Weather on September 27 at Acadia
Acadia National Park
Based on 53 years of data from Bar Harbor, ME
Planning Your Visit
September 27th in Acadia National Park (via Bar Harbor, ME) typically brings mild fall weather, with average highs around 67°F and lows near 49°F. Over 53 years of records, the warmest September 27th was in 2007 (73°F average), while the coldest was 1984 (47°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 32% of September 27th dates historically, with the wettest September 27th recording 4.32" of rain. The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.4°F warmer on this date compared to 20-30 years ago.
Planning for September 27th in Acadia? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 73°F | 54°F | -- | -- |
| 2024 | 70°F | 55°F | -- | -- |
| 2023 | 68°F | 51°F | -- | -- |
| 2022 | 68°F | 53°F | -- | -- |
| 2021 | 68°F | 48°F | -- | -- |
| 2020 | 72°F | 57°F | -- | -- |
| 2019 | 68°F | 49°F | -- | -- |
| 2018 | 66°F | 52°F | -- | -- |
| 2017 | 80°F | 61°F | -- | -- |
| 2016 | 61°F | 50°F | -- | -- |
| 2015 | 65°F | 43°F | -- | -- |
| 2014 | 81°F | 57°F | -- | -- |
| 2013 | 70°F | 51°F | -- | -- |
| 2012 | 63°F | 53°F | 0" | -- |
| 2011 | 80°F | 57°F | 0" | -- |
| 2010 | 56°F | 51°F | 0" | 0" |
| 2009 | 58°F | 44°F | 0" | 0" |
| 2008 | 63°F | 56°F | 4.14" | 0" |
| 2007 | 80°F | 66°F | 0.51" | 0" |
| 2006 | 66°F | 48°F | 0" | 0" |
| 2005 | 65°F | 53°F | 2.31" | 0" |
| 2004 | 71°F | 53°F | 0.03" | 0" |
| 2003 | 73°F | 59°F | 0" | 0" |
| 2002 | 57°F | 54°F | -- | -- |
| 1999 | 68°F | 43°F | 0" | 0" |
| 1998 | 70°F | 55°F | 0.71" | 0" |
| 1997 | 65°F | 38°F | 0" | 0" |
| 1996 | 63°F | 39°F | 0" | 0" |
| 1995 | 62°F | 42°F | 0" | 0" |
| 1994 | 68°F | 51°F | 0.03" | 0" |
| 1993 | 70°F | 48°F | 1.24" | 0" |
| 1992 | 67°F | 54°F | 1.3" | 0" |
| 1991 | 62°F | 46°F | 0.71" | 0" |
| 1990 | 72°F | 53°F | 0.05" | 0" |
| 1989 | 61°F | 35°F | 0.18" | 0" |
| 1988 | 67°F | 39°F | 0" | 0" |
| 1987 | 60°F | 34°F | 0" | 0" |
| 1986 | 61°F | 36°F | 0" | 0" |
| 1985 | 67°F | 50°F | 0.28" | 0" |
| 1984 | 60°F | 34°F | 0" | 0" |
| 1983 | 69°F | 52°F | 0" | 0" |
| 1982 | 67°F | 51°F | 0" | 0" |
| 1981 | 65°F | 49°F | 0" | 0" |
| 1980 | 59°F | 42°F | 0.13" | 0" |
| 1979 | 67°F | -- | 0" | 0" |
| 1978 | 60°F | 39°F | 0" | 0" |
| 1977 | 68°F | 48°F | 4.32" | 0" |
| 1976 | 66°F | 51°F | 1.02" | 0" |
| 1975 | 62°F | 55°F | 1.27" | 0" |
| 1974 | 64°F | 45°F | 0" | 0" |
| 1973 | 67°F | 50°F | 0" | 0" |
| 1972 | 78°F | 63°F | 0.74" | 0" |
| 1971 | 63°F | 39°F | 0" | 0" |