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
Marne's weather subtly changes with the onset of September, barely falling from a moderately hot 78.4°F (25.8°C) in August to a pleasant 72°F (22.2°C). Throughout September, Marne witnesses a nighttime temperature average of 54.7°F (12.6°C).Humidity
The average relative humidity in September is 77%.Rainfall
In September, the rain falls for 6.7 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. In Marne, during the entire year, the rain falls for 88.8 days and collects up to 7.56" (192mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
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 8:17 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:25 pm EDT.
Sunshine
In Marne, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Marne in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Marne have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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
Marne, 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).
Marne, Michigan, USA
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