SIOUX FALLS, S.D. (KELO) -- It won't happen this week, but average highs are slowly falling. Meteorologist Scot Mundt looks into where temperatures usually are this month.

Temperatures this week will warm above average as highs will return to the 80s and even low 90s for parts of western South Dakota. This type of heat is around 10 degrees above the climate averages.

We're at the time of year when we're starting to see a sharper decline when it comes to our average temperatures.

At the beginning of the month, average highs are in the lower 80s with average lows in the 50s. By the time we get to the last of the month, the numbers decrease to the mid-60s in Rapid City to around 70 in central and eastern KELOLAND. At the same time, the average lows by the end of September falls to the low

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