Weather on September 23 at Katmai
Katmai National Park and Preserve
Based on 29 years of data from Anchorage, AK
Planning Your Visit
September 23rd in Katmai National Park (via Anchorage, AK) typically brings cool fall weather, with average highs around 53°F and lows near 41°F. Over 29 years of records, the warmest September 23rd was in 2005 (56°F average), while the coldest was 2013 (38°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 59% of September 23rd dates historically, with the wettest September 23rd recording 1.12" 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 23rd 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 | 47°F | 41°F | 0.03" | -- |
| 2024 | 51°F | 41°F | 0.48" | -- |
| 2023 | 53°F | 44°F | 0" | -- |
| 2022 | 53°F | 42°F | 0.79" | -- |
| 2021 | 46°F | 37°F | 0.89" | -- |
| 2020 | 56°F | 44°F | 0.03" | -- |
| 2019 | 57°F | 35°F | 0" | -- |
| 2018 | 60°F | 49°F | 0.05" | -- |
| 2017 | 54°F | 47°F | 0.23" | -- |
| 2016 | 59°F | 47°F | 0.03" | -- |
| 2015 | 50°F | 27°F | 0" | -- |
| 2014 | 56°F | 38°F | 0" | -- |
| 2013 | 44°F | 32°F | 0.15" | -- |
| 2012 | 54°F | 48°F | 0.36" | -- |
| 2011 | 53°F | 40°F | 0" | -- |
| 2010 | 59°F | 37°F | 0" | -- |
| 2009 | 48°F | 33°F | 0" | -- |
| 2008 | 47°F | 37°F | 0.36" | -- |
| 2007 | 56°F | 45°F | 0" | -- |
| 2006 | 54°F | 44°F | 0.15" | -- |
| 2005 | 60°F | 52°F | 0.81" | -- |
| 2004 | 47°F | 37°F | 0.05" | -- |
| 2003 | 51°F | 30°F | 0" | -- |
| 2002 | 52°F | 41°F | 0.28" | 0" |
| 2001 | 53°F | 43°F | 0" | 0" |
| 2000 | 52°F | 47°F | 1.12" | 0" |
| 1999 | 56°F | 41°F | 0" | 0" |
| 1998 | 57°F | 48°F | 0.25" | 0" |
| 1971 | 51°F | 38°F | 0" | 0" |