Nacozari Viejo Weather in September

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

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

September is in the fall / autumn in Nacozari Viejo and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 32°C (89°F), whilst at night 15°C (60°F) is normal.

Nacozari Viejo weather averages (imperial / metric)
Daytime temperature	31.5°C 88.7°F
Nightly temperature	15.3°C 59.5°F
Average temperature	23.4°C 74.1°F
Daily sunshine	9.7 hrs
Avg rainfall	49 mm 1.9 ins
Rainy days	6 days
Sea temperature	29°C 84.1°F
Humidity	52%
Windspeed	10.4kph 7 mph

On average September is the 3rd wettest month of the year in Nacozari Viejo with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.7 hours of sunshine per day.

September temperatures in Nacozari Viejo

Nacozari Viejo average temperature in September

September rainfall

Nacozari Viejo average rain in September

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 Nacozari Viejo in September 2025.