September 3 in San Juan, through the years

Typical high: 21.3°. Hottest: 23° (2023). Coldest night: 15.8° (2023).

YEARHIGHLOWRAIN
2024 18.8° 16.4° 8.9 mm
2023 23° 15.8° 3.9 mm
2022 21.8° 17.1° 2.5 mm
2021 21.5° 16.8° 0.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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