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 advent of September brings a subtle shift in temperature, with the average high moving from a pleasant 72.7°F (22.6°C) in August to a comfortable 65.7°F (18.7°C). Throughout September, an average low-temperature of 49.5°F (9.7°C) is experienced.Humidity
In Palmer, the average relative humidity in September is 80%.Rainfall
In Palmer, in September, it is raining for 14.1 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 126.2 rainfall days, and 25.98" (660mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:28 pm. On the last day of September, sunrise is at 7:48 am and sunset at 7:31 pm EDT.
Sunshine
In Palmer, the average sunshine in September is 7h.UV index
In Palmer, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 in September translates into these instructions:
Take precautions - Protection against sunburn is recommended. Stay safe from the Sun's strongest UV rays by 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 average September temperature?
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?
How many hours of daylight does Palmer have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Palmer have in September?
What is the UV index reading in September?
Average temperature in September
Palmer, MI
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (74.7°F).
The month with the lowest average high temperature is January (20.8°F).
- Average low temperature in September: 49.5°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in September
Palmer, MI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is March (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Palmer, MI
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in September
Palmer, MI
- Average humidity in September: 80%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Palmer, MI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (3.15").
The driest month (with the least rainfall) is January (1.54").
Average rainfall days in September
Palmer, MI
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in September
Palmer, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (12.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Palmer, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (25.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Palmer, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Palmer, MI
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is September (13.9 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in September
Palmer, 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
Palmer, MI
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Palmer, MI
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and March (4mi).
Palmer, Michigan, USA
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