September weather forecast
North Ironwood, MI

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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.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for North Ironwood in September?

The high-temperature, in September, in North Ironwood, records 65.7°F (18.7°C), while the low-temperature is 50.5°F (10.3°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How much does it rain in September?

In September, the rain falls for 14.4 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

In North Ironwood, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does North Ironwood have in September?

In September, the average day length is 12h and 32min.

What time are sunrise and sunset in September?

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.

How many hours of sunshine does North Ironwood have in September?

In September, the average sunshine duration is 8.2h.

What is the UV index reading in September?

In North Ironwood, Michigan, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
North Ironwood, MI

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - North Ironwood, 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: 8h and 1min

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 - 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 - 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 - 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 - 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).

North Ironwood, Michigan, USA

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