September weather forecastThompsonville, MI
September
Weather in September
September, the first month of the autumn in Thompsonville, is still a pleasant month, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 68.9°F (20.5°C).Temperature
The shift from August to September coincides with a small decrease in the average high-temperature, down to a pleasant 68.9°F (20.5°C) from a moderately hot 75.7°F (24.3°C). Thompsonville records an average nighttime low-temperature of 53.1°F (11.7°C) throughout September.Humidity
In Thompsonville, the average relative humidity in September is 78%.Rainfall
In September, in Thompsonville, the rain falls for 10.2 days. Throughout September, 0.94" (24mm) of precipitation is accumulated. In Thompsonville, during the entire year, the rain falls for 104.2 days and collects up to 12.72" (323mm) of precipitation.Snowfall
In Thompsonville, Michigan, snow does not fall in June through September.Daylight
The average length of the day in September in Thompsonville is 12h and 30min.On the first day of September, sunrise is at 7:07 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:25 pm EDT.
Sunshine
In September, the average sunshine is 7.8h.UV index
In Thompsonville, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Thompsonville, MI
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Thompsonville, MI
- Average pressure in September: 30.02"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
Thompsonville, MI
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Thompsonville, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Thompsonville, MI
- Average rainfall in September: 0.94"
The wettest months (with the highest rainfall) are May and October (1.38").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Thompsonville, MI
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is October (12.5 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Thompsonville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Thompsonville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Thompsonville, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Thompsonville, MI
- Average sunshine days in September: 17 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Thompsonville, 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, February, November and December (UV index 1).
Average cloud cover in September
Thompsonville, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Thompsonville, MI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





