Weather on September 10 at Isle Royale
Isle Royale National Park
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
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 69°F | 54°F | 0" | -- |
| 2024 | 78°F | 53°F | 0" | -- |
| 2023 | 66°F | 54°F | 0.03" | -- |
| 2022 | 67°F | 55°F | 0.05" | -- |
| 2021 | 75°F | 45°F | 0" | -- |
| 2020 | 60°F | 38°F | 0" | -- |
| 2019 | 70°F | 54°F | 0.64" | -- |
| 2018 | 72°F | 47°F | 0" | -- |
| 2017 | 73°F | 50°F | 0" | -- |
| 2016 | 64°F | 48°F | 1.78" | -- |
| 2015 | 62°F | 48°F | 0.08" | -- |
| 2014 | 52°F | 40°F | 5.38" | -- |
| 2013 | 70°F | 62°F | 0.05" | -- |
| 2012 | 75°F | 37°F | 0" | -- |
| 2011 | 81°F | 52°F | 0" | -- |
| 2010 | 62°F | 40°F | 0" | -- |
| 2009 | 80°F | 55°F | 0" | -- |
| 2008 | 69°F | 39°F | 0" | -- |
| 2007 | 60°F | 40°F | 0" | -- |
| 2006 | 60°F | 32°F | 0" | -- |
| 2005 | 87°F | 64°F | 0.03" | -- |
| 2004 | 80°F | 50°F | 0" | -- |
| 2003 | 80°F | 64°F | 0" | -- |
| 2002 | 81°F | 56°F | 2.34" | 0" |
| 2001 | 64°F | 53°F | 1.6" | 0" |
| 2000 | 80°F | 60°F | 0.3" | 0" |
| 1999 | 61°F | 48°F | 1.55" | 0" |
| 1998 | 89°F | 50°F | 0" | 0" |
| 1997 | 67°F | 52°F | 0" | 0" |
| 1996 | 72°F | 51°F | 0.48" | 0" |
| 1995 | 68°F | 34°F | 0" | 0" |
| 1994 | 69°F | 48°F | 0" | 0" |
| 1993 | 53°F | 44°F | 0" | 0" |
| 1992 | 55°F | 41°F | 0.03" | 0" |
| 1991 | 64°F | 46°F | 0" | 0" |
| 1990 | 63°F | 45°F | 0" | 0" |
| 1989 | 59°F | 50°F | 0" | 0" |
| 1988 | 64°F | 48°F | 0" | 0" |
| 1983 | 70°F | 58°F | 1.27" | 0" |
| 1981 | 70°F | 55°F | 0" | 0" |
| 1980 | 68°F | 48°F | 0" | 0" |
| 1979 | 63°F | 48°F | 1.4" | 0" |
| 1978 | 70°F | 54°F | 5.44" | 0" |
| 1977 | 58°F | 48°F | 0" | 0" |
| 1976 | 69°F | 44°F | 0" | 0" |
| 1975 | 67°F | 52°F | 0.71" | 0" |
| 1974 | 60°F | 43°F | 0.05" | 0" |
| 1973 | 70°F | 58°F | 0" | 0" |
| 1972 | 69°F | 52°F | 0.25" | 0" |
| 1971 | 64°F | 56°F | 0.84" | 0" |