Normal weather for Santiago in September
It's warm in September in Santiago with an average temperature of 29°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 25°C and 26°C.
In September, there is an average of 91 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the East.
Santiago in September |
New York | ||
|---|---|---|---|
 Average Temperature |
29°C | 27°C | |
 High Temp |
31°C | 31°C | |
| Low Temp |
29°C | 21°C | |
 Total Precipitation |
91 mm | 57 mm | |
| Rainy Days |
12 days | 9 days | |
Start of September
The month of September starts in Santiago with hot temps, averaging around 30°C during the day and nights around 26°C. You can expect regular precipitation, but there will also be some sunny days in the early part of the month. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid September
By mid-September, daytime temps stay steady at around 30°C, with nights around 26°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of September
By the end of September, the average daytime temperature in Santiago is around 30°C, while nighttime temps are about 26°C. A shower might pop up, but overall, the weather will be dry and sunny. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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Water temperature
The water temperature at Santiago is 29°C this month. Nice and warm for a swim.
UV index
The UV index is a maximum of 9 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 Santiago?
Looking for great weather? September is a good time to be in Santiago. The temperatures are nice, and there’s not too much rain.
Temperature records for Santiago in September
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Daily Temperature in September in Santiago
This chart shows the average daily high and low temperatures in September for Santiago, 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 Precipitation in September in Santiago
The chart below shows the average daily precipitation in September for Santiago, 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 Santiago.
Daily UV Index in September in Santiago
This chart shows the average daily UV index in September in Santiago, 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.
Temperature in September in Santiago Over the Years
This chart shows the average temperature in September in Santiago, measured in degrees Celsius, over the past few years.
Total Precipitation in September in Santiago Over the Years
This chart shows the average precipitation in September in Santiago, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in September for Santiago
Click on any day in September to get detailed info about the usual weather on that day in Santiago. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Santiago
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Average Weather in Santiago by Month
Click on a month below to see detailed weather info for Santiago. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
