September weather forecastCharlotte, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Charlotte, Michigan, with an average temperature fluctuating between 52.7°F (11.5°C) and 71.8°F (22.1°C).Temperature
September indicates a minor shift in the average high-temperature, from August's warm 77.7°F (25.4°C) to an agreeable 71.8°F (22.1°C). Charlotte's nighttime temperature during September is consistently averaged at a cool 52.7°F (11.5°C).Humidity
In Charlotte, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 122.9 rainfall days, and 13.27" (337mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Charlotte, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:21 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
In Charlotte, Michigan, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 3 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Charlotte, MI
- Average high temperature in September: 71.8°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Charlotte, MI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Charlotte, MI
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are January, February and April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Charlotte, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Charlotte, MI
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in September
Charlotte, MI
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Charlotte, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Charlotte, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Charlotte, MI
- Average daylight in September: 12h and 30min
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 6min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Charlotte, MI
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in September
Charlotte, MI
- Average UV index in September: 3
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Charlotte, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Charlotte, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January, February and September (5mi).





