Kenai Fjords National Park weather in September
September in Kenai Fjords National Park: cold, soaked, with clean air — a good time to visit.
#5 of 12 months in Kenai Fjords National Park · #502 of 604 destinations to visit in September · comfort 62/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Kenai Fjords National Park climate normals — September
| Daytime high | 5°C / 41°F | 🧥 cold |
|---|---|---|
| Nighttime low | 2°C / 35°F | |
| Feels like (high) | 2°C / 36°F | |
| Rainfall | 335 mm / 13.2 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 90% | 💦 very humid |
| Dew point | 1°C / 34°F | |
| Sunshine | 6.7 h/day | |
| Daylight | 12.8 h | |
| Wind | 20 km/h / 12 mph | |
| Snowfall | 4.7 cm / 1.9 in | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Kenai Fjords National Park?
Loading map…
Kenai Fjords National Park in September — FAQ
- Is September a good time to visit Kenai Fjords National Park?
- September in Kenai Fjords National Park: cold, soaked, with clean air — a good time to visit. It ranks #5 of 12 months for Kenai Fjords National Park on SeasonMap's comfort score (62/100).
- What is the weather like in Kenai Fjords National Park in September?
- In September, Kenai Fjords National Park averages a daily high of 5.1°C and a low of 1.5°C, with about 334.6 mm of rain over roughly 18.8 rainy days.
- What is the air quality in Kenai Fjords National Park in September?
- Kenai Fjords National Park has a mean US Air Quality Index of about 27 in September.
- Does it snow in Kenai Fjords National Park in September?
- Kenai Fjords National Park sees roughly 4.7 cm of snowfall in September.