Liberec Weather in September
Liberec in September averages 18°C (64°F) during the day and 9°C (48°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Liberec in September
You can expect rain on around 13 days based on historical patterns, with 86 mm (3.4 in) average 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 Liberec in September
Daytime highs in Liberec in September reach 18°C (64°F), with nights around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Liberec.
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 Liberec's climate page.
Liberec Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Liberec 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 6°C (43°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 Liberec in September
Browse day-by-day weather records for Liberec spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Liberec historical weather extremes in September
Our historical data for Liberec spans 1976 to 2025, revealing these weather extremes.
- On September 4, 2024, temperatures climbed to 32°C (90°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 7°C (45°F), recorded on September 16, 2008.
- Nighttime temperatures dropped to -3°C (27°F) on September 24, 2002, marking the coldest September night on record.
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 Liberec in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Liberec 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 Liberec's climate page.
See the full Liberec climate overview or explore weather in Czech Republic.