Budapest weather in September
September in Budapest: nice, a little rain, with clean air — one of the best months to visit.
#1 of 12 months in Budapest · #62 of 604 destinations to visit in September · comfort 90/100 (tier S)
Updated June 2026 · climate normals from ERA5 reanalysis
Budapest climate normals — September
| Daytime high | 23°C / 73°F | 😎 nice |
|---|---|---|
| Nighttime low | 13°C / 56°F | |
| Feels like (high) | 22°C / 72°F | |
| Rainfall | 66 mm / 2.6 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 72% | 💧 humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 9.2 h/day | |
| Daylight | 12.6 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 45 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Budapest in September — FAQ
- Is September a good time to visit Budapest?
- September in Budapest: nice, a little rain, with clean air — one of the best months to visit. It ranks #1 of 12 months for Budapest on SeasonMap's comfort score (90/100).
- What is the weather like in Budapest in September?
- In September, Budapest averages a daily high of 22.7°C and a low of 13.4°C, with about 65.6 mm of rain over roughly 9.2 rainy days.
- What is the air quality in Budapest in September?
- Budapest has a mean US Air Quality Index of about 45 in September.