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
September brings a slight decrease in temperature, down from a moderately hot 76.6°F (24.8°C) in August to a pleasant 70.7°F (21.5°C). In September, the recorded average low-temperature is a mild 55.4°F (13°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Gardendale, in September, during 11.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Gardendale, during the entire year, the rain falls for 123 days and collects up to 13.7" (348mm) of precipitation.Snowfall
In Gardendale, snow does not fall in June through October.Daylight
In Gardendale, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:55 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:12 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Ensure safety - Sun damage prevention is strongly urged. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Gardendale?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Gardendale have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Gardendale, MI
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in September
Gardendale, 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 (29.93"Hg).
Average wind speed in September
Gardendale, MI
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Gardendale, MI
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Gardendale, MI
- Average rainfall in September: 0.94"
The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in September
Gardendale, MI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Gardendale, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Gardendale, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gardendale, 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 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Gardendale, MI
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in September
Gardendale, 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 and December (UV index 1).
Average cloud cover in September
Gardendale, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Gardendale, MI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Gardendale, Michigan, USA
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