September 2025 was warmer than normal in temperatures with above-average wind speed.
The mean temperature of the month was 34.3°C which is 1.1°C above the long-term normal for September, and this goes on record as the sixth-highest mean temperature for September since 1902. This is the same as in September 2022 and 2010. Note that the highest mean monthly temperature for September was 34.8°C recorded in 2020.
Read the full summary:
Monthly Weather Summary - September 2025
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