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 onset of September entails a subtle temperature shift, as the average high-temperature eases from an agreeable 72.9°F (22.7°C) in August to a refreshing 66°F (18.9°C). In September, the nighttime temperature lowers to an average of 53.4°F (11.9°C).Humidity
The average relative humidity in September in Indian River is 78%.Rainfall
In Indian River, Michigan, in September, it is raining for 12.1 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, there are 128.7 rainfall days, and 23.39" (594mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Indian River.Daylight
In Indian River, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 7:00 am and sunset at 8:15 pm. On the last day of September, in Indian River, Michigan, sunrise is at 7:36 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September is 7.8h.UV index
In Indian River, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Indian River in September?
What is the average humidity in September in Indian River?
How much does it rain in Indian River in September?
When it does not snow in Indian River?
Does it snow in Indian River in September?
How many hours of daylight does Indian River have in September?
When is the sunrise / sunset in September in Indian River?
How many hours of sunshine does Indian River have in September?
What is the UV index intensity in September in Indian River?
Average temperature in September
Indian River, MI
- Average high temperature in September: 66°F
The warmest month (with the highest average high temperature) is August (72.9°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in September: 53.4°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in September
Indian River, MI
- Average pressure in September: 30.01"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
Indian River, MI
- Average wind speed in September: 8.4mph
The windiest months (with the highest average wind speed) are January and December (10.7mph).
The calmest months (with the lowest average wind speed) are June and July (7.3mph).
Average humidity in September
Indian River, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Indian River, MI
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is October (2.95").
The driest months (with the least rainfall) are February and August (1.38").
Average rainfall days in September
Indian River, MI
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in September
Indian River, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.19").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Indian River, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Indian River, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Indian River, MI
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is July (16.6 days).
The month with the least sunshine days is January (5.9 days).
Average UV index in September
Indian River, 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, February, March, November and December (UV index 1).
Average cloud cover in September
Indian River, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Indian River, MI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Indian River, Michigan, USA
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