Františkovy Lázně
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Františkovy Lázně Weather in September

September in Františkovy Lázně typically sees daytime highs of 18°C (64°F) and nighttime lows of 8°C (46°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Františkovy Lázně in September

Typically, about 14 days will experience rainfall, with an average of 68 mm (2.7 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Františkovy Lázně in September

Daytime temperatures in Františkovy Lázně reach 18°C (64°F) in September, dropping to 8°C (46°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Františkovy Lázně in September

The month brings about 139 hours of sunlight, offering a comfortable mix of sun and overcast.

Wind Speed in Františkovy Lázně in September

Average wind conditions reach 2 m/s (4 knots) in September. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.

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.

Františkovy Lázně Temperature in September

Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
45%
Precipitation
68 mm (2.7 in)
Rainy days
14 days
Humidity
78% *
Windspeed
2 m/s (4 knots) *
Sunshine
139 hours *
Percentage Sunshine
*
* Data from: Cheb, Czech Republic (4 KM, 2 Miles).

Františkovy Lázně Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Františkovy Lázně - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Františkovy Lázně typically drop from around 20°C (68°F) at the start of September to approximately 17°C (63°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 records for Františkovy Lázně in September

Browse day-by-day weather records for Františkovy Lázně spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Františkovy Lázně historical weather extremes in September

Based on 49 years of weather observations in Františkovy Lázně between 1976 and 2025, these are the recorded extremes.

  • Františkovy Lázně recorded its highest September temperature of 30°C (86°F) on September 1, 2009.
  • The coldest September day was on September 25, 2002, with a maximum of 6°C (43°F).
  • The lowest overnight temperature recorded in September was -3°C (27°F) (September 30, 1987).

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

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 Františkovy Lázně in September

For Františkovy 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Františkovy Lázně in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    10/10
  • Walking
    10/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Františkovy Lázně 3-Day Forecast

More climate data for Františkovy Lázně

Popular in September

Where to go in September - average daytime high across popular destinations.

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