September weather forecastFalmouth, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Falmouth, Michigan, with an average temperature varying between 69.4°F (20.8°C) and 50.7°F (10.4°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a moderately hot 76.5°F (24.7°C) in August to an agreeable 69.4°F (20.8°C). In September, Falmouth encounters an average low-temperature of 50.7°F (10.4°C) during the night.Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.46" (37mm) of precipitation.Snowfall
In Falmouth, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 7:04 am and sunset at 8:16 pm. On the last day of September, in Falmouth, sunrise is at 7:37 am and sunset at 7:22 pm EDT.
Sunshine
In Falmouth, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. 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
Average temperature in September
Falmouth, MI
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.9°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in September
Falmouth, 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 (29.92"Hg).
Average wind speed in September
Falmouth, MI
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Falmouth, MI
- Average humidity in September: 80%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Falmouth, MI
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in September
Falmouth, MI
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Falmouth, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (10.67").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Falmouth, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (24.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Falmouth, MI
- Average daylight in September: 12h and 30min
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: 7h and 54min
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
Falmouth, MI
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in September
Falmouth, 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, November and December (UV index 1).
Average cloud cover in September
Falmouth, MI
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Falmouth, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
