Patna Weather in September

What's the weather like in Patna (Bihār) in September 2024?

The climate in Patna during September can be summarized as very hot, humid and very wet.

September is in the fall / autumn in Patna and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 25°C (78°F) is normal.

Patna weather averages (imperial / metric)
Daytime temperature 32.5°C 90.5°F
Nightly temperature 25.3°C 77.5°F
Average temperature 28.9°C 84°F
Daily sunshine 4.7 hrs
Avg rainfall 229 mm 9 ins
Rainy days 9 days
Sea temperature 26.7°C 80.1°F
Humidity 79%
Windspeed 5.8kph 4 mph

On average September is the 3rd wettest month of the year in Patna with around 229mm 9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.7 hours of sunshine per day.

September temperatures in Patna

Patna average temperature in September

September rainfall

Patna average rain in September

September hourly sunshine

Patna 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 Patna in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Patna weather stats

Patna weather statistics
Hottest month: June 36.8°C 98.2°F
Driest month: December 4mm 0.2ins
Sunniest month: April 9.4hrs
Coldest month: January 23°C 73.4°F
Wettest month: July 339mm 13.3ins
Map showing location of Patna (25.60222, 85.11936) Patna map pin © Google

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