September weather forecastHersey, MI
September
Weather in September
September, the first month of the autumn in Hersey, is still a pleasant month, with an average temperature fluctuating between 50.7°F (10.4°C) and 69.6°F (20.9°C).Temperature
Hersey's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 76.5°F (24.7°C) in August to a pleasant 69.6°F (20.9°C). During the nights in September, the temperature in Hersey averages to a cool 50.7°F (10.4°C).Humidity
In September, the average relative humidity in Hersey is 80%.Rainfall
September is the month with the least rainfall in Hersey. Rain falls for 11.7 days and accumulates 1.14" (29mm) of precipitation.Snowfall
In Hersey, snow does not fall in June through September.Daylight
In September, the average length of the day in Hersey is 12h and 29min.On the first day of September, sunrise is at 7:06 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:23 pm EDT.
Sunshine
In Hersey, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hersey, MI
- Average high temperature in September: 69.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in September
Hersey, 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
Hersey, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Hersey, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Hersey, MI
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.14").
Average rainfall days in September
Hersey, MI
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Hersey, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hersey, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hersey, MI
- Average daylight in September: 12h and 30min
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: 7h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Hersey, MI
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is January (7.7 days).
Average UV index in September
Hersey, 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
Hersey, MI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Hersey, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





