Grand Canyon National Park vs Zion National Park in September
Zion National Park is the better pick in September — 89 vs 52 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Grand Canyon National Park is hot, dry, clean air.
Grand Canyon National Park vs Zion National Park — September climate, side by side
| Grand Canyon National Park | Zion National Park | |
|---|---|---|
| Comfort score | 52/100 (D) | 89/100 (A) |
| Feels-like high | 33°C | 24°C |
| Avg high / low | 35° / 19° | 27° / 11° |
| Rainfall | 14 mm | 19 mm |
| Rainy days | 2 | 2 |
| Humidity | 34% | 33% |
| Air quality (AQI) | 38 | 41 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Grand Canyon National Park vs Zion National Park in September — FAQ
- Is September better in Grand Canyon National Park or Zion National Park?
- Zion National Park is the better pick in September — 89 vs 52 on SeasonMap's comfort score. Zion National Park is warm, dry, clean air, while Grand Canyon National Park is hot, dry, clean air.
- What is the weather like in Grand Canyon National Park vs Zion National Park in September?
- In September, Grand Canyon National Park averages 35°C high / 19°C low with about 14 mm of rain; Zion National Park averages 27°C high / 11°C low with about 19 mm.