Temperature (top) and Precipitation (bottom) Climate Outlooks for September 2018 issued by the National Weather Service's Climate Prediction Center at the end of August 2018. Red colors are associated with above-average temperatures while blue colors represent colder than average temperatures. Green colors represent forecasts of wetter than average conditions while brown colors reflect forecasts for drier than average conditions. The temperature outlook predicts a tilt in the odds towards a warmer than average September for most of the country while the precipitation outlook predicts drier than average conditions in the Pacific Northwest and wetter conditions in the southwestern US, central Plains and eastern seaboard. Climate.gov image using data from the Climate Prediction Center.