Weather on September 12 at Glacier Bay
Glacier Bay National Park and Preserve
Based on 55 years of data from Juneau, AK
Planning Your Visit
September 12th in Glacier Bay National Park (via Juneau, AK) typically brings cool fall weather, with average highs around 58°F and lows near 45°F. Over 55 years of records, the warmest September 12th was in 1997 (59°F average), while the coldest was 1992 (39°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 71% of September 12th dates historically, with the wettest September 12th recording 3.45" 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 12th in Glacier Bay? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 60°F | 50°F | 0.74" | 0" |
| 2024 | 54°F | 48°F | 0.76" | 0" |
| 2023 | 57°F | 49°F | 3.45" | 0" |
| 2022 | 61°F | 40°F | 0" | 0" |
| 2021 | 58°F | 51°F | 0.46" | 0" |
| 2020 | 62°F | 35°F | 0" | 0" |
| 2019 | 61°F | 50°F | 0.13" | 0" |
| 2018 | 66°F | 39°F | 0" | 0" |
| 2017 | 58°F | 43°F | 0" | 0" |
| 2016 | 56°F | 48°F | 0.76" | 0" |
| 2015 | 54°F | 48°F | 0.36" | 0" |
| 2014 | 57°F | 49°F | 0.1" | 0" |
| 2013 | 62°F | 50°F | 0.15" | 0" |
| 2012 | 55°F | 46°F | 1.8" | 0" |
| 2011 | 65°F | 37°F | 0" | 0" |
| 2010 | 68°F | 38°F | 0" | 0" |
| 2009 | 52°F | 39°F | 2.62" | 0" |
| 2008 | 51°F | 48°F | 0.25" | 0" |
| 2007 | 60°F | 41°F | 0" | 0" |
| 2006 | 54°F | 43°F | 0" | 0" |
| 2005 | 57°F | 50°F | 0.86" | 0" |
| 2004 | 52°F | 48°F | 1.45" | 0" |
| 2003 | 55°F | 50°F | 0.94" | 0" |
| 2002 | 58°F | 42°F | 0.08" | 0" |
| 2001 | 53°F | 49°F | 2.18" | 0" |
| 2000 | 54°F | 48°F | 0.56" | 0" |
| 1999 | 55°F | 46°F | 0.41" | 0" |
| 1998 | 51°F | 47°F | 0.64" | 0" |
| 1997 | 70°F | 48°F | 0" | 0" |
| 1996 | 58°F | 49°F | 0.86" | 0" |
| 1995 | 56°F | 50°F | 0.18" | 0" |
| 1994 | 54°F | 49°F | 1.35" | 0" |
| 1993 | 52°F | 49°F | 0.97" | 0" |
| 1992 | 49°F | 30°F | 0.15" | 0" |
| 1991 | 54°F | 47°F | 0.13" | 0" |
| 1990 | 54°F | 48°F | 0.3" | 0" |
| 1989 | 64°F | 50°F | 0.03" | 0" |
| 1988 | 52°F | 44°F | 1.14" | 0" |
| 1987 | 52°F | 45°F | 0.43" | 0" |
| 1986 | 62°F | 39°F | 0" | 0" |
| 1985 | 64°F | 40°F | 0" | 0" |
| 1984 | 62°F | 42°F | 0" | 0" |
| 1983 | 53°F | 46°F | 0.64" | 0" |
| 1982 | 63°F | 42°F | 0" | 0" |
| 1981 | 52°F | 47°F | 0.38" | 0" |
| 1980 | 63°F | 32°F | 0" | 0" |
| 1979 | 57°F | 51°F | 2.03" | 0" |
| 1978 | 59°F | 52°F | 0.23" | 0" |
| 1977 | 60°F | 52°F | 2.11" | 0" |
| 1976 | 56°F | 34°F | 0" | 0" |
| 1975 | 64°F | 52°F | 0.18" | 0" |
| 1974 | 56°F | 51°F | 0.94" | 0" |
| 1973 | 63°F | 35°F | 0" | 0" |
| 1972 | 60°F | 49°F | 0.1" | 0" |
| 1971 | 56°F | 42°F | 0.48" | 0" |