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Cass County, MO

: September 2026 so far averaged 77.4°F in Cass County, MO, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
79.5°F
Warmest since 2025
30th warmest of 76
Low
60.7°F
Warmest since 2023
11th warmest of 76

No measurable precipitation in the county average of Cass County, MO for 2 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Cass County, MO since 1951: 60.7°F in 2026; the lowest is 35°F, in 1967.
2023: 61.8°F1967: 35°F2026: 60.7°F 2026 60.7°F 1967 35°F since 2023 1951 2026
  • Normal range, 43.1 to 58.1°F
Every year as a table

Every 29 September high of the county average in Cass County, MO since 1951: 79.5°F in 2026; the highest is 97.5°F, in 1953.

YearHigh, °FLow, °F
202679.560.7
20258758.2
202481.955.3
202389.861.8
202270.643.2
20218861.4
202068.444.9
201978.465.2
201868.145.9
201775.150.2
20166848.7
201582.857.1
201482.756.6
201371.447.1
20127149.6
201184.452.5
201074.950.5
200969.144.1
200883.460.3
200783.553.5
20066443.4
200570.640.3
200472.144.3
200365.839.8
200288.155.4
200173.645.6
200080.150.5
199957.244.9
199888.164.8
199776.952.2
199671.743.5
199582.857.9
199476.749.3
199371.643.8
199265.638.2
199181.352.1
199080.154.8
198976.341.5
198879.958.4
198769.851.9
198684.766.6
198561.649.6
198455.737.2
198384.960.4
198282.761.4
198179.753.1
198065.750.6
197985.855.2
197878.747.7
197772.956
197660.247.7
197567.446.3
197464.140.2
197369.851.7
197278.147.4
197186.369.7
19707848
196979.455.4
196881.455.5
196761.635
196670.550.3
196578.356.2
196469.541.9
196382.249
196267.946.9
196170.545.1
196079.350.1
195971.747.1
195867.546.3
195771.140.3
195689.757.3
19558161.6
19548662.5
195397.567.2
195291.656.3
195164.440.8

The month

August 2026 averaged 78.4°F in Cass County, MO, the warmest August in the county average since 2011, tied 30th warmest of 132 (with 1984 and 1901) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 79.5°F averaged over Cass County, MO, the warmest 29 September in the county average since 2025, 30th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 60.7°F averaged over Cass County, MO, the warmest 29 September night in the county average since 2023, 11th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Kansas City, MO 49.3 mi, the nearest city with its own station