Weather on September 17 at Katmai
Katmai National Park and Preserve
Based on 29 years of data from Anchorage, AK
Planning Your Visit
September 17th in Katmai National Park (via Anchorage, AK) typically brings cool fall weather, with average highs around 57°F and lows near 43°F. Over 29 years of records, the warmest September 17th was in 1999 (56°F average), while the coldest was 2004 (38°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 48% of September 17th dates historically, with the wettest September 17th recording 1.3" of rain. The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.9°F warmer on this date compared to 20-30 years ago.
Planning for September 17th in Katmai? 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 | 62°F | 39°F | 0" | -- |
| 2024 | 53°F | 40°F | 0.15" | -- |
| 2023 | 54°F | 46°F | 0.05" | -- |
| 2022 | 61°F | 50°F | 0" | -- |
| 2021 | 56°F | 45°F | 0" | -- |
| 2020 | 61°F | 49°F | 1.3" | -- |
| 2019 | 61°F | 50°F | 0" | -- |
| 2018 | 66°F | 47°F | 0" | -- |
| 2017 | 59°F | 45°F | 0.03" | -- |
| 2016 | 58°F | 42°F | 0.33" | -- |
| 2015 | 47°F | 41°F | 1.3" | -- |
| 2014 | 54°F | 47°F | 0.03" | -- |
| 2013 | 53°F | 47°F | 0" | -- |
| 2012 | 60°F | 47°F | 0.69" | -- |
| 2011 | 58°F | 44°F | 0" | -- |
| 2010 | 53°F | 45°F | -- | -- |
| 2009 | 59°F | 47°F | 0.05" | -- |
| 2008 | 57°F | 46°F | 0.69" | -- |
| 2007 | 55°F | 33°F | 0" | -- |
| 2006 | 59°F | 41°F | 0" | -- |
| 2005 | 55°F | 49°F | 0.97" | -- |
| 2004 | 49°F | 28°F | 0" | -- |
| 2003 | 56°F | 30°F | 0" | -- |
| 2002 | 55°F | 45°F | 0" | 0" |
| 2001 | 61°F | 48°F | 0.03" | 0" |
| 2000 | 57°F | 32°F | 0" | 0" |
| 1999 | 65°F | 48°F | 0.13" | 0" |
| 1998 | 59°F | 50°F | 0.03" | 0" |
| 1971 | 57°F | 39°F | 0" | 0" |