September weather forecastRosebush, MI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Rosebush, Michigan, with an average temperature varying between 70.7°F (21.5°C) and 51.8°F (11°C).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 76.8°F (24.9°C) in August to a pleasant 70.7°F (21.5°C). In the month of September, the average low-temperature usually rests at a cool 51.8°F (11°C).Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.22" (31mm) of precipitation.Snowfall
In Rosebush, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 7:03 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:21 pm EDT.
Sunshine
In September, the average sunshine in Rosebush is 8.1h.UV index
In Rosebush, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rosebush, MI
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (26.1°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Rosebush, 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
Rosebush, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Rosebush, MI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Rosebush, MI
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in September
Rosebush, MI
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is October (15.5 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Rosebush, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Rosebush, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rosebush, 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: 8h and 6min
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 30min).
Average sunshine days in September
Rosebush, MI
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is January (9.6 days).
Average UV index in September
Rosebush, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Rosebush, 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
Rosebush, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).
