Třeboň Weather in September
September in Třeboň averages 20°C (68°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 68 mm (2.7 in) on average. An umbrella is a good idea.
Rainfall in Třeboň in September
Typically around 12 days of rainfall are expected, averaging 68 mm (2.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Třeboň in September
The perfect temperature in Třeboň in September makes it a solid month to visit, with 20°C (68°F) during the day and 10°C (50°F) at night. Conditions are often most pleasant around the middle of the day. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Třeboň in September
The area enjoys a moderate level of sunlight, with around 140 hours. It's a good balance between sunny and cloudy days.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Třeboň.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Czech Republic, check out our Třeboň's climate page.
Třeboň Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
20°C (68°F)
Chance of Rain
39%
Precipitation
68 mm (2.7 in)
Rainy days
12 days
Humidity
77% *
Sunshine
140 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Třeboň typically drop from around 20°C (68°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°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 Třeboň in September
Browse day-by-day weather records for Třeboň spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Třeboň historical weather extremes in September
The extremes listed below come from historical weather data collected in Třeboň from 1976 through 2025.
- The warmest day in September was on September 4, 2024, with a maximum of 31°C (88°F).
- Třeboň experienced its chilliest September day on September 25, 2002, reaching only 6°C (43°F).
- The coldest night in September in Třeboň was on September 26, 2018, with a minimum of -2°C (28°F).
Best Places in Czech Republic in September
Find out more about the weather in Czech Republic and which places have the best travel conditions in this month. See all of Czech Republic in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Třeboň in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Třeboň 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 Czech Republic, check out our Třeboň's climate page.
Temperature Rainfall Sunshine Humidity
See the full Třeboň climate overview or explore weather in Czech Republic.
