The climate in Budapest III. kerület during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Budapest III. kerület and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 12°C (53°F) is normal.
| Daytime temperature | 22.5°C 72.5°F |
|---|---|
| Nightly temperature | 11.9°C 53.4°F |
| Average temperature | 17.2°C 63°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 40 mm 1.6 ins |
| Rainy days | 9 days |
| Sea temperature | 20.5°C 68.9°F |
| Humidity | 69% |
| Windspeed | 8.3kph 5 mph |
On average September is the 4th driest month of the year in Budapest III. kerület with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Budapest III. kerület in September 2025.
Best places to visit in September
| Hottest month: | July | 26.8°C 80.2°F |
|---|---|---|
| Driest month: | March | 31mm 1.2ins |
| Sunniest month: | July | 9.6hrs |
| Coldest month: | January | 1.6°C 34.9°F |
| Wettest month: | June | 68mm 2.7ins |