World Resorts Chile Santiago Weather

Santiago weather in September

Weather in Santiago: September

Average day temperature: 64.0°F
Average night temperature: 47.6°F
Number of sunny days: 21 days
Day length: 11.4 - 12.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 79°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during September were 67.2°F and 46.8°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Santiago in September is 0.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 4.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.4.

Best time for vacation in Santiago

Sunniest months:
January 30 days
March 29 days
December 29 days
Warmest months:
January 81.5 °F
February 80.9 °F
December 79.5 °F
Coldest months:
July 57.1 °F
June 57.5 °F
August 59.9 °F
Rainiest months:
June 3 days
July 2 days
August 2 days
Windiest months:
January 5.6 mph
December 5.4 mph
February 5.1 mph

Santiago on a weather map

Santiago
+61°F
E 1 mph
Feels like: +61°F
Precip.: 0%
Places in Chile:
Name
°F
+57°F
+61°F
+63°F
+57°F
+57°F
+63°F
+59°F
+57°F
+59°F
+70°F
+43°F
+46°F
+45°F
24 Hours Forecast
Santiago
Local time: 05:26
December 05, friday
0600
61°F
E
1 mph
0900
73°F
NE
4 mph
1200
84°F
NE
7 mph
1500
88°F
NE
9 mph
1800
81°F
NE
12 mph
2100
72°F
NE
5 mph
December 06, saturday
0000
68°F
NE
2 mph
0300
66°F
E
1 mph
Units of measurement: °C / °F