SeasonMapGreat Smoky Mountains National Park vs Mammoth Cave National Park in September
Great Smoky Mountains National Park is the better pick in September — 84 vs 75 on SeasonMap's comfort score. Great Smoky Mountains National Park is nice, rainy, clean air, while Mammoth Cave National Park is hot, rainy, clean air.
Great Smoky Mountains National Park vs Mammoth Cave National Park — September climate, side by side
| Great Smoky Mountains National Park | Mammoth Cave National Park | |
|---|---|---|
| Comfort score | 84/100 (A) | 75/100 (B) |
| Feels-like high | 23°C | 32°C |
| Avg high / low | 23° / 14° | 30° / 16° |
| Rainfall | 146 mm | 107 mm |
| Rainy days | 9 | 6 |
| Humidity | 78% | 69% |
| Air quality (AQI) | 37 | 42 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Great Smoky Mountains National Park vs Mammoth Cave National Park in September — FAQ
- Is September better in Great Smoky Mountains National Park or Mammoth Cave National Park?
- Great Smoky Mountains National Park is the better pick in September — 84 vs 75 on SeasonMap's comfort score. Great Smoky Mountains National Park is nice, rainy, clean air, while Mammoth Cave National Park is hot, rainy, clean air.
- What is the weather like in Great Smoky Mountains National Park vs Mammoth Cave National Park in September?
- In September, Great Smoky Mountains National Park averages 23°C high / 14°C low with about 146 mm of rain; Mammoth Cave National Park averages 30°C high / 16°C low with about 107 mm.