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 average high-temperature slightly decreases in September, shifting from a warm 74.5°F (23.6°C) in August to a pleasant 68.4°F (20.2°C). During September, Caseville records a consistent average nighttime temperature of 55.9°F (13.3°C).Humidity
In September, the average relative humidity in Caseville is 79%.Rainfall
In Caseville, Michigan, in September, during 13.1 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Caseville, during the entire year, the rain falls for 150.8 days and collects up to 22.99" (584mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:57 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine in Caseville is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Caseville in September?
What is the average humidity in September in Caseville?
How many days does it rain in September in Caseville?
When it does not snow in Caseville?
How many hours of daylight does Caseville have in September?
What time are sunrise and sunset in September in Caseville?
How long on average sun shines in September in Caseville?
How high is the UV index in September in Caseville?
Average temperature in September
Caseville, MI
- Average high temperature in September: 68.4°F
The warmest month (with the highest average high temperature) is July (75.4°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Caseville, 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
Caseville, MI
- Average wind speed in September: 8.9mph
The windiest months (with the highest average wind speed) are January and December (11.9mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Caseville, MI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Caseville, MI
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in September
Caseville, MI
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Caseville, 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, September and October (0").
Average snowfall days in September
Caseville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Caseville, 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 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Caseville, MI
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The months with the least sunshine days are February and December (8.7 days).
Average UV index in September
Caseville, 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
Caseville, MI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Caseville, 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).
Caseville, Michigan, USA
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