Trenčianske Teplice Weather in September
September in Trenčianske Teplice averages 20°C (68°F) during the day and 9°C (48°F) at night. Quite a bit of rainfall is typical this month, with around 81 mm (3.2 in) on average. An umbrella is a good idea.
Rainfall in Trenčianske Teplice in September
Typically, you can expect about 11 days of rain this month, with 81 mm (3.2 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Trenčianske Teplice in September
Trenčianske Teplice in September has perfect weather. Days reach 20°C (68°F) and nights cool to 9°C (48°F). Conditions are often most pleasant around the middle of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Trenčianske Teplice.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovakia, check out our Trenčianske Teplice's climate page.
Trenčianske Teplice Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Trenčianske Teplice typically drop from around 21°C (70°F) at the start of September to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°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 Trenčianske Teplice in September
Browse day-by-day weather records for Trenčianske Teplice spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Trenčianske Teplice historical weather extremes in September
According to our 49 years of weather records for Trenčianske Teplice, the following extremes were recorded between 1976 and 2025.
- On September 3, 2024, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- Trenčianske Teplice experienced its chilliest September day on September 5, 2007, reaching only 9°C (48°F).
- The lowest overnight temperature recorded in September was 0°C (32°F) (September 28, 1977).
Best Places in Slovakia in September
Find out more about the weather in Slovakia and which places have the best travel conditions in this month. See all of Slovakia in September →
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What to Wear in Trenčianske Teplice 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. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Trenčianske Teplice 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 Slovakia, check out our Trenčianske Teplice's climate page.
See the full Trenčianske Teplice climate overview or explore weather in Slovakia.