San Javier Weather in September

What's the weather like in San Javier (Maule) in September 2025?

The climate in San Javier during September can be summarized as mild and reasonably dry.

September is in the spring in San Javier and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 6°C (42°F) is normal.

San Javier weather averages (imperial / metric)
Daytime temperature 16.8°C 62.2°F
Nightly temperature 5.8°C 42.4°F
Average temperature 11.3°C 52.3°F
Daily sunshine 6.5 hrs
Avg rainfall 69 mm 2.7 ins
Rainy days 5 days
Sea temperature 12.9°C 55.1°F
Humidity 81%
Windspeed 8.3kph 5 mph

On average September is the 5th wettest month of the year in San Javier with around 69mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.5 hours of sunshine per day.

September temperatures in San Javier

San Javier average temperature in September

September rainfall

San Javier average rain in September

September hourly sunshine

San Javier average rain in September

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 San Javier in September 2025.

Other monthly averages

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UV index Best time to go?

San Javier weather stats

San Javier weather statistics
Hottest month: January 27.3°C 81.1°F
Driest month: February 5mm 0.2ins
Sunniest month: February 11hrs
Coldest month: July 12.9°C 55.2°F
Wettest month: July 191mm 7.5ins
Map showing location of San Javier (-35.6, -71.75) San Javier map pin © Google

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