Weather on September 11 at Katmai
Katmai National Park and Preserve
Based on 30 years of data from Anchorage, AK
Planning Your Visit
September 11th in Katmai National Park (via Anchorage, AK) typically brings mild fall weather, with average highs around 60°F and lows near 43°F. Over 30 years of records, the warmest September 11th was in 2009 (59°F average), while the coldest was 2012 (44°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 50% of September 11th dates historically, with the wettest September 11th recording 2.16" 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 11th in Katmai? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 53°F | 47°F | 1.12" | -- |
| 2024 | 54°F | 50°F | 0.99" | -- |
| 2023 | 57°F | 44°F | 0.36" | -- |
| 2022 | 56°F | 48°F | 0.53" | -- |
| 2021 | 60°F | 41°F | 0" | -- |
| 2020 | 59°F | 32°F | 0" | -- |
| 2019 | 64°F | 48°F | -- | -- |
| 2018 | 69°F | 40°F | 0" | -- |
| 2017 | 59°F | 45°F | 0" | -- |
| 2016 | 63°F | 48°F | 0.89" | -- |
| 2015 | 55°F | 43°F | 0.23" | -- |
| 2014 | 66°F | 43°F | 0.03" | -- |
| 2013 | 61°F | 50°F | 2.16" | -- |
| 2012 | 56°F | 32°F | 0" | -- |
| 2011 | 61°F | 42°F | 0" | -- |
| 2010 | 64°F | 45°F | 0" | -- |
| 2009 | 67°F | 51°F | 0.08" | -- |
| 2008 | 57°F | 42°F | 0.05" | -- |
| 2007 | 60°F | 43°F | 0.13" | -- |
| 2006 | 63°F | 47°F | 0.05" | -- |
| 2005 | 64°F | 43°F | 0" | -- |
| 2004 | 59°F | 39°F | 0" | -- |
| 2003 | 66°F | 39°F | 0" | -- |
| 2002 | 54°F | 43°F | 0.1" | 0" |
| 2001 | 62°F | 38°F | 0" | -- |
| 2000 | 58°F | 44°F | 0.1" | -- |
| 1999 | 64°F | 47°F | 0" | 0" |
| 1998 | 64°F | 43°F | 0" | 0" |
| 1972 | 55°F | 47°F | 1.52" | -- |
| 1971 | 60°F | 37°F | 0" | 0" |