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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a warm 74.1°F (23.4°C) to a pleasant 68°F (20°C). During September, the temperature tends to dip to an average of 56.1°F (13.4°C) at night.Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 144.3 rainfall days, and 23.54" (598mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Cumber.Daylight
In Cumber, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:56 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:14 pm EDT.
Sunshine
In Cumber, Michigan, the average sunshine in September is 8h.UV index
In Cumber, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Cumber?
What is the average humidity in September in Cumber?
How many days does it rain in September in Cumber?
When it does not snow in Cumber?
How many hours of daylight does Cumber have in September?
What time are sunrise and sunset in September in Cumber?
How many hours of sunshine does Cumber have in September?
What is the UV index intensity in September in Cumber?
Average temperature in September
Cumber, MI
- Average high temperature in September: 68°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 56.1°F
The months with the highest average low temperature are July and August (61.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Cumber, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Cumber, MI
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
Cumber, MI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Cumber, MI
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in September
Cumber, MI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is October (15.9 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Cumber, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Cumber, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cumber, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Cumber, MI
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is December (8.2 days).
Average UV index in September
Cumber, MI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cumber, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Cumber, 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).
Cumber, Michigan, USA
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