September weather forecastTurtle, MI
September
Weather in September
September, the first month of the autumn in Turtle, is also an agreeable month, with an average temperature varying between 51.6°F (10.9°C) and 70.3°F (21.3°C).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a moderately hot 77°F (25°C) in August to a pleasant 70.3°F (21.3°C). Throughout the month of September, Turtle reports a steady low-temperature average of 51.6°F (10.9°C).Humidity
In Turtle, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 11.3 days and accumulates 1.06" (27mm) of precipitation.Snowfall
June through September are months without snowfall in Turtle.Daylight
In Turtle, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:58 am and sunset at 8:10 pm. On the last day of September, in Turtle, sunrise is at 7:32 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during September translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Turtle, MI
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in September
Turtle, MI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Turtle, MI
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Turtle, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in September
Turtle, MI
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in September
Turtle, MI
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is October (15.4 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Turtle, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Turtle, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Turtle, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Turtle, MI
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in September
Turtle, 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, November and December (UV index 1).
Average cloud cover in September
Turtle, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Turtle, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, March, September and December (5mi).
