Las Cabezas de San Juan Weather in September

The climate in Las Cabezas de San Juan during September can be summarized as hot and dry.

September is in the fall / autumn in Las Cabezas de San Juan and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 30°C (86°F), whilst at night 17°C (63°F) is normal.

On average September is the 4th driest month of the year in Las Cabezas de San Juan with around 20mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.2 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 Las Cabezas de San Juan in September 2025.