Dubrovnik weather in September
September in Dubrovnik: warm, rainy, with clean air — an excellent time to visit.
#4 of 12 months in Dubrovnik · #261 of 604 destinations to visit in September · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Dubrovnik climate normals — September
| Daytime high | 26°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 67°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 125 mm / 4.9 in | 🌧 rainy |
| Rainy days | 9 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 10.4 h/day | |
| Daylight | 12.5 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 43 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Dubrovnik in September — FAQ
- Is September a good time to visit Dubrovnik?
- September in Dubrovnik: warm, rainy, with clean air — an excellent time to visit. It ranks #4 of 12 months for Dubrovnik on SeasonMap's comfort score (82/100).
- What is the weather like in Dubrovnik in September?
- In September, Dubrovnik averages a daily high of 25.8°C and a low of 19.2°C, with about 124.6 mm of rain over roughly 9 rainy days.
- What is the air quality in Dubrovnik in September?
- Dubrovnik has a mean US Air Quality Index of about 43 in September.