The climate in Concepción during September can be summarized as very hot, humid and a little damp.
September is in the fall / autumn in Concepción and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 34°C (93°F), whilst at night 25°C (77°F) is normal.
Daytime temperature | 33.8°C 92.8°F |
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Nightly temperature | 24.8°C 76.6°F |
Average temperature | 29.3°C 84.7°F |
Daily sunshine | 6.8 hrs |
Avg rainfall | 93 mm 3.7 ins |
Rainy days | 9 days |
Sea temperature | 28.6°C 83.4°F |
Humidity | 76% |
Windspeed | 11.9kph 7 mph |
On average September is the 2nd wettest month of the year in Concepción with around 93mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 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 Concepción in September 2025.
Best places to visit in September
Hottest month: | August | 34.2°C 93.6°F |
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Driest month: | February | 4mm 0.2ins |
Sunniest month: | January | 8.8hrs |
Coldest month: | January | 31.9°C 89.4°F |
Wettest month: | October | 138mm 5.4ins |