Nacimiento Weather in September
What's the weather like in Nacimiento (Biobío) in September 2025?
The climate in Nacimiento during September can be summarized as mild and damp.
September is in the spring in Nacimiento and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 5°C (41°F) is normal.
| Daytime temperature | 15.5°C 59.8°F |
|---|---|
| Nightly temperature | 5.2°C 41.3°F |
| Average temperature | 10.3°C 50.5°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 106 mm 4.2 ins |
| Rainy days | 6 days |
| Sea temperature | 12.2°C 53.9°F |
| Humidity | 81% |
| Windspeed | 10.4kph 7 mph |
On average September is the 5th wettest month of the year in Nacimiento with around 106mm 4.2 inches of rain making it a damp 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 6.6 hours of sunshine per day.
September temperatures in Nacimiento
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 Nacimiento in September 2025.
Other monthly averages
Best places to visit in September
Nacimiento weather stats
| Hottest month: | January | 25.3°C 77.5°F |
|---|---|---|
| Driest month: | January | 20mm 0.8ins |
| Sunniest month: | February | 11hrs |
| Coldest month: | July | 11.9°C 53.4°F |
| Wettest month: | June | 272mm 10.7ins |
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