Gates of the Arctic National Park weather in September
September in Gates of the Arctic National Park: freezing, a little rain, with clean air — a good time to visit.
#5 of 12 months in Gates of the Arctic National Park · #447 of 604 destinations to visit in September · comfort 67/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Gates of the Arctic National Park climate normals — September
| Daytime high | 1°C / 34°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -4°C / 25°F | |
| Feels like (high) | -3°C / 27°F | |
| Rainfall | 72 mm / 2.8 in | 🌦 some rain |
| Rainy days | 13 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | -4°C / 25°F | |
| Sunshine | 6 h/day | |
| Daylight | 13.2 h | |
| Wind | 9 km/h / 6 mph | |
| Snowfall | 20.1 cm / 7.9 in | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Gates of the Arctic National Park?
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Gates of the Arctic National Park in September — FAQ
- Is September a good time to visit Gates of the Arctic National Park?
- September in Gates of the Arctic National Park: freezing, a little rain, with clean air — a good time to visit. It ranks #5 of 12 months for Gates of the Arctic National Park on SeasonMap's comfort score (67/100).
- What is the weather like in Gates of the Arctic National Park in September?
- In September, Gates of the Arctic National Park averages a daily high of 0.9°C and a low of -3.8°C, with about 71.7 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Gates of the Arctic National Park in September?
- Gates of the Arctic National Park has a mean US Air Quality Index of about 23 in September.
- Does it snow in Gates of the Arctic National Park in September?
- Gates of the Arctic National Park sees roughly 20.1 cm of snowfall in September.