Llaillay Weather in September
What's the weather like in Llaillay (Valparaíso) in September 2025?
The climate in Llaillay during September can be summarized as mild and dry.
September is in the spring in Llaillay and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 7°C (44°F) is normal.
| Daytime temperature | 16.6°C 61.9°F |
|---|---|
| Nightly temperature | 6.8°C 44.2°F |
| Average temperature | 11.7°C 53.1°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 24 mm 1 ins |
| Rainy days | 4 days |
| Sea temperature | 13.5°C 56.2°F |
| Humidity | 75% |
| Windspeed | 10.1kph 6 mph |
On average September is the 5th wettest month of the year in Llaillay with around 24mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
September temperatures in Llaillay
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 Llaillay in September 2025.
Other monthly averages
Best places to visit in September
Llaillay weather stats
| Hottest month: | January | 24.5°C 76.1°F |
|---|---|---|
| Driest month: | December | 1mm 0ins |
| Sunniest month: | January | 11.4hrs |
| Coldest month: | June | 13.2°C 55.8°F |
| Wettest month: | June | 90mm 3.5ins |
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