Palermo weather in September
September in Palermo: hot, a little rain, with clean air — a great time to visit.
#11 of 12 months in Palermo · #365 of 604 destinations to visit in September · comfort 76/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Palermo climate normals — September
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 60 mm / 2.4 in | 🌦 some rain |
| Rainy days | 7 days | |
| Humidity | 69% | 💧 humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 11 h/day | |
| Daylight | 12.4 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Palermo in September — FAQ
- Is September a good time to visit Palermo?
- September in Palermo: hot, a little rain, with clean air — a great time to visit. It ranks #11 of 12 months for Palermo on SeasonMap's comfort score (76/100).
- What is the weather like in Palermo in September?
- In September, Palermo averages a daily high of 28.1°C and a low of 22°C, with about 60.4 mm of rain over roughly 7.4 rainy days.
- What is the air quality in Palermo in September?
- Palermo has a mean US Air Quality Index of about 47 in September.