San Alfonso Weather in September

September in San Alfonso sees daytime temperatures around 7°C (45°F) and lows of -5°C (23°F) at night. With around 113 mm (4.4 in) of snow/rainfall expected, it's worth packing a rain jacket.

Rainfall in San Alfonso in September

The climate data from previous years indicates about 5 days of snow/rain, averaging 113 mm (4.4 in) for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in San Alfonso in September

Daytime highs in San Alfonso in September reach 7°C (45°F), with nights around -5°C (23°F). Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. With overnight lows of -5°C (23°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in San Alfonso in September

The month experiences a moderate amount of sunlight, with 186 hours of sunshine. This provides a nice balance between sunshine and clouds.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit San Alfonso. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Chile, check out our San Alfonso's climate page.

San Alfonso Temperature in September

Min Temperature -5°C (23°F)  

Max Temperature 7°C (45°F)  

Chance of Rain 17%  

Precipitation 113 mm (4.4 in)  

Rainy days 5 days  

Humidity 76% *  

Sunshine 186 hours *  

Percentage Sunshine *  

* Data from: Santiago, Chile (44 KM, 27 Miles).

What to Wear in San Alfonso in September

Cold weather calls for smart layering in September. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in San Alfonso in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

1/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Chile, check out our San Alfonso's climate page.

More climate data for San Alfonso

Temperature Rainfall Sunshine Humidity

See the full San Alfonso climate overview or explore weather in Chile.