Keszthely Weather in September
In Keszthely, September brings high daytime temperatures around 23°C (73°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.
Rainfall in Keszthely in September
Looking at the last 30 years, the data shows about 10 days with rain, averaging 77 mm (3 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Keszthely in September
Keszthely in September has perfect weather. Days reach 23°C (73°F) and nights cool to 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Keszthely in September
The area enjoys a balanced 176 hours of sunlight, ensuring it's neither too overcast nor too sunny.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Keszthely.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Hungary, check out our Keszthely's climate page.
Keszthely Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
23°C (73°F)
Chance of Rain
33%
Precipitation
77 mm (3 in)
Rainy days
10 days
Humidity
77% *
Sunshine
176 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Keszthely typically drop from around 23°C (73°F) at the start of September to approximately 20°C (68°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 13°C (55°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Keszthely in September
Browse day-by-day weather records for Keszthely spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Keszthely historical weather extremes in September
Based on weather observations in Keszthely between 1976 and 2025, these are the recorded extremes during September.
- Keszthely recorded its highest September temperature of 33°C (91°F) on September 2, 2024.
- The coldest September day was on September 18, 1977, with a maximum of 9°C (48°F).
- The lowest overnight temperature recorded in September was 1°C (34°F) (September 29, 1977).
Best Places in Hungary in September
Find out more about the weather in Hungary and which places have the best travel conditions in this month. See all of Hungary in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Keszthely in September
For Keszthely in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Keszthely in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Hungary, check out our Keszthely's climate page.
Temperature Rainfall Sunshine Humidity
See the full Keszthely climate overview or explore weather in Hungary.
