September weather forecastTower, MI
September
Weather in September
September, the first month of the autumn in Tower, is still a comfortable month, with an average temperature varying between 65.3°F (18.5°C) and 54.5°F (12.5°C).Temperature
With the beginning of September, the average high-temperature shows a small decrease, transitioning from an agreeable 71.8°F (22.1°C) in August to a refreshing 65.3°F (18.5°C). Nighttime temperature lowers to an average of 54.5°F (12.5°C) in September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Tower, during September, the rain falls for 12 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Tower, Michigan, during the entire year, the rain falls for 133.1 days and collects up to 22.44" (570mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:14 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tower, MI
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in September
Tower, 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
Tower, MI
- Average wind speed in September: 9.3mph
The windiest months (with the highest average wind speed) are January and December (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Tower, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Tower, MI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Tower, MI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Tower, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Tower, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tower, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Tower, MI
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Tower, 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
Tower, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Tower, 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).





