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Here’s Your September Outlook - Videos from The Weather Channel

Here’s Your September Outlook

September 21, 2025

As we head into the first month of meteorological fall, visions of pumpkin spice, changing leaves and sweater weather are dancing in our heads. But will September actually bring a cooldown or will it pack a last punch of sweltering summer heat? Check out whether above average warmth is in your forecast or if you’re one of the lucky ones who could see below average temperatures.