Climate averages 1991–2020
Budapest weather
in September.
A mild, moderately wet month: the 4th warmest and the joint 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Budapest: daytime highs average 21.5°C and nights cool to about 12.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 58 mm of rain on roughly 8 days, which makes September a moderately wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 37 min on an average September day.
The nearest other city in this atlas is Székesfehérvár (59 km away). In September its highs average 21.4°C, about as warm as Budapest, with 58 mm of rain.
Among the 11 cities listed in Hungary, Budapest ranks 7th of 11 for the warmest September highs and joint 6th of 11 for the driest September (rainfall, lowest first). The mean September high of those 11 cities is 21.7°C; Budapest is 0.2°C cooler than that mean.
From September to October, average highs fall by 5.7°C to 15.8°C, and monthly rainfall falls from 58 mm to 53 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Budapest climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.2°C-2.8°C | -2.8°C | 36 | 8.0 | 8.99 h |
| February | 5.6°C-2.2°C | -2.2°C | 35 | 8.1 | 10.210 h |
| March | 10.7°C1.4°C | 1.4°C | 40 | 8.0 | 11.912 h |
| April | 16.7°C6.4°C | 6.4°C | 45 | 8.9 | 13.614 h |
| May | 21.3°C11.4°C | 11.4°C | 67 | 11.9 | 15.115 h |
| June | 24.9°C15.3°C | 15.3°C | 71 | 10.9 | 15.916 h |
| July | 27.0°C17.3°C | 17.3°C | 69 | 10.2 | 15.616 h |
| August | 27.0°C17.2°C | 17.2°C | 58 | 8.7 | 14.314 h |
| September, selected | 21.5°C12.7°C | 12.7°C | 58 | 8.2 | 12.613 h |
| October | 15.8°C7.8°C | 7.8°C | 53 | 8.1 | 10.911 h |
| November | 9.3°C3.2°C | 3.2°C | 51 | 8.7 | 9.49 h |
| December | 3.7°C-1.7°C | -1.7°C | 43 | 8.3 | 8.59 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Székesfehérvár in SeptemberHungary · 59 kmHigh 21.4°C · Low 12.6°C · 58 mm rain
- Kecskemét in SeptemberHungary · 82 kmHigh 21.9°C · Low 12.7°C · 58 mm rain
- Szolnok in SeptemberHungary · 94 kmHigh 22.4°C · Low 13.3°C · 55 mm rain
- Győr in SeptemberHungary · 107 kmHigh 21.3°C · Low 12.7°C · 62 mm rain
- Nitra in SeptemberSlovakia · 115 kmHigh 21.0°C · Low 12.0°C · 60 mm rain
- Banská Bystrica in SeptemberSlovakia · 138 kmHigh 18.6°C · Low 10.1°C · 78 mm rain
- Miskolc in SeptemberHungary · 146 kmHigh 21.4°C · Low 11.9°C · 56 mm rain
- Bratislava in SeptemberSlovakia · 161 kmHigh 20.7°C · Low 12.0°C · 67 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Budapest) is explained once on the Budapest year overview and on the Sources, method and limits page.