Weather on September 10 at Isle Royale

Isle Royale National Park

MIMidwest800 ft elevation
Avg High68°F
Avg Low49°F
Warmest200576°F
Coldest200646°F

Based on 50 years of data from Houghton, MI

Planning Your Visit

September 10th in Isle Royale National Park (via Houghton, MI) typically brings mild fall weather, with average highs around 68°F and lows near 49°F. Over 50 years of records, the warmest September 10th was in 2005 (76°F average), while the coldest was 2006 (46°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 42% of September 10th dates historically, with the wettest September 10th recording 5.44" of rain. The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.

The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.

Planning for September 10th in Isle Royale? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202569°F54°F0"--
202478°F53°F0"--
202366°F54°F0.03"--
202267°F55°F0.05"--
202175°F45°F0"--
202060°F38°F0"--
201970°F54°F0.64"--
201872°F47°F0"--
201773°F50°F0"--
201664°F48°F1.78"--
201562°F48°F0.08"--
201452°F40°F5.38"--
201370°F62°F0.05"--
201275°F37°F0"--
201181°F52°F0"--
201062°F40°F0"--
200980°F55°F0"--
200869°F39°F0"--
200760°F40°F0"--
200660°F32°F0"--
200587°F64°F0.03"--
200480°F50°F0"--
200380°F64°F0"--
200281°F56°F2.34"0"
200164°F53°F1.6"0"
200080°F60°F0.3"0"
199961°F48°F1.55"0"
199889°F50°F0"0"
199767°F52°F0"0"
199672°F51°F0.48"0"
199568°F34°F0"0"
199469°F48°F0"0"
199353°F44°F0"0"
199255°F41°F0.03"0"
199164°F46°F0"0"
199063°F45°F0"0"
198959°F50°F0"0"
198864°F48°F0"0"
198370°F58°F1.27"0"
198170°F55°F0"0"
198068°F48°F0"0"
197963°F48°F1.4"0"
197870°F54°F5.44"0"
197758°F48°F0"0"
197669°F44°F0"0"
197567°F52°F0.71"0"
197460°F43°F0.05"0"
197370°F58°F0"0"
197269°F52°F0.25"0"
197164°F56°F0.84"0"

September 10 at Nearby Parks

Holiday Weather at Isle Royale

Official NPS WebsiteVisit nps.gov/isro for park information, alerts, and reservations

Explore More at Isle Royale

See historical weather for other dates

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