Weather on September 18 at Voyageurs
Voyageurs National Park
Based on 55 years of data from International Falls, MN
Elevation Note: Voyageurs sits at 1,200 ft. Expect temperatures 4°F cooler than the data shown below, which comes from International Falls, MN at a lower elevation.
Planning Your Visit
September 18th in Voyageurs National Park (via International Falls, MN) typically brings mild fall weather, with average highs around 66°F and lows near 44°F. Over 55 years of records, the warmest September 18th was in 2024 (77°F average), while the coldest was 1991 (36°F) — a 41°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 18th dates historically, with the wettest September 18th recording 4.32" of rain. The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.5°F cooler on this date compared to 20-30 years ago.
Planning for September 18th in Voyageurs? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 65°F | 56°F | -- | -- |
| 2024 | 87°F | 67°F | -- | -- |
| 2023 | 73°F | 46°F | -- | -- |
| 2022 | 69°F | 57°F | -- | -- |
| 2021 | 74°F | 42°F | -- | -- |
| 2020 | 62°F | 27°F | -- | -- |
| 2019 | 75°F | 62°F | 1.78" | 0" |
| 2018 | 63°F | 38°F | 0" | 0" |
| 2017 | 65°F | 41°F | -- | -- |
| 2016 | 71°F | 47°F | -- | -- |
| 2015 | 66°F | 46°F | -- | -- |
| 2014 | 62°F | 40°F | -- | -- |
| 2013 | 68°F | 30°F | 0" | 0" |
| 2012 | 55°F | 26°F | 0" | 0" |
| 2011 | 57°F | 34°F | 0" | 0" |
| 2010 | 57°F | 34°F | 0" | 0" |
| 2009 | 74°F | 44°F | 0" | 0" |
| 2008 | 61°F | 36°F | 0" | 0" |
| 2007 | 68°F | 56°F | -- | -- |
| 2006 | 52°F | 40°F | -- | -- |
| 2005 | 65°F | 51°F | -- | -- |
| 2004 | 76°F | 45°F | -- | -- |
| 2003 | 69°F | 49°F | -- | -- |
| 2002 | 78°F | 57°F | 0" | -- |
| 2001 | 69°F | 50°F | 0" | 0" |
| 2000 | 82°F | 49°F | 0.1" | 0" |
| 1999 | 67°F | 49°F | 0" | 0" |
| 1998 | 84°F | 57°F | -- | -- |
| 1997 | 63°F | 45°F | 0" | 0" |
| 1996 | 71°F | 40°F | 0" | 0" |
| 1995 | 61°F | 34°F | 0.84" | 0" |
| 1994 | 77°F | 46°F | 0" | 0" |
| 1993 | 57°F | 34°F | 0" | 0" |
| 1992 | 51°F | 34°F | 0.1" | 0" |
| 1991 | 41°F | 30°F | 0.18" | 0" |
| 1990 | 56°F | 47°F | 0.48" | 0" |
| 1989 | 83°F | 63°F | 0" | 0" |
| 1988 | 68°F | 52°F | 4.32" | 0" |
| 1987 | 58°F | 50°F | 0.66" | 0" |
| 1986 | 59°F | 40°F | 0" | 0" |
| 1985 | 72°F | 48°F | 0.03" | 0" |
| 1984 | 75°F | 44°F | 0" | 0" |
| 1983 | 55°F | 43°F | 0" | 0" |
| 1982 | 69°F | 31°F | 0" | 0" |
| 1981 | 74°F | 41°F | 0" | 0" |
| 1980 | 52°F | 34°F | 0" | 0" |
| 1979 | 53°F | 39°F | 0" | 0" |
| 1978 | 61°F | 49°F | 0" | 0" |
| 1977 | 57°F | 52°F | 3.73" | 0" |
| 1976 | 82°F | 53°F | 0" | 0" |
| 1975 | 63°F | 45°F | 0.69" | 0" |
| 1974 | 67°F | 39°F | 0" | 0" |
| 1973 | 67°F | 36°F | 0" | 0" |
| 1972 | 68°F | 41°F | 0" | 0" |
| 1971 | 54°F | 33°F | 0" | 0" |