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
In the transition to September, Casnovia observes a minor drop in the average high-temperature, shifting from a moderately hot 78.3°F (25.7°C) in August to a pleasant 71.8°F (22.1°C). In the month of September, Casnovia's average low-temperature falls to a fresh 53.8°F (12.1°C).Humidity
In Casnovia, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.1 days and typically collects 1.5" (38mm) of precipitation.Snowfall
In Casnovia, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 7:08 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Casnovia, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Casnovia have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Casnovia?
What is the UV index intensity in September?
Average temperature in September
Casnovia, MI
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 53.8°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Casnovia, 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 (29.92"Hg).
Average wind speed in September
Casnovia, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Casnovia, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Casnovia, MI
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in September
Casnovia, MI
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in September
Casnovia, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Casnovia, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Casnovia, 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 1min
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 24min).
Average sunshine days in September
Casnovia, MI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The months with the least sunshine days are January and February (7.5 days).
Average UV index in September
Casnovia, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Casnovia, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Casnovia, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Casnovia, Michigan, USA
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