September weather forecastEagle Harbor, MI
September
Weather in September
September, the first month of the autumn in Eagle Harbor, is also a moderate month, with an average temperature fluctuating between 54.5°F (12.5°C) and 59.5°F (15.3°C).Temperature
Eagle Harbor experiences a subtle adjustment in high-temperatures to a still refreshing 59.5°F (15.3°C) with the onset of September, maintaining near parity with August's 62.6°F (17°C). Eagle Harbor experiences an average nighttime temperature of 54.5°F (12.5°C) in September, reflecting a minor difference from the day's peak.Humidity
In September, the average relative humidity is 80%.Rainfall
In Eagle Harbor, in September, it is raining for 14.6 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 116.2 rainfall days, and 23.46" (596mm) of precipitation is accumulated.Snowfall
In Eagle Harbor, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 7:12 am and sunset at 8:32 pm. On the last day of September, sunrise is at 7:51 am and sunset at 7:33 pm EDT.
Sunshine
In Eagle Harbor, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eagle Harbor, MI
- Average high temperature in September: 59.5°F
The warmest month (with the highest average high temperature) is August (62.6°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is August (57.6°F).
The coldest month (with the lowest average low temperature) is February (17.2°F).
Average pressure in September
Eagle Harbor, MI
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The months with the lowest atmospheric pressure are June and July (29.92"Hg).
Average wind speed in September
Eagle Harbor, MI
- Average wind speed in September: 13mph
The windiest month (with the highest average wind speed) is January (17.8mph).
The calmest month (with the lowest average wind speed) is July (10mph).
Average humidity in September
Eagle Harbor, MI
- Average humidity in September: 80%
The months with the highest relative humidity are January and July (85%).
The months with the lowest relative humidity are October and November (78%).
Average rainfall in September
Eagle Harbor, MI
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (1.46").
Average rainfall days in September
Eagle Harbor, MI
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is October (15.7 days).
The month with the least rainy days is February (1.4 days).
Average snowfall in September
Eagle Harbor, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Eagle Harbor, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Eagle Harbor, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 12min).
Average sunshine days in September
Eagle Harbor, MI
- Average sunshine days in September: 13.4 days
The months with the most sunshine days are July and August (16.7 days).
The month with the least sunshine days is January (3.8 days).
Average UV index in September
Eagle Harbor, MI
- Average UV index in September: 3
The months with the highest UV index are 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
Eagle Harbor, MI
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 89).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Eagle Harbor, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and December (4mi).
