US_outlook_September2023_temperature_20230901.png

The U.S. temperature outlook for September 2023 (view Alaska), showing places where a much warmer than average September is favored (orange to red). White areas indicate that there are equal chances for a warm, cool, or near-average September. For more details on how to interpret these maps, read our explainer Understanding NOAA's monthly climate outlooks. Map by NOAA Climate.gov, based on data from the Climate Prediction Center.