Iron Mountain Weather in September

Thinking of visiting Iron Mountain in September? Expect pleasant temperatures reaching 21°C (70°F) during the day, dropping to 8°C (46°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Iron Mountain in September

Climate statistics over the past 30 years suggest around 11 days of rain, with 87 mm (3.4 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Iron Mountain in September

September in Iron Mountain is generally excellent, with days reaching 21°C (70°F) and nights settling around 8°C (46°F). Conditions are often most pleasant around the middle of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Iron Mountain's climate page.

Iron Mountain Temperature in September

Min Temperature 8°C (46°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 38%  

Precipitation 87 mm (3.4 in)  

Rainy days 11 days  

What to Wear in Iron Mountain in September

For Iron Mountain in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Iron Mountain in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Iron Mountain's climate page.

More climate data for Iron Mountain

Temperature Rainfall

See the full Iron Mountain climate overview or explore weather in the United States of America.