Buenavista Tomatlán Weather in September

The climate in Buenavista Tomatlán during September can be summarized as hot, humid and wet.

September is in the fall / autumn in Buenavista Tomatlán and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 21°C (70°F) is normal.

On average September is the 2nd wettest month of the year in Buenavista Tomatlán with around 187mm 7.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.

On the flip side this corresponds to an average of 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 Buenavista Tomatlán in September 2025.