IEM Daily Feature
Wednesday, 25 September 2019

September Min Low

Posted: 25 Sep 2019 05:30 AM

It has not felt too much like fall yet as the warmth and humidity have been persistent for much of this September. For Des Moines, the minimum temperature so far this month is only 54 degrees. The featured chart presents the minimum temperature each September on record for the site. Of course, this September has a few more days to go, but the current value is four degrees warmer than the previous warmest value of 50. The chart also shows a 30 year rolling average and the recent years have certainly pulled the average warmer. The forecast has a couple of chilly nights ahead and likely a temperature lower than 54, so it remains to be seen if we can eek out a record this year.

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