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
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a moderately hot 75.6°F (24.2°C) in August to a pleasant 69.1°F (20.6°C). In the month of September, Cass City records a consistent average low-temperature of 54°F (12.2°C).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.38" (35mm) of precipitation is accumulated. In Cass City, during the entire year, the rain falls for 135.9 days and collects up to 19.37" (492mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Cass City is 12h and 29min.On the first day of September, sunrise is at 6:57 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:14 pm EDT.
Sunshine
In September, the average sunshine in Cass City is 8.1h.UV index
In Cass City, Michigan, 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 the ordinary person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the average September temperature in Cass City?
What is the average humidity in September in Cass City?
How many days does it rain in September in Cass City?
When it does not snow in Cass City?
Does it snow in Cass City in September?
How many hours of daylight does Cass City have in September?
What time are sunrise and sunset in September in Cass City?
How long on average sun shines in September in Cass City?
What is the UV index reading in September in Cass City?
Average temperature in September
Cass City, MI
- Average high temperature in September: 69.1°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 54°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Cass City, 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
Cass City, MI
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity in September
Cass City, MI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Cass City, MI
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in September
Cass City, MI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Cass City, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cass City, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cass City, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Cass City, MI
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in September
Cass City, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Cass City, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Cass City, MI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Cass City, Michigan, USA
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