lakes Beach, MI
- Average humidity in September: 79%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May, October and November (78%).
Average rainfall in September
Great Lakes Beach, MI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in September
Great Lakes Beach, MI
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is October (17 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Great Lakes Beach, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Great Lakes Beach, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Great Lakes Beach, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Great Lakes Beach, MI
- Average sunshine days in September: 13.4 days
The months with the most sunshine days are July and September (13.4 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Great Lakes Beach, 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 and December (UV index 1).
Average cloud cover in September
Great Lakes Beach, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Great Lakes Beach, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).





