La Paz Weather in September
In September, La Paz averages a high of 16°C (61°F) and a low of -1°C (31°F), from 38 years of daily records (1983–2025).
16°C
Average high
61°F
-1°C
Average low
31°F
22°C
Record high
72°F · September 13, 2016
-9°C
Record low
15°F · September 2, 2018
What September Is Like in La Paz
- September 2024 was the 2nd warmest September in 38 years of records, 1.2°C (2.2°F) above the long-run average.
- 7 of the 10 warmest Septembers on record in La Paz have come since 2010.
- On average, 18 nights in September drop below freezing.
- The warmest September in the record was 2021; the coldest was 2003.
At least 1 mm of rain falls on 23% of September days.
Warmest: 2021 (18.2°C)Latest: 2024 (17.9°C)10-year averageLong-run average (16.1°C)
Look Up a Day in September
See the weather in La Paz on any September date, year by year.
Source: NOAA GHCN-Daily, El Alto Intl (1973–2025). Averages cover 1983–2025. How we compute this