Weather on September 30 at Katmai
Katmai National Park and Preserve
Based on 29 years of data from Anchorage, AK
Planning Your Visit
September 30th in Katmai National Park (via Anchorage, AK) typically brings cool fall weather, with average highs around 51°F and lows near 36°F. Over 29 years of records, the warmest September 30th was in 2003 (54°F average), while the coldest was 2021 (36°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 38% of September 30th dates historically, with the wettest September 30th recording 2.11" 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 30th 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 | 55°F | 35°F | 0" | -- |
| 2024 | 55°F | 32°F | 0" | -- |
| 2023 | 46°F | 32°F | 0" | -- |
| 2022 | 55°F | 46°F | 0.23" | -- |
| 2021 | 47°F | 25°F | 0" | -- |
| 2020 | 58°F | 46°F | 0.36" | -- |
| 2019 | 51°F | 46°F | 0.1" | -- |
| 2018 | 57°F | 38°F | 0" | -- |
| 2017 | 54°F | 35°F | 0" | -- |
| 2016 | 55°F | 31°F | 0" | -- |
| 2015 | 45°F | 33°F | 0.05" | -- |
| 2014 | 51°F | 31°F | 0" | -- |
| 2013 | 55°F | 30°F | 0" | -- |
| 2012 | 46°F | 29°F | 0" | -- |
| 2011 | 50°F | 39°F | 0" | -- |
| 2010 | 51°F | 42°F | 0" | -- |
| 2009 | 50°F | 39°F | 0" | -- |
| 2008 | 50°F | 32°F | 0" | -- |
| 2007 | 48°F | 44°F | 1.09" | -- |
| 2006 | 48°F | 30°F | 0" | -- |
| 2005 | 51°F | 43°F | 0.05" | -- |
| 2004 | 45°F | 36°F | 2.11" | -- |
| 2003 | 58°F | 51°F | 1.65" | -- |
| 2002 | 49°F | 38°F | 0.86" | 0" |
| 2001 | 56°F | 33°F | 0" | 0" |
| 2000 | 48°F | 26°F | 0" | 0" |
| 1999 | 46°F | 39°F | 1.7" | 0" |
| 1998 | 53°F | 38°F | 0" | 0" |
| 1971 | 45°F | 38°F | 0.13" | 0" |