September weather forecastMulliken, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Mulliken, Michigan, with an average temperature fluctuating between 72°F (22.2°C) and 52.5°F (11.4°C).Temperature
Mulliken observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 77.9°F (25.5°C) to a pleasant 72°F (22.2°C). An average nighttime temperature of 52.5°F (11.4°C) is recorded during September.Humidity
In Mulliken, the average relative humidity in September is 79%.Rainfall
In Mulliken, in September, during 10 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Mulliken, during the entire year, the rain falls for 121.9 days and collects up to 12.01" (305mm) of precipitation.Snowfall
In Mulliken, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 7:05 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mulliken, MI
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in September: 52.5°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 (17.1°F).
Average pressure in September
Mulliken, 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
Mulliken, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Mulliken, 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 (76%).
Average rainfall in September
Mulliken, MI
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are February and November (0.63").
Average rainfall days in September
Mulliken, MI
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Mulliken, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (2.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mulliken, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mulliken, 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 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Mulliken, MI
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is September (17.8 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in September
Mulliken, 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
Mulliken, MI
- Average cloud cover in September: 35
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
Mulliken, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
