September weather forecastStevensville, MI
September
Weather in September
September, the first month of the autumn in Stevensville, is still a pleasant month, with an average temperature fluctuating between 58.6°F (14.8°C) and 72.1°F (22.3°C).Temperature
The start of September sees the average high-temperature at an agreeable 72.1°F (22.3°C), showing little difference from August's 76.8°F (24.9°C). Stevensville encounters a steady low-temperature average of 58.6°F (14.8°C) throughout the month of September.Humidity
In Stevensville, the average relative humidity in September is 77%.Rainfall
In Stevensville, in September, during 13.1 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Stevensville, during the entire year, the rain falls for 143.9 days and collects up to 24.53" (623mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 7:12 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:28 pm EDT.
Sunshine
In Stevensville, the average sunshine in September is 8.2h.UV index
In Stevensville, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stevensville, MI
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Stevensville, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Stevensville, MI
- Average wind speed in September: 8.9mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in September
Stevensville, MI
- Average humidity in September: 77%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Stevensville, MI
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in September
Stevensville, MI
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in September
Stevensville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stevensville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stevensville, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Stevensville, MI
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is January (9.4 days).
Average UV index in September
Stevensville, MI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Stevensville, MI
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Stevensville, MI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
