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
In Coopersville, entering September brings a subtle temperature decrement, reducing from August's warm 78.4°F (25.8°C) to an agreeable 72°F (22.2°C). Nighttime temperature dips to a mean of 54.7°F (12.6°C) during September.Humidity
In September, the average relative humidity is 77%.Rainfall
In Coopersville, in September, it is raining for 6.7 days, with typically 0.63" (16mm) of accumulated precipitation. In Coopersville, during the entire year, the rain falls for 88.8 days and collects up to 7.56" (192mm) of precipitation.Snowfall
In Coopersville, snow does not fall in May through October.Daylight
In Coopersville, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 7:08 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:26 pm EDT.
Sunshine
In Coopersville, the average sunshine in September is 8.1h.UV index
In Coopersville, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. 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 September temperatures?
What is the average humidity in September in Coopersville?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Coopersville have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Coopersville have in September?
How high is the UV index in September?
Average temperature in September
Coopersville, MI
- Average high temperature in September: 72°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 (28.2°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in September
Coopersville, 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
Coopersville, MI
- Average wind speed in September: 7.6mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Coopersville, MI
- Average humidity in September: 77%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Coopersville, MI
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is October (0.94").
The driest month (with the least rainfall) is November (0.39").
Average rainfall days in September
Coopersville, MI
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is April (10.7 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Coopersville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Coopersville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Coopersville, MI
- Average daylight in September: 12h and 3min
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 1min
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 18min).
Average sunshine days in September
Coopersville, MI
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in September
Coopersville, 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
Coopersville, MI
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Coopersville, 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).
Coopersville, Michigan, USA
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