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The weather in September in Chile
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.
Looking for great weather? September is a good time to be in Chile. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Chile. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2016, Chile reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 8°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -1°C to a highest value of 12°C.
Rainfall amount
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.
Daily weather 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.
September weather comparison
| Chile | New York | |
|---|---|---|
| Average temperature | 18°C | 27°C |
| Max. temperature | 20°C | 31°C |
| Min. temperature | 5°C | -5°C |
| Total precipitation | 85 mm | 57 mm |
| 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.
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.
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.
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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.
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.
Temperature charts
These charts show the average temperatures in September in Chile. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Chile
Temperature in September in Chile over the years
Precipitation charts
These charts show the average amount of precipitation in September in Chile. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Chile
Total precipitation in September in Chile over the years
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.
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.
Write your own review
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.