September 2021 Climate Summary and Highlights

September 2021 Climate Summary and Highlights

Overall, it was a relatively warm September across the region, with a mix of above and below normal rainfall. Below are some
September climate highlights for our 3 primary climate sites: Wichita, Salina, and Chanute.

WICHITA

The average monthly temperature measured at Wichita Eisenhower Airport was 75.6 degrees, which was 3.9 degrees warmer than
normal. It was the 10th warmest September since records began in 1888. Sixteen days reached or exceeded 90 degrees, which was well above the normal of 8 days. Rainfall-wise, 3.04 inches was measured at Eisenhower Airport, which was just 0.01 inches
below normal. It tied for the 59th wettest September on record, and was the wettest since 2016.

SALINA

The average monthly temperature measured at Salina Municipal Airport was 74.1 degrees, which was 4.0 degrees warmer than
normal. It was the 19th warmest September since records began in 1900. Thirteen days reached or exceeded 90 degrees, which was above the normal of about 8 days. Rainfall-wise, 4.07 inches was measured, which was 1.42 inches above normal. It was the
33rd wettest September on record, and the wettest since 2019.

CHANUTE

The average monthly temperature measured at Chanute Martin-Johnson Airport was 75.8 degrees, which was 4.7 degrees warmer
than normal. It was the 9th warmest September since records began in 1897. Sixteen days reached or exceeded 90 degrees, which was well above the normal of about 5 to 6 days, and tied for the 8th most 90-degree days on record. Rainfall-wise, 4.12 inches was measured, which was just 0.02 inches above normal. It was the 52nd wettest September on record.

Temperatures
Precipitation
Miscellaneous

September 2021 Temperatures

Monthly Average Temperatures	Monthly Temperature Departure from Normal

Kansas September 2021 average temperatures (the average of each daily high and low temperature).	Kansas September 2021 average temperature departures from normal. Much of the state averaged warmer than normal for the month.

Warmest Temperatures	Coolest Temperatures

The warmest temperatures recorded during September 2021 across Kansas were in the 90s and 100s, warmest across the western half of the state.	The coolest temperatures recorded during September 2021 across Kansas were mostly in the 30s and 40s, coolest across western and northwest portions.

Monthly Temperature Rankings

Kansas September 2021 temperature rankings by division. The number 1 denotes the warmest September on record (since 1893), 129 denotes the coolest. All divisions averaged warmer than normal in September, with west-central and northwest divisions recording their 9th warmest September on record.

September 2021 Precipitation

Monthly Precipitation	Precipitation Departure from Normal

Kansas September 2021 rainfall. This map constitutes a mix of observations and radar estimates.	Kansas September 2021 departure from normal rainfall. Large portions of the state experienced near to above normal rainfall. However, there were large pockets of below normal rainfall across northeast and southeast portions.

Monthly Precipitation Rankings

Kansas September 2021 precipitation rankings by division. The number 1 denotes the wettest September on record (since 1893), 129 denotes the driest. Most divisions averaged near to above normal rainfall, with the west-central division recording its 18th wettest September on record. In contrast, the northeast division recorded its 22nd driest September.

September 2021 Miscellaneous Climate and Headline Information

September Tornado Warnings	Monthly Tornado Warnings Since 1986
No tornado warnings were issued across Kansas in September
No tornado warnings were issued across Kansas in September 2021. The long-term monthly average is about 5.	The number of tornado warnings issued across Kansas each month since 1986. September 2021 tallied no tornado warnings across the state, below the average of about 5. Furthermore, July-September 2021 tallied zero tornado warnings across the state, the first time since 1986.

September Severe Thunderstorm Warnings	Monthly Severe Thunderstorm Warnings Since 1986

The number of severe thunderstorm warnings issued by NWS offices per county across Kansas in September.	The number of severe thunderstorm warnings issued across Kansas each month since 1986. September 2021 tallied 41 severe thunderstorm warnings across the state, below the September average of about 59.

September Flash Flood Warnings	Monthly Flash Flood Warnings Since 1986

The number of Flash Flood Warnings issued across Kansas in September for life-threatening flooding potential due to very heavy rain.	The number of flash flood warnings issued across Kansas each month since 1986. September 2021 tallied 5 flash flood warnings across the state, which was below the September average of about 8-9.

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