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Normal weather for Chile in September

It's cool to moderate in September in Chile with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 20°C. At night, you can expect temperatures between 5°C and 8°C.

In September, there is an average of 85 mm of precipitation, spread over 12 days. The wind speed is around 3 Bft, mostly coming from the South.

Chile in September

New York
Temperature Average Temperature
18°C 27°C
Sun High Temp
20°C 31°C
Sun Low Temp
15°C 21°C
Rain Total Precipitation
85 mm 57 mm
Rain Rainy Days
12 days 9 days

Start of September

The month of September starts in Chile with cool temps, averaging around 17°C during the day and nights around 6°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month.

With the temperature difference between day and night, it’s smart to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.

Mid September

By mid-September, daytime temps rise to around 18°C, with nights around 7°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

End of September

By the end of September, the average daytime temperature in Chile is around 20°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.

Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Is September a good time to visit Chile?

Looking for great weather? September is a good time to be in Chile. The temperatures are nice, and there’s not too much rain.

Temperature records for Chile in September

Check out the climate of Chile for all months and discover the best travel time

The climate in Chile is based on weather data from Santiago. Other places, like Patagonia, Valparaíso or San Pedro de Atacama, might have different weather. You can check out all destinations in Chile to get the full picture of the climate.

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Daily Temperature in September in Chile

This chart shows the average daily high and low temperatures in September for Chile, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Chile

Weather experiences in September in Chile

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It was early spring, so it was a bit chilly at times, betwee... more

Sterre van Veluw

Daily Precipitation in September in Chile

The chart below shows the average daily precipitation in September for Chile, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 12 days of precipitation in Chile.

Daily Precipitation in September in Chile

Daily UV Index in September in Chile

This chart shows the average daily UV index in September in Chile, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in September in Chile

Temperature in September in Chile Over the Years

This chart shows the average temperature in September in Chile, measured in degrees Celsius, over the past few years.

Temperature in September in Chile Over the Years

Total Precipitation in September in Chile Over the Years

This chart shows the average precipitation in September in Chile, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Chile Over the Years

Daily Climate in September for Chile

Click on any day in September to get detailed info about the usual weather on that day in Chile. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Chile

The weather in September in Chile is rated 4 out of 5 stars by 1 visitor. Have you been to Chile? Share your weather experience to help other visitors.

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Weather experience:Good StarStarStarStar

It was early spring, so it was a bit chilly at times, between 10 and 20 degrees, but generally favorable for outdoor activities. Some rain fell here and there, but nothing to worry about.— This text is automatically translated to English

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Average Weather in Chile by Month

Click on a month below to see detailed weather info for Chile. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Chile for all months at once

Islands in Chile

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