Şirna Weather in September

What's the weather like in Şirna (Prahova) in September 2025?

The climate in Şirna during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Şirna and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 11°C (51°F) is normal.

Şirna weather averages (imperial / metric)
Daytime temperature 24.1°C 75.4°F
Nightly temperature 10.5°C 50.9°F
Average temperature 17.3°C 63.1°F
Daily sunshine 7.8 hrs
Avg rainfall 45 mm 1.8 ins
Rainy days 7 days
Sea temperature 22°C 71.5°F
Humidity 75%
Windspeed 6.1kph 4 mph

On average September is the 6th driest month of the year in Şirna with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.8 hours of sunshine per day.

September temperatures in Şirna

Şirna average temperature in September

September rainfall

Şirna average rain in September

September hourly sunshine

Şirna 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 Şirna in September 2025.

Other monthly averages

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Şirna weather stats

Şirna weather statistics
Hottest month: July 27.9°C 82.2°F
Driest month: October 32mm 1.3ins
Sunniest month: August 9.5hrs
Coldest month: January 1.1°C 34°F
Wettest month: June 81mm 3.2ins
Map showing location of Şirna (44.8, 25.95) Şirna map pin © Google

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