September weather forecastNorth Ironwood, MI
September
Weather in September
September, the first month of the autumn in North Ironwood, is still a refreshing month, with temperature in the range of an average high of 65.7°F (18.7°C) and an average low of 50.5°F (10.3°C).Temperature
North Ironwood experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 73.6°F (23.1°C) in August to a refreshing 65.7°F (18.7°C). North Ironwood experiences an average temperature drop to a cool 50.5°F (10.3°C) during September nights.Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 14.4 days. Throughout September, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 125.1 rainfall days, and 25.94" (659mm) of precipitation is accumulated.Snowfall
In North Ironwood, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:21 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:41 pm CDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
North Ironwood, MI
- Average high temperature in September: 65.7°F
The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is January (19.8°F).
- Average low temperature in September: 50.5°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in September
North Ironwood, MI
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
North Ironwood, MI
- Average wind speed in September: 8.4mph
The windiest months (with the highest average wind speed) are January and November (10.2mph).
The calmest months (with the lowest average wind speed) are June and July (7.1mph).
Average humidity in September
North Ironwood, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
North Ironwood, MI
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is April (2.8").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in September
North Ironwood, MI
- Average rainfall days in September: 14.4 days
The month with the highest number of rainy days is June (15 days).
The months with the least rainy days are January and February (2.4 days).
Average snowfall in September
North Ironwood, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (13.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
North Ironwood, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (25.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
North Ironwood, 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: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
North Ironwood, MI
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is August (14.2 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in September
North Ironwood, 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, November and December (UV index 1).
Average cloud cover in September
North Ironwood, MI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
North Ironwood, 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 and February (4mi).





