Weather on September 19 at Lake Clark
Lake Clark National Park and Preserve
Based on 29 years of data from Anchorage, AK
Planning Your Visit
September 19th in Lake Clark National Park (via Anchorage, AK) typically brings cool fall weather, with average highs around 56°F and lows near 42°F. Over 29 years of records, the warmest September 19th was in 2018 (56°F average), while the coldest was 2003 (40°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 45% of September 19th dates historically, with the wettest September 19th recording 2.34" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for September 19th 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 | 56°F | 47°F | 0.18" | -- |
| 2024 | 59°F | 38°F | 0" | -- |
| 2023 | 54°F | 32°F | 0" | -- |
| 2022 | 55°F | 48°F | 1.42" | -- |
| 2021 | 58°F | 31°F | 0" | -- |
| 2020 | 58°F | 42°F | 0.23" | -- |
| 2019 | 60°F | 51°F | -- | -- |
| 2018 | 62°F | 50°F | 0" | -- |
| 2017 | 58°F | 39°F | 0" | -- |
| 2016 | 60°F | 38°F | 0" | -- |
| 2015 | 53°F | 32°F | 0" | -- |
| 2014 | 53°F | 50°F | 1.45" | -- |
| 2013 | 51°F | 39°F | 0.28" | -- |
| 2012 | 62°F | 45°F | 2.34" | -- |
| 2011 | 52°F | 43°F | 0.13" | -- |
| 2010 | 63°F | 40°F | 0" | -- |
| 2009 | 60°F | 46°F | 0" | -- |
| 2008 | 54°F | 43°F | 0.03" | -- |
| 2007 | 55°F | 46°F | 1.45" | -- |
| 2006 | 53°F | 47°F | 0" | -- |
| 2005 | 60°F | 45°F | 0" | -- |
| 2004 | 43°F | 40°F | 0.81" | -- |
| 2003 | 52°F | 29°F | 0" | 0" |
| 2002 | 51°F | 37°F | 0" | 0" |
| 2001 | 57°F | 51°F | 0" | 0" |
| 2000 | 57°F | 32°F | 0" | 0" |
| 1999 | 53°F | 45°F | 0.58" | 0" |
| 1998 | 57°F | 49°F | 0.03" | 0" |
| 1971 | 56°F | 43°F | 0.15" | 0" |