Keelakarai Weather in September

The climate in Keelakarai during September can be summarized as very hot, humid and reasonably dry.

September is in the fall / autumn in Keelakarai and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 26°C (78°F) is normal.

On average September is the 6th wettest month of the year in Keelakarai with around 34mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.5 hours of sunshine per day.

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 Keelakarai in September 2025.