Weather on September 18 at Kenai Fjords
Kenai Fjords National Park
Based on 55 years of data from Seward, AK
Planning Your Visit
September 18th in Kenai Fjords National Park (via Seward, AK) typically brings cool fall weather, with average highs around 55°F and lows near 43°F. Over 55 years of records, the warmest September 18th was in 1995 (57°F average), while the coldest was 2015 (41°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 69% of September 18th dates historically, with the wettest September 18th recording 4.57" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for September 18th in Kenai Fjords? 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 | 54°F | 48°F | 0.41" | -- |
| 2024 | 58°F | 41°F | 0.03" | -- |
| 2023 | 52°F | 43°F | 0" | -- |
| 2022 | 54°F | 39°F | 0.15" | -- |
| 2021 | 59°F | 45°F | 0" | -- |
| 2020 | 56°F | 44°F | 0.38" | -- |
| 2019 | 58°F | 44°F | 1.5" | -- |
| 2018 | 60°F | 40°F | 0" | -- |
| 2017 | 52°F | 45°F | 1.73" | -- |
| 2016 | 63°F | 46°F | 0" | -- |
| 2015 | 50°F | 32°F | 0.05" | -- |
| 2014 | 56°F | 48°F | 1.73" | -- |
| 2013 | 53°F | 44°F | 0.13" | -- |
| 2012 | 51°F | 45°F | 3.68" | -- |
| 2011 | 53°F | 42°F | 0.15" | -- |
| 2010 | 70°F | 42°F | 0" | -- |
| 2009 | 55°F | 40°F | 0.03" | -- |
| 2008 | 54°F | 41°F | 4.57" | 0" |
| 2007 | 54°F | 42°F | 1.24" | 0" |
| 2006 | 55°F | 40°F | 0.3" | 0" |
| 2005 | 59°F | 46°F | 0" | -- |
| 2004 | 50°F | 41°F | 0" | 0" |
| 2003 | 51°F | 39°F | 0" | 0" |
| 2002 | 55°F | 36°F | 0" | 0" |
| 2001 | 56°F | 45°F | 0.66" | 0" |
| 2000 | 58°F | 39°F | 0" | 0" |
| 1999 | 51°F | 45°F | 3.58" | -- |
| 1998 | 51°F | 46°F | 2.54" | 0" |
| 1997 | 55°F | 43°F | 0.2" | 0" |
| 1996 | 50°F | 43°F | 0.86" | 0" |
| 1995 | 68°F | 47°F | 0.1" | 0" |
| 1994 | 61°F | 40°F | 0.74" | 0" |
| 1993 | 52°F | 36°F | 0" | 0" |
| 1992 | 54°F | 42°F | 0.03" | 0" |
| 1991 | 53°F | 44°F | 0" | 0" |
| 1990 | 52°F | 48°F | 0.13" | 0" |
| 1989 | 64°F | 45°F | 0" | 0" |
| 1988 | 56°F | 44°F | 0.43" | 0" |
| 1987 | 55°F | 44°F | 1.47" | 0" |
| 1986 | 55°F | 50°F | 0.23" | 0" |
| 1985 | 48°F | 43°F | 0.43" | 0" |
| 1984 | 53°F | 47°F | 1.57" | 0" |
| 1983 | 53°F | 40°F | 0.18" | 0" |
| 1982 | 55°F | 50°F | 2.87" | 0" |
| 1981 | 58°F | 45°F | 0.36" | 0" |
| 1980 | 59°F | 48°F | 0" | 0" |
| 1979 | 53°F | 48°F | 2.79" | 0" |
| 1978 | 52°F | 42°F | 0.69" | 0" |
| 1977 | 57°F | 43°F | 0" | 0" |
| 1976 | 49°F | 42°F | 1.91" | 0" |
| 1975 | 54°F | 47°F | 1.37" | 0" |
| 1974 | 50°F | 45°F | 2.82" | 0" |
| 1973 | 56°F | 45°F | 0.13" | 0" |
| 1972 | 49°F | 39°F | 0" | 0" |
| 1971 | 54°F | 39°F | 0" | 0" |