North America weather in September 2025

Check North America weather in September before you book your next holiday. Long-term weather averages give the best indication of the weather in September 2025 and include figures for temperature, sunshine and rainfall for North America.

Hottest places to go in North America in September

Below are average maximum temperatures at popular countries, regions and places in North America in September. Select a holiday destination to see more weather parameters.

North America regions

Recommended for North America

  • Find the cheapest fares on flights to the USA
  • Fly to Boston, LA, Miami, New York, Orlando & more
  • Depart from Heathrow, Gatwick, London City & Manchester

North America by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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