Ascención Weather in September

What's the weather like in Ascención (Chihuahua) in September 2025?

The climate in Ascención during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Ascención and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 32°C (89°F), whilst at night 14°C (57°F) is normal.

Ascención weather averages (imperial / metric)
Daytime temperature	31.8°C 89.2°F
Nightly temperature	14°C 57.2°F
Average temperature	22.9°C 73.2°F
Daily sunshine	10.1 hrs
Avg rainfall	33 mm 1.3 ins
Rainy days	3 days
Sea temperature	27°C 80.6°F
Humidity	51%
Windspeed	10.8kph 7 mph

On average September is the 3rd wettest month of the year in Ascención with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.1 hours of sunshine per day.

September temperatures in Ascención

Ascención 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 Ascención in September 2025.