September weather forecastIshpeming, MI
September
Weather in September
September, the first month of the autumn in Ishpeming, is still a comfortable month, with temperature in the range of an average high of 65.7°F (18.7°C) and an average low of 49.5°F (9.7°C).Temperature
In Ishpeming, the average high-temperature in September gently drops from a pleasant 72.7°F (22.6°C) in August to a refreshing 65.7°F (18.7°C). Throughout the month of September, the nighttime temperature dips to an average of 49.5°F (9.7°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Ishpeming, in September, during 14.1 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Ishpeming, during the entire year, the rain falls for 126.2 days and collects up to 25.98" (660mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:29 pm. On the last day of September, sunrise is at 7:48 am and sunset at 7:31 pm EDT.
Sunshine
In September, the average sunshine is 7h.UV index
In Ishpeming, 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 unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Exercise prevention - Warding off sunburn is urged. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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
Ishpeming, MI
- Average daylight in September: 12h and 30min
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
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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
Ishpeming, 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).
