Kostelec nad Orlicí Weather in September

What's the weather like in Kostelec nad Orlicí (Czech Republic) in September 2025?

The climate in Kostelec nad Orlicí during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Kostelec nad Orlicí and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 8°C (47°F) is normal.

Kostelec nad Orlicí weather averages (imperial / metric)
Daytime temperature 18.2°C 64.7°F
Nightly temperature 8.3°C 46.9°F
Average temperature 13.2°C 55.8°F
Daily sunshine 5.3 hrs
Avg rainfall 53 mm 2.1 ins
Rainy days 11 days
Sea temperature 18.5°C 65.3°F
Humidity 78%
Windspeed 12.2kph 8 mph

On average September is the 5th wettest month of the year in Kostelec nad Orlicí with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.3 hours of sunshine per day.

September temperatures in Kostelec nad Orlicí

Kostelec nad Orlicí average temperature in September

September rainfall

Kostelec nad Orlicí average rain in September

September hourly sunshine

Kostelec nad Orlicí average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Kostelec nad Orlicí in September 2025.

Other monthly averages

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Kostelec nad Orlicí weather stats

Kostelec nad Orlicí weather statistics
Hottest month: July 22.4°C 72.3°F
Driest month: February 36mm 1.4ins
Sunniest month: August 7.1hrs
Coldest month: January -0.2°C 31.6°F
Wettest month: August 83mm 3.3ins
Map showing location of Kostelec nad Orlicí (50.12267, 16.21319) Kostelec nad Orlicí map pin © Google

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