Hot Springs National Park weather in September
September in Hot Springs National Park: hot, a little rain, with clean air — a great time to visit.
#5 of 12 months in Hot Springs National Park · #335 of 604 destinations to visit in September · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Hot Springs National Park climate normals — September
| Daytime high | 30°C / 87°F | 🥵 hot |
|---|---|---|
| Nighttime low | 20°C / 69°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 49 mm / 1.9 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 57% | 🍃 comfortable |
| Dew point | 15°C / 59°F | |
| Sunshine | 10.5 h/day | |
| Daylight | 12.4 h | |
| Wind | 12 km/h / 7 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Hot Springs National Park?
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Hot Springs National Park in September — FAQ
- Is September a good time to visit Hot Springs National Park?
- September in Hot Springs National Park: hot, a little rain, with clean air — a great time to visit. It ranks #5 of 12 months for Hot Springs National Park on SeasonMap's comfort score (78/100).
- What is the weather like in Hot Springs National Park in September?
- In September, Hot Springs National Park averages a daily high of 30.4°C and a low of 20.3°C, with about 48.6 mm of rain over roughly 5.6 rainy days.
- What is the air quality in Hot Springs National Park in September?
- Hot Springs National Park has a mean US Air Quality Index of about 46 in September.