Culiacán Weather in September

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

September is in the fall / autumn in Culiacán and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 35°C (95°F), whilst at night 24°C (75°F) is normal.

On average September is the 3rd wettest month of the year in Culiacán with around 130mm 5.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 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 Culiacán in September 2025.