September weather forecastWalkerville, MI
September
Weather in September
September, the first month of the autumn in Walkerville, is also an enjoyable month, with temperature in the range of an average high of 67.6°F (19.8°C) and an average low of 57.7°F (14.3°C).Temperature
Walkerville in September undergoes a slight reduction in the average high-temperature, shifting from August's moderately hot 73.6°F (23.1°C) to an enjoyable 67.6°F (19.8°C). Throughout September, Walkerville's nights cool down to an average of 57.7°F (14.3°C).Humidity
In September, the average relative humidity is 77%.Rainfall
In Walkerville, in September, during 13.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 140.3 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
In Walkerville, Michigan, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 7:08 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:26 pm EDT.
Sunshine
The average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September leads to these advisories:
Take precautions - Protection against sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Walkerville, MI
- Average high temperature in September: 67.6°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Walkerville, 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
Walkerville, MI
- Average wind speed in September: 10.4mph
The windiest month (with the highest average wind speed) is November (13.1mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in September
Walkerville, MI
- Average humidity in September: 77%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in September
Walkerville, MI
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in September
Walkerville, MI
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Walkerville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Walkerville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Walkerville, 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 18min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Walkerville, MI
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in September
Walkerville, MI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Walkerville, MI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
Walkerville, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
