Kőszeg weather in September
Averages, precipitation and records for every September since 2000
What is September like in Kőszeg?
In September, daytime highs in Kőszeg average 19.9 °C and night-time lows 11.4 °C, giving a monthly mean of 15.6 °C. Expect about 84 mm of precipitation on 11 wet days.
September is the 4th warmest month of the year here: 4.9 °C cooler than August and 4.8 °C warmer than October.
An average September brings 3.4 summer days (25 °C or more).
Compared with the September average of Hungarian towns (17.3 °C), Kőszeg is 1.7 °C cooler — the 340th warmest of 348.
The warmest September was in 2023 (18.5 °C), the coolest in 2001 (13.1 °C). The wettest was 2024 (187 mm), the driest 2011 (32 mm). September in 2016–2025 averaged 16.4 °C, compared with 14.9 °C in 2000–2009 (+1.5 °C).
September records: 31.3 °C (1 September 2015) and 2.8 °C (26 September 2018). The average topsoil temperature (0–7 cm) is 16.2 °C.
Planning a trip? Check the 7-day forecast for Kőszeg and the current weather. See also the full climate of Kőszeg and Hungary in September.
September mean temperature by year
Red: warmer than the average (15.6 °C), blue: cooler.
September precipitation by year
Monthly total (mm).
Every September in Kőszeg, 2000–2025
Highlighted: the warmest and the coolest year. Click a year for its daily data.
| Year | Mean | Highest | Lowest | Precip. |
|---|---|---|---|---|
| September 2025 | 16.8 °C | 26.2 °C | 5.8 °C | 91 mm |
| September 2024 | 16.6 °C | 31.2 °C | 4.1 °C | 187 mm |
| September 2023 | 18.5 °C | 27.7 °C | 11.0 °C | 56 mm |
| September 2022 | 14.6 °C | 25.8 °C | 4.3 °C | 113 mm |
| September 2021 | 16.4 °C | 27.2 °C | 7.4 °C | 41 mm |
| September 2020 | 16.5 °C | 26.1 °C | 3.6 °C | 69 mm |
| September 2019 | 16.0 °C | 28.6 °C | 5.4 °C | 61 mm |
| September 2018 | 16.8 °C | 26.8 °C | 2.8 °C | 77 mm |
| September 2017 | 14.2 °C | 25.2 °C | 5.7 °C | 184 mm |
| September 2016 | 17.6 °C | 27.8 °C | 7.3 °C | 47 mm |
| September 2015 | 16.4 °C | 31.3 °C | 6.7 °C | 44 mm |
| September 2014 | 15.3 °C | 23.8 °C | 5.7 °C | 170 mm |
| September 2013 | 14.4 °C | 24.0 °C | 5.0 °C | 98 mm |
| September 2012 | 16.6 °C | 27.8 °C | 5.6 °C | 81 mm |
| September 2011 | 17.9 °C | 28.5 °C | 9.3 °C | 32 mm |
| September 2010 | 13.6 °C | 21.5 °C | 5.1 °C | 150 mm |
| September 2009 | 16.8 °C | 26.8 °C | 9.0 °C | 37 mm |
| September 2008 | 14.0 °C | 28.4 °C | 3.5 °C | 65 mm |
| September 2007 | 13.4 °C | 23.2 °C | 4.8 °C | 147 mm |
| September 2006 | 16.8 °C | 27.8 °C | 7.9 °C | 39 mm |
| September 2005 | 15.5 °C | 25.1 °C | 7.4 °C | 56 mm |
| September 2004 | 14.8 °C | 24.1 °C | 7.1 °C | 39 mm |
| September 2003 | 15.3 °C | 26.4 °C | 6.6 °C | 48 mm |
| September 2002 | 14.1 °C | 24.7 °C | 5.6 °C | 55 mm |
| September 2001 | 13.1 °C | 22.2 °C | 5.5 °C | 136 mm |
| September 2000 | 15.0 °C | 25.3 °C | 8.0 °C | 60 mm |
September in nearby towns
| Town | Avg high | Avg low | Precip. | Wet days |
|---|---|---|---|---|
| Kőszeg | 19.9 °C | 11.4 °C | 84 mm | 11 |
| Bük | 21.0 °C | 12.6 °C | 81 mm | 10 |
| Celldömölk | 21.5 °C | 12.8 °C | 75 mm | 10 |
| Csepreg | 20.8 °C | 12.2 °C | 82 mm | 11 |
| Jánosháza | 21.4 °C | 12.9 °C | 78 mm | 10 |
| Körmend | 20.9 °C | 12.3 °C | 85 mm | 10 |
| Répcelak | 21.2 °C | 12.7 °C | 78 mm | 10 |
| Szentgotthárd | 20.8 °C | 12.3 °C | 86 mm | 11 |
| Szombathely | 20.8 °C | 12.1 °C | 83 mm | 10 |
Other months in Kőszeg
Frequently asked questions
What is the weather like in Kőszeg in September?
Average highs of 19.9 °C and lows of 11.4 °C, with about 84 mm of precipitation on 11 wet days.
How hot does it get in Kőszeg in September?
The September record is 31.3 °C (1 September 2015); there are 0.2 days of 30 °C or more in an average September.
How much does it rain in Kőszeg in September?
84 mm on average; the wettest September (2024) brought 187 mm.
What was the warmest September in Kőszeg?
2023, with a mean of 18.5 °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.