September weather forecastOrleans, MI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Orleans, Michigan, with an average temperature ranging between max 71.6°F (22°C) and min 52.5°F (11.4°C).Temperature
Orleans, Michigan, in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 77.9°F (25.5°C) to a pleasant 71.6°F (22°C). Throughout September, an average low-temperature of 52.5°F (11.4°C) is expected.Humidity
In Orleans, the average relative humidity in September is 78%.Rainfall
In September, the rain falls for 9.7 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. Throughout the year, there are 122.5 rainfall days, and 13.19" (335mm) of precipitation is accumulated.Snowfall
In Orleans, snow does not fall in May 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 8:14 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:22 pm EDT.
Sunshine
In Orleans, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Orleans, Michigan, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 3 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Orleans, MI
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (79.3°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 (60.6°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Orleans, 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
Orleans, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Orleans, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Orleans, MI
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is November (0.71").
Average rainfall days in September
Orleans, MI
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Orleans, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Orleans, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Orleans, 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 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Orleans, MI
- Average sunshine days in September: 17.7 days
The month with the most sunshine days is September (17.7 days).
The months with the least sunshine days are January, February and May (12.8 days).
Average UV index in September
Orleans, 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
Orleans, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Orleans, 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).





