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 arrival of September brings an average high-temperature of a comfortable 66.9°F (19.4°C), closely following the temperature pattern of August. The average low-temperature, in September, is a mild 57.7°F (14.3°C).Humidity
In Manistee, the average relative humidity in September is 78%.Rainfall
In Manistee, in September, during 13.7 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Manistee, during the entire year, the rain falls for 143.8 days and collects up to 27.05" (687mm) of precipitation.Snowfall
In Manistee, snow does not fall in June through September.Daylight
In Manistee, the average length of the day in September is 12h and 30min.On the first day of September, sunrise is at 7:09 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 7:27 pm EDT.
Sunshine
In Manistee, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When 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
Manistee, MI
- Average high temperature in September: 66.9°F
The warmest month (with the highest average high temperature) is August (72.1°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in September: 57.7°F
The month with the highest average low temperature is August (63.5°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in September
Manistee, MI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Manistee, MI
- Average wind speed in September: 11.2mph
The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9mph).
Average humidity in September
Manistee, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in September
Manistee, MI
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is October (3.31").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in September
Manistee, MI
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is October (17.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in September
Manistee, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Manistee, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Manistee, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Manistee, MI
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is August (14.1 days).
The month with the least sunshine days is January (5.7 days).
Average UV index in September
Manistee, MI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Manistee, MI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Manistee, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Manistee, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location