September weather forecastGrosse Pointe Woods, MI
September
Weather in September
September, the first month of the autumn in Grosse Pointe Woods, is also an agreeable month, with an average temperature fluctuating between 58.3°F (14.6°C) and 71.4°F (21.9°C).Temperature
The arrival of September signals a subtle shift in temperature, down from a warm 77.9°F (25.5°C) in August to a pleasant 71.4°F (21.9°C). Throughout the month of September, Grosse Pointe Woods sees a steady low-temperature average of 58.3°F (14.6°C).Humidity
The average relative humidity in September in Grosse Pointe Woods, Michigan, is 75%.Rainfall
In Grosse Pointe Woods, during September, the rain falls for 9.8 days and regularly aggregates up to 0.43" (11mm) of precipitation. Throughout the year, in Grosse Pointe Woods, there are 105.5 rainfall days, and 7.36" (187mm) of precipitation is accumulated.Snowfall
In Grosse Pointe Woods, snow does not fall in June through October.Daylight
In September, the average length of the day in Grosse Pointe Woods is 12h and 28min.On the first day of the month, sunrise is at 6:57 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:14 pm EDT.
Sunshine
In Grosse Pointe Woods, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Grosse Pointe Woods is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grosse Pointe Woods, MI
- Average high temperature in September: 71.4°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 (28.8°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Grosse Pointe Woods, MI
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Grosse Pointe Woods, MI
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Grosse Pointe Woods, MI
- Average humidity in September: 75%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Grosse Pointe Woods, MI
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is May (0.91").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in September
Grosse Pointe Woods, MI
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Grosse Pointe Woods, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Grosse Pointe Woods, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grosse Pointe Woods, 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 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Grosse Pointe Woods, MI
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is December (22.3 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in September
Grosse Pointe Woods, MI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Grosse Pointe Woods, MI
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Grosse Pointe Woods, MI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
