Weather on September 12 at Lake Clark
Lake Clark National Park and Preserve
Based on 29 years of data from Anchorage, AK
Planning Your Visit
September 12th in Lake Clark National Park (via Anchorage, AK) typically brings cool fall weather, with average highs around 58°F and lows near 46°F. Over 29 years of records, the warmest September 12th was in 2016 (62°F average), while the coldest was 1972 (45°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 69% of September 12th dates historically, with the wettest September 12th recording 2.46" 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 Lake Clark? 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 | 49°F | 43°F | 1.68" | -- |
| 2024 | 52°F | 49°F | 2.46" | -- |
| 2023 | 57°F | 42°F | 0" | -- |
| 2022 | 60°F | 50°F | 1.04" | -- |
| 2021 | 57°F | 42°F | 0.15" | -- |
| 2020 | 58°F | 34°F | 0" | -- |
| 2019 | 57°F | 51°F | -- | -- |
| 2018 | 68°F | 44°F | 0" | -- |
| 2017 | 57°F | 39°F | 0" | -- |
| 2016 | 69°F | 55°F | 0.76" | -- |
| 2015 | 52°F | 43°F | 0.91" | -- |
| 2014 | 59°F | 53°F | 0.81" | -- |
| 2013 | 63°F | 48°F | 0.18" | -- |
| 2012 | 51°F | 44°F | 1.07" | -- |
| 2011 | 54°F | 49°F | 0.18" | -- |
| 2010 | 67°F | 43°F | 0" | -- |
| 2009 | 55°F | 51°F | 0.25" | -- |
| 2008 | 56°F | 50°F | 0.46" | -- |
| 2007 | 54°F | 50°F | 1.12" | -- |
| 2006 | 61°F | 42°F | 0" | -- |
| 2005 | 59°F | 51°F | 0.79" | -- |
| 2004 | 61°F | 41°F | 1.14" | -- |
| 2003 | 63°F | 41°F | 0" | 0" |
| 2002 | 58°F | 50°F | 0.05" | 0" |
| 2001 | 55°F | 45°F | 0" | -- |
| 2000 | 56°F | 45°F | 0.36" | 0" |
| 1999 | 54°F | 46°F | 0.08" | 0" |
| 1998 | 61°F | 47°F | 0.23" | 0" |
| 1972 | 53°F | 38°F | 0.13" | -- |