The climate in Ciudad Acuña during September can be summarized as hot and reasonably dry.
September is in the fall / autumn in Ciudad Acuña and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 21°C (69°F) is normal.
Daytime temperature | 32.7°C 90.8°F |
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Nightly temperature | 20.8°C 69.4°F |
Average temperature | 26.7°C 80.1°F |
Daily sunshine | 7.8 hrs |
Avg rainfall | 78 mm 3.1 ins |
Rainy days | 6 days |
Sea temperature | 28.9°C 84.1°F |
Humidity | 66% |
Windspeed | 13.7kph 9 mph |
On average September is the wettest month of the year in Ciudad Acuña with around 78mm 3.1 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 7.8 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 Ciudad Acuña in September 2025.
Best places to visit in September
Hottest month: | July | 35.7°C 96.3°F |
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Driest month: | January | 17mm 0.7ins |
Sunniest month: | July | 9.6hrs |
Coldest month: | January | 16.5°C 61.7°F |
Wettest month: | September | 78mm 3.1ins |