Weather on September 4 at Katmai
Katmai National Park and Preserve
Based on 30 years of data from Anchorage, AK
Planning Your Visit
September 4th in Katmai National Park (via Anchorage, AK) typically brings mild fall weather, with average highs around 60°F and lows near 47°F. Over 30 years of records, the warmest September 4th was in 2019 (59°F average), while the coldest was 1971 (47°F) — a 12°F range across recorded history. Rain or other precipitation has occurred on about 60% of September 4th dates historically, with the wettest September 4th recording 3.4" 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 4th in Katmai? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 62°F | 51°F | 1.14" | -- |
| 2024 | 59°F | 50°F | 0.03" | -- |
| 2023 | 63°F | 48°F | 0.05" | -- |
| 2022 | 62°F | 47°F | 0" | -- |
| 2021 | 62°F | 54°F | 0.18" | -- |
| 2020 | 61°F | 39°F | 0" | -- |
| 2019 | 67°F | 52°F | 0" | -- |
| 2018 | 65°F | 42°F | 0" | -- |
| 2017 | 65°F | 43°F | 0" | -- |
| 2016 | 63°F | 54°F | 0.43" | -- |
| 2015 | 56°F | 48°F | 0.15" | -- |
| 2014 | 51°F | 46°F | 1.09" | -- |
| 2013 | 58°F | 51°F | 3.4" | -- |
| 2012 | 58°F | 47°F | 0.25" | -- |
| 2011 | 55°F | 48°F | 0" | -- |
| 2010 | 55°F | 51°F | 0.58" | -- |
| 2009 | 67°F | 43°F | 0" | -- |
| 2008 | 62°F | 50°F | 0.23" | -- |
| 2007 | 61°F | 48°F | 0" | -- |
| 2006 | 59°F | 42°F | 0.1" | -- |
| 2005 | 52°F | 49°F | 1.3" | -- |
| 2004 | 61°F | 34°F | 0" | 0" |
| 2003 | 60°F | 49°F | 0.03" | -- |
| 2002 | 65°F | 50°F | 0" | 0" |
| 2001 | 60°F | 49°F | 1.07" | 0" |
| 2000 | 58°F | 43°F | 0.03" | -- |
| 1999 | 59°F | 48°F | 0.2" | 0" |
| 1998 | 59°F | 46°F | 0" | 0" |
| 1972 | 60°F | 39°F | 1.02" | -- |
| 1971 | 54°F | 40°F | 0" | 0" |