Mariánské Lázně Weather in September
September in Mariánské Lázně typically sees daytime highs of 19°C (66°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Mariánské Lázně in September
Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 66 mm (2.6 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Mariánské Lázně in September
In September, Mariánské Lázně gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Mariánské Lázně's climate page.
Mariánské Lázně Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
45%
Precipitation
66 mm (2.6 in)
Rainy days
13 days
Humidity
79%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mariánské Lázně typically drop from around 19°C (66°F) at the start of September to approximately 16°C (61°F) by the end. Nights are cold, with lows typically ranging from 6°C (43°F) to 10°C (50°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 Mariánské Lázně in September
Browse day-by-day weather records for Mariánské Lázně spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mariánské Lázně historical weather extremes in September
Based on weather observations in Mariánské Lázně between 1976 and 2025, these are the recorded extremes during September.
- Mariánské Lázně recorded its highest September temperature of 29°C (84°F) on September 5, 1982.
- On September 25, 2002, Mariánské Lázně saw its coldest September day with temperatures maxing out at 5°C (41°F).
- Mariánské Lázně registered its coldest September night on September 30, 1987, with temperatures dropping to -3°C (27°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
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tolerable
unpleasant
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What to Wear in Mariánské Lázně in September
For Mariánské Lázně 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.What To Do in Mariánské Lázně 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 Mariánské Lázně's climate page.
See the full Mariánské Lázně climate overview or explore weather in Czech Republic.
