Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 77.5°F (25.3°C) in August to an agreeable 72.1°F (22.3°C). September nights cool down to an average low-temperature of 58.3°F (14.6°C).Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 1.57" (40mm) of precipitation is accumulated. In Detroit Beach, during the entire year, the rain falls for 149.1 days and collects up to 22.48" (571mm) of precipitation.Snowfall
In Detroit Beach, snow does not fall in June through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Detroit Beach, sunrise is at 6:59 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:16 pm EDT.
Sunshine
In Detroit Beach, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September in Detroit Beach?
How many hours of sunshine does Detroit Beach have in September?
How high is the UV index in September?
Average temperature in September
Detroit Beach, MI
- Average high temperature in September: 72.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 58.3°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 (19.8°F).
Average pressure in September
Detroit Beach, MI
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Detroit Beach, MI
- Average wind speed in September: 8mph
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
Detroit Beach, MI
- Average humidity in September: 77%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Detroit Beach, MI
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is June (2.87").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in September
Detroit Beach, MI
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Detroit Beach, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Detroit Beach, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Detroit Beach, MI
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Detroit Beach, MI
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Detroit Beach, 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
Detroit Beach, MI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Detroit Beach, 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).
Detroit Beach, Michigan, USA
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