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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 excellent 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.
Trenčianske Teplice Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
20°C (68°F)
Chance of Rain
37%
Precipitation
81 mm (3.2 in)
Rainy days
11 days
Trenčianske Teplice Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trenčianske Teplice - and find the best time to visit.
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 records 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 50 years of weather records for Trenčianske Teplice, the following extremes were recorded between 1976 and 2026.
- 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 →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Cycling9/10 -
Walking9/10 -
Camping4/10 -
Outdoor sports9/10
Trenčianske Teplice 3-Day Forecast
More climate data for Trenčianske Teplice
See the full Trenčianske Teplice climate overview or explore weather in Slovakia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bratislava
22°C (72°F) Košice21°C (70°F) Bešeňová
17°C (63°F) Demanovska Dolina17°C (63°F) Vysoké Tatry
17°C (63°F) Tatranská Lomnica17°C (63°F) Donovaly18°C (64°F) Liptovský Mikuláš17°C (63°F) Bucket list
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