Palm Springs weather in September
September in Palm Springs: sweltering, dry — a fair time to visit.
#10 of 12 months in Palm Springs · #537 of 604 destinations to visit in September · comfort 57/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Palm Springs climate normals — September
| Daytime high | 37°C / 99°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 37°C / 99°F | |
| Rainfall | 13 mm / 0.5 in | ☀️ dry |
| Rainy days | 2 days | |
| Humidity | 43% | 🍃 comfortable |
| Dew point | 13°C / 55°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 12.4 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Palm Springs in September — FAQ
- Is September a good time to visit Palm Springs?
- September in Palm Springs: sweltering, dry — a fair time to visit. It ranks #10 of 12 months for Palm Springs on SeasonMap's comfort score (57/100).
- What is the weather like in Palm Springs in September?
- In September, Palm Springs averages a daily high of 37.1°C and a low of 22.9°C, with about 12.7 mm of rain over roughly 2.4 rainy days.
- What is the air quality in Palm Springs in September?
- Palm Springs has a mean US Air Quality Index of about 52 in September.