World Resorts Chile Rancagua Weather

Rancagua weather in September

Weather in Rancagua: September

Average day temperature: 62.7°F
Average night temperature: 44.5°F
Number of sunny days: 14 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 77°F. At the same time the lowest night temperature was 36°F. Daily and nightly averages during September were 64.8°F and 45.3°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 Rancagua in September is 0.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 3.1 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: 7.7.

Best time for vacation in Rancagua

Sunniest months:
January 29 days
March 29 days
December 29 days
Warmest months:
January 86.1 °F
February 85.6 °F
December 84.3 °F
Coldest months:
June 57.2 °F
July 57.2 °F
August 58.3 °F
Rainiest months:
June 4 days
July 3 days
August 3 days
Windiest months:
December 4.4 mph
January 4.2 mph
November 4.0 mph

Rancagua on a weather map

Rancagua
+57°F
NW 1 mph
Feels like: +57°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
Rancagua
Local time: 06:10
December 05, friday
0900
73°F
NE
3 mph
1200
84°F
NE
5 mph
1500
91°F
NE
8 mph
1800
88°F
NE
9 mph
2100
66°F
N
2 mph
December 06, saturday
0000
61°F
SE
2 mph
0300
61°F
NE
1 mph
0600
63°F
SW
1 mph
Units of measurement: °C / °F