SeasonMapChicago vs Mammoth Cave National Park in September
Chicago is the better pick in September — 91 vs 75 on SeasonMap's comfort score. Chicago is warm, a little rain, clean air, while Mammoth Cave National Park is hot, rainy, clean air.
Chicago vs Mammoth Cave National Park — September climate, side by side
| Chicago | Mammoth Cave National Park | |
|---|---|---|
| Comfort score | 91/100 (S) | 75/100 (B) |
| Feels-like high | 25°C | 32°C |
| Avg high / low | 25° / 17° | 30° / 16° |
| Rainfall | 63 mm | 107 mm |
| Rainy days | 7 | 6 |
| Humidity | 73% | 69% |
| Air quality (AQI) | 45 | 42 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Chicago vs Mammoth Cave National Park in September — FAQ
- Is September better in Chicago or Mammoth Cave National Park?
- Chicago is the better pick in September — 91 vs 75 on SeasonMap's comfort score. Chicago is warm, a little rain, clean air, while Mammoth Cave National Park is hot, rainy, clean air.
- What is the weather like in Chicago vs Mammoth Cave National Park in September?
- In September, Chicago averages 25°C high / 17°C low with about 63 mm of rain; Mammoth Cave National Park averages 30°C high / 16°C low with about 107 mm.