Moctezuma Weather in September

What's the weather like in Moctezuma (Sonora) in September 2025?

The climate in Moctezuma during September can be summarized as hot and reasonably dry.

September is in the fall / autumn in Moctezuma and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 34°C (93°F), whilst at night 19°C (65°F) is normal.

Moctezuma weather averages (imperial / metric)
Daytime temperature	34.1°C 93.4°F
Nightly temperature	18.5°C 65.3°F
Average temperature	26.3°C 79.3°F
Daily sunshine	9.3 hrs
Avg rainfall	51 mm 2 ins
Rainy days	5 days
Sea temperature	29.8°C 85.6°F
Humidity	51%
Windspeed	9.7kph 6 mph

On average September is the 3rd wettest month of the year in Moctezuma with around 51mm 2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

September temperatures in Moctezuma

Moctezuma average temperature in September

September rainfall

September hourly sunshine

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 Moctezuma in September 2025.