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
September marks a gentle change in average high-temperature, declining from August's warm 75.2°F (24°C) to an agreeable 68.9°F (20.5°C). In Croswell, the September nights cool down to an average low of 56.1°F (13.4°C).Humidity
The average relative humidity in September in Croswell, Michigan, is 79%.Rainfall
In Croswell, during September, the rain falls for 13.2 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, in Croswell, there are 155.3 rainfall days, and 24.8" (630mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Croswell.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:55 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:12 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
In Croswell, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Croswell in September?
What is the average humidity in September in Croswell?
How much does it rain in Croswell in September?
When it does not snow in Croswell?
Does it snow in Croswell in September?
What is the average length of the day in September in Croswell?
What time are sunrise and sunset in September in Croswell?
How many hours of sunshine does Croswell have in September?
What is the UV index intensity in September in Croswell?
Average temperature in September
Croswell, 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
Croswell, 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
Croswell, 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
Croswell, 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
Croswell, 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
Croswell, 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
Croswell, 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
Croswell, 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
Croswell, MI
- Average daylight in September: 12h and 3min
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 2min
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
Croswell, 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
Croswell, 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
Croswell, 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
Croswell, 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).
Croswell, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location