A Flush of September Warmth and High Dew Points: The trend toward above normal temperatures this month, which began on the 10th, continues in a big way through this weekend. Most observers now report September mean temperatures that are 2 to 4 degrees F warmer than normal, but have yet to see real extremes. This will change for Friday through Sunday as several areas of the state will see daytime highs soar into the 80s and 90s F, with nighttime lows in the 60s and 70s F. As a result, it is likely that some new daily temperature records will be set in terms of both warm daytime highs and warm nighttime lows. So far the highest temperature measured this month was 93 degrees F on the 14th at Browns Valley (Traverse County). This is likely to be surpassed. According to the Minnesota State Climatology Office it is especially unusual to see a series of nighttime low temperatures in the 70s F so late in the month of September. In fact for the Twin Cities climate record consecutive ni