Weather in Santiago: September
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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 | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.6 in. | |
| more information | ||
14 days
forecast
forecast
| Santiago |
weather in
October
October
| Santiago |
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
Santiago on a weather map
Places in Chile:
Name
°F
24 Hours Forecast
Santiago
Local time: 07:23
December 22, monday
0900
66°F
NE
3 mph
3 mph
1200
77°F
E
5 mph
5 mph
1500
82°F
NE
7 mph
7 mph
1800
77°F
NE
11 mph
11 mph
2100
68°F
NE
4 mph
4 mph
December 23, tuesday
0000
63°F
NE
4 mph
4 mph
0300
59°F
NE
1 mph
1 mph
0600
59°F
N
2 mph
2 mph
