Weather on September 19 at Acadia
Acadia National Park
Based on 53 years of data from Bar Harbor, ME
Planning Your Visit
September 19th in Acadia National Park (via Bar Harbor, ME) typically brings mild fall weather, with average highs around 68°F and lows near 50°F. Over 53 years of records, the warmest September 19th was in 1992 (70°F average), while the coldest was 2014 (46°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 19th dates historically, with the wettest September 19th recording 4.09" of rain. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for September 19th in Acadia? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 76°F | 50°F | -- | -- |
| 2024 | 76°F | 60°F | -- | -- |
| 2023 | 70°F | 56°F | -- | -- |
| 2022 | 62°F | 49°F | -- | -- |
| 2021 | 69°F | 51°F | -- | -- |
| 2020 | 61°F | 40°F | -- | -- |
| 2019 | 68°F | 46°F | -- | -- |
| 2018 | 59°F | 52°F | -- | -- |
| 2017 | 64°F | 58°F | -- | -- |
| 2016 | 73°F | 60°F | -- | -- |
| 2015 | 76°F | 62°F | -- | -- |
| 2014 | 57°F | 36°F | -- | -- |
| 2013 | 76°F | 52°F | -- | -- |
| 2012 | 67°F | 61°F | 1.12" | -- |
| 2011 | 64°F | 49°F | 0" | -- |
| 2010 | 67°F | 48°F | 0" | 0" |
| 2009 | 63°F | 50°F | 0" | 0" |
| 2008 | 61°F | 38°F | 0" | 0" |
| 2007 | 67°F | 49°F | 0" | 0" |
| 2006 | 77°F | 60°F | 0" | 0" |
| 2005 | 71°F | 56°F | 0.05" | 0" |
| 2004 | 54°F | 42°F | 0.25" | 0" |
| 2003 | 76°F | 55°F | 0" | 0" |
| 2002 | 73°F | 52°F | 0" | 0" |
| 1999 | 70°F | 45°F | 0" | 0" |
| 1998 | 67°F | 45°F | 0" | 0" |
| 1997 | 75°F | 49°F | 0" | 0" |
| 1996 | 58°F | 49°F | 1.6" | 0" |
| 1995 | 66°F | 38°F | 0" | 0" |
| 1994 | 63°F | 39°F | 0" | 0" |
| 1993 | 61°F | 52°F | 0" | 0" |
| 1992 | 81°F | 59°F | 0.28" | 0" |
| 1991 | 75°F | 51°F | 0.18" | 0" |
| 1990 | 74°F | 35°F | 0" | 0" |
| 1989 | 69°F | 49°F | 0" | 0" |
| 1988 | 70°F | 54°F | 0.03" | 0" |
| 1987 | 62°F | 47°F | 0" | 0" |
| 1986 | 70°F | 49°F | 0" | 0" |
| 1985 | 79°F | 54°F | 0" | 0" |
| 1984 | 68°F | 48°F | 0" | 0" |
| 1983 | 71°F | 53°F | 0.99" | 0" |
| 1982 | 63°F | 46°F | 0" | 0" |
| 1981 | 64°F | 52°F | 4.09" | 0" |
| 1980 | 63°F | 43°F | 0" | 0" |
| 1979 | 69°F | -- | 0.58" | 0" |
| 1978 | 67°F | 40°F | 0" | 0" |
| 1977 | 67°F | 52°F | 0.28" | 0" |
| 1976 | 70°F | 58°F | 0.03" | 0" |
| 1975 | 62°F | 50°F | 0" | 0" |
| 1974 | 64°F | 42°F | 0" | 0" |
| 1973 | 63°F | 47°F | 3.05" | 0" |
| 1972 | 72°F | 53°F | 0" | 0" |
| 1971 | 66°F | 47°F | 0" | 0" |