Budapest weather in September
Averages, precipitation and records for every September since 2000
What is September like in Budapest?
In September, daytime highs in Budapest average 21.4 °C and night-time lows 12.5 °C, giving a monthly mean of 16.9 °C. Expect about 64 mm of precipitation on 9 wet days.
September is the 4th warmest month of the year here: 5.2 °C cooler than August and 5.4 °C warmer than October.
An average September brings 0.5 hot days (30 °C or more), 6.4 summer days (25 °C or more).
Compared with the September average of Hungarian towns (17.3 °C), Budapest is 0.4 °C cooler — the 268th warmest of 348.
The warmest September was in 2023 (20.0 °C), the coolest in 2001 (14.1 °C). The wettest was 2010 (158 mm), the driest 2011 (15 mm). September in 2016–2025 averaged 17.6 °C, compared with 16.2 °C in 2000–2009 (+1.4 °C).
September records: 32.9 °C (7 September 2008) and 3.7 °C (26 September 2018). The average topsoil temperature (0–7 cm) is 18.0 °C.
Planning a trip? Check the 7-day forecast for Budapest and the current weather. See also the full climate of Budapest and Hungary in September.
September mean temperature by year
Red: warmer than the average (16.9 °C), blue: cooler.
September precipitation by year
Monthly total (mm).
Every September in Budapest, 2000–2025
Highlighted: the warmest and the coolest year. Click a year for its daily data.
| Year | Mean | Highest | Lowest | Precip. |
|---|---|---|---|---|
| September 2025 | 18.4 °C | 28.6 °C | 7.3 °C | 52 mm |
| September 2024 | 18.0 °C | 32.3 °C | 6.7 °C | 98 mm |
| September 2023 | 20.0 °C | 29.6 °C | 11.7 °C | 58 mm |
| September 2022 | 15.6 °C | 27.2 °C | 5.4 °C | 115 mm |
| September 2021 | 17.3 °C | 28.8 °C | 6.5 °C | 56 mm |
| September 2020 | 18.2 °C | 28.8 °C | 8.0 °C | 57 mm |
| September 2019 | 17.1 °C | 31.1 °C | 6.5 °C | 48 mm |
| September 2018 | 17.6 °C | 29.3 °C | 3.7 °C | 56 mm |
| September 2017 | 15.7 °C | 30.7 °C | 5.9 °C | 117 mm |
| September 2016 | 18.1 °C | 28.2 °C | 6.8 °C | 35 mm |
| September 2015 | 17.7 °C | 31.5 °C | 8.3 °C | 93 mm |
| September 2014 | 16.8 °C | 26.6 °C | 5.1 °C | 125 mm |
| September 2013 | 14.9 °C | 24.8 °C | 6.7 °C | 42 mm |
| September 2012 | 19.0 °C | 30.8 °C | 6.0 °C | 54 mm |
| September 2011 | 19.6 °C | 29.9 °C | 9.2 °C | 15 mm |
| September 2010 | 14.4 °C | 21.8 °C | 5.9 °C | 158 mm |
| September 2009 | 18.8 °C | 29.7 °C | 9.1 °C | 22 mm |
| September 2008 | 15.6 °C | 32.9 °C | 5.3 °C | 52 mm |
| September 2007 | 14.6 °C | 25.3 °C | 6.4 °C | 58 mm |
| September 2006 | 18.0 °C | 27.0 °C | 8.9 °C | 26 mm |
| September 2005 | 16.7 °C | 26.5 °C | 9.0 °C | 49 mm |
| September 2004 | 16.1 °C | 26.4 °C | 7.4 °C | 31 mm |
| September 2003 | 16.6 °C | 27.9 °C | 7.9 °C | 29 mm |
| September 2002 | 15.5 °C | 27.3 °C | 6.8 °C | 54 mm |
| September 2001 | 14.1 °C | 23.2 °C | 6.1 °C | 120 mm |
| September 2000 | 15.6 °C | 26.3 °C | 7.2 °C | 53 mm |
September in nearby towns
| Town | Avg high | Avg low | Precip. | Wet days |
|---|---|---|---|---|
| Budapest | 21.4 °C | 12.5 °C | 64 mm | 9 |
| Abony | 22.7 °C | 13.6 °C | 61 mm | 9 |
| Albertirsa | 22.0 °C | 13.3 °C | 63 mm | 9 |
| Aszód | 21.7 °C | 12.4 °C | 62 mm | 8 |
| Biatorbágy | 21.2 °C | 12.3 °C | 64 mm | 9 |
| Budakalász | 21.1 °C | 12.2 °C | 65 mm | 9 |
| Budakeszi | 21.1 °C | 12.3 °C | 64 mm | 9 |
| Budaörs | 21.4 °C | 12.5 °C | 64 mm | 9 |
| Cegléd | 22.4 °C | 13.4 °C | 62 mm | 9 |
Other months in Budapest
Frequently asked questions
What is the weather like in Budapest in September?
Average highs of 21.4 °C and lows of 12.5 °C, with about 64 mm of precipitation on 9 wet days.
How hot does it get in Budapest in September?
The September record is 32.9 °C (7 September 2008); there are 0.5 days of 30 °C or more in an average September.
How much does it rain in Budapest in September?
64 mm on average; the wettest September (2010) brought 158 mm.
What was the warmest September in Budapest?
2023, with a mean of 20.0 °C (data 2000–2025).
Source: Meteon's own daily dataset built from the ERA5-Land reanalysis (Copernicus / ECMWF), 2000–2025, about 9 km grid resolution. Values describe the town's surroundings and can differ slightly from a single weather station. Hot day: maximum ≥ 30 °C; summer day: ≥ 25 °C; frost day: minimum < 0 °C; wet day: ≥ 1 mm.