Weather on September 25 at Acadia
Acadia National Park
Based on 53 years of data from Bar Harbor, ME
Planning Your Visit
September 25th in Acadia National Park (via Bar Harbor, ME) typically brings mild fall weather, with average highs around 66°F and lows near 47°F. Over 53 years of records, the warmest September 25th was in 2017 (74°F average), while the coldest was 1974 (46°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 25th dates historically, with the wettest September 25th recording 5.03" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for September 25th in Acadia? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 65°F | 54°F | -- | -- |
| 2024 | 65°F | 51°F | -- | -- |
| 2023 | 67°F | 50°F | -- | -- |
| 2022 | 68°F | 47°F | -- | -- |
| 2021 | 69°F | 64°F | -- | -- |
| 2020 | 69°F | 50°F | -- | -- |
| 2019 | 61°F | 50°F | -- | -- |
| 2018 | 59°F | 43°F | -- | -- |
| 2017 | 84°F | 64°F | -- | -- |
| 2016 | 57°F | 39°F | -- | -- |
| 2015 | 60°F | 46°F | -- | -- |
| 2014 | 67°F | 46°F | -- | -- |
| 2013 | 58°F | 47°F | -- | -- |
| 2012 | 64°F | 45°F | 0.03" | -- |
| 2011 | 81°F | 62°F | 0.08" | -- |
| 2010 | 78°F | 56°F | 0.1" | 0" |
| 2009 | 68°F | 49°F | 0" | 0" |
| 2008 | 67°F | 37°F | 0" | 0" |
| 2007 | 81°F | 60°F | 0" | 0" |
| 2006 | 63°F | 46°F | 1.07" | 0" |
| 2005 | 68°F | 51°F | 0" | 0" |
| 2004 | 71°F | 57°F | 0" | 0" |
| 2003 | 70°F | 56°F | 0" | 0" |
| 2002 | 69°F | 49°F | 0" | 0" |
| 2001 | 71°F | 51°F | 0.08" | 0" |
| 1999 | 71°F | 56°F | 0.15" | 0" |
| 1998 | 65°F | 43°F | 0" | 0" |
| 1997 | 59°F | 37°F | 0" | 0" |
| 1996 | 59°F | 44°F | 1.4" | 0" |
| 1995 | 67°F | 35°F | 0" | 0" |
| 1993 | 67°F | 41°F | 0" | 0" |
| 1992 | 63°F | 37°F | 0" | 0" |
| 1991 | 67°F | 47°F | 5.03" | 0" |
| 1990 | 61°F | 41°F | 0" | 0" |
| 1989 | 59°F | 35°F | 0" | 0" |
| 1988 | 68°F | 40°F | 0" | 0" |
| 1987 | 63°F | 37°F | 0" | 0" |
| 1986 | 65°F | 49°F | 0.13" | 0" |
| 1985 | 70°F | 56°F | 2.18" | 0" |
| 1984 | 80°F | 55°F | 0" | 0" |
| 1983 | 65°F | 43°F | 0" | 0" |
| 1982 | 70°F | 51°F | 0" | 0" |
| 1981 | 65°F | 45°F | 2.79" | 0" |
| 1980 | 57°F | 40°F | 0" | 0" |
| 1979 | 61°F | 38°F | 0" | 0" |
| 1978 | 66°F | 48°F | 0" | 0" |
| 1977 | 56°F | 37°F | 0" | 0" |
| 1976 | 61°F | 40°F | 0" | 0" |
| 1975 | 58°F | 48°F | 0.1" | 0" |
| 1974 | 57°F | 35°F | 0.94" | 0" |
| 1973 | 65°F | 40°F | 0" | 0" |
| 1972 | 67°F | 52°F | 0" | 0" |
| 1971 | 61°F | 42°F | 0" | 0" |