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
As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 76.6°F (24.8°C) in August to a pleasant 70.5°F (21.4°C). Stanwood's average low-temperature is measured at a fresh 51.1°F (10.6°C) during September.Humidity
In September, the average relative humidity is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.18" (30mm) of precipitation.Snowfall
In Stanwood, Michigan, snow does not fall in June through September.Daylight
The average length of the day in September in Stanwood is 12h and 29min.On the first day of September in Stanwood, sunrise is at 7:06 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September in Stanwood, Michigan, is 7.8h.UV index
In September, the average daily maximum UV index in Stanwood is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Stanwood in September?
What is the average humidity in September in Stanwood?
What is the driest month in Stanwood?
How many days does it rain in September in Stanwood?
When it does not snow in Stanwood?
Does it snow in Stanwood in September?
How many hours of daylight does Stanwood have in September?
When are sunrise and sunset in September in Stanwood?
How many hours of sunshine does Stanwood have in September?
What is the UV index intensity in September in Stanwood?
Average temperature in September
Stanwood, MI
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Stanwood, 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
Stanwood, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Stanwood, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Stanwood, MI
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in September
Stanwood, MI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Stanwood, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stanwood, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stanwood, 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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Stanwood, MI
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in September
Stanwood, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Stanwood, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Stanwood, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Stanwood, Michigan, USA
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