September 4 in Willow Grove, through the years

Typical high: 30.8°. Hottest: 33.6° (2019). Coldest night: 16.8° (2017).

YEARHIGHLOWRAIN
2025 30.4° 18.8° 5 mm
2024 30.3° 20.1° 0 mm
2023 32.5° 21.2° 0 mm
2022 26.8° 22.2° 12.7 mm
2021 28.9° 19.7° 0 mm
2020 30.1° 19.3° 8 mm
2019 33.6° 19.8° 0 mm
2018 33.6° 22.5° 2.6 mm
2017 28.5° 16.8° 0 mm
2016 32.2° 21° 0 mm
2015 31.9° 20.1° 0.1 mm
2014 30.2° 22° 2.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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