Denver Water Department logs another warm month

September 21, 2026

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The past 30 days averaged 90.8°F highs and 60°F lows at Denver Water Department, 6°F and 5.4°F above normal respectively, with a peak of 100°F on August 22.¹ September 2025 averaged 64.5°F, 2.4°F above the 1901-2000 normal of 62.1°F and ranking 35th warmest in the 131-year record.¹ Sustained above-normal temperatures compound evaporative losses during a drought period when precipitation is also below normal.¹

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