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Iron County, MO

: September 2026 so far averaged 76.2°F in Iron 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
80.9°F
Warmest since 2025
19th warmest of 76
Low
51.3°F
Warmest since 2025
23rd warmest of 76

No measurable precipitation in the county average of Iron County, MO for 7 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Iron County, MO since 1951: 80.9°F in 2026; the highest is 98.4°F, in 1953.
2025: 86.2°F1953: 98.4°F2026: 80.9°F 2026 80.9°F 1953 98.4°F since 2025 1951 2026
  • Normal range, 67.2 to 83.7°F
Every year as a table

Every 29 September low of the county average in Iron County, MO since 1951: 51.3°F in 2026; the lowest is 32.3°F, in 1967.

YearHigh, °FLow, °F
202680.951.3
202586.254.4
20247462
20238660.4
202266.738.3
202187.657.4
202065.642.3
201986.562.8
201875.447.4
201776.347.8
201670.347.8
201580.461
201484.353.2
201379.858
20126847.8
201178.451.9
201072.845.9
200968.643.5
200880.650.4
200781.850.5
200662.837.3
200579.344.1
20047540.6
200363.132.9
200281.255.1
200169.940.3
200075.843.3
199983.647.1
199888.661.5
199772.247.5
199667.439.1
199577.947.5
199474.642.9
199371.740.1
199269.435.1
199179.348.8
199083.756.9
198973.142.6
198875.255
19877856.3
19868866.5
198571.643.5
198456.439.3
198380.749.8
198277.250.5
198177.146
198066.649.6
197983.251
19787539.5
197772.948.4
197669.947.7
197572.546.6
197468.942
197379.956.7
197280.158.3
197188.664.6
19707341.8
19697545.2
196880.747.3
196760.232.3
196671.845.9
196575.748.7
196470.543.5
196375.149.3
196266.837.3
196173.841.1
19607843.8
195978.554.8
195865.840.4
195770.837.9
195685.645.8
195587.662.7
195484.665.2
195398.456.5
195288.649.3
195164.534.9

The month

August 2026 averaged 76.2°F in Iron County, MO, the warmest August in the county average since 2010, tied 28th warmest of 132 (with 1987 and 1959) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 80.9°F averaged over Iron County, MO, the warmest 29 September in the county average since 2025, 19th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 51.3°F averaged over Iron County, MO, the warmest 29 September night in the county average since 2025, 23rd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Poplar Bluff, MO 62.7 mi, the nearest city with its own station