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Union County, MS

: September 2026 so far averaged 81.3°F in Union County, MS, 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
86.8°F
Warmest since 2023
18th warmest of 76
Low
53.7°F
Coldest since 2022
34th coldest of 76

No measurable precipitation in the county average of Union County, MS for 6 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Union County, MS since 1951: 53.7°F in 2026; the lowest is 35.1°F, in 1967.
2022: 47.3°F1967: 35.1°F2026: 53.7°F 2026 53.7°F 1967 35.1°F since 2022 1951 2026
  • Normal range, 45.1 to 65.3°F
Every year as a table

Every 29 September high of the county average in Union County, MS since 1951: 86.8°F in 2026; the highest is 96.2°F, in 1953.

YearHigh, °FLow, °F
202686.853.7
202585.957.3
202473.461.7
202389.162.7
20227747.3
202186.963.2
202073.149
201994.367.1
201873.257.9
20178556.7
20168749
201576.467.3
201482.760
201380.758.8
201286.562.8
201183.654.2
201076.647.8
200975.548
200884.654.7
200785.253.7
200671.842.8
200587.159.6
200480.954.6
200370.741.6
200282.858
20017747.2
200080.646
199990.165.1
199890.471.1
199783.350.8
199670.644.4
199582.552.3
199487.450.6
199376.945.2
199275.750.9
199180.545.4
199089.656.8
198964.358.2
198876.965.5
198785.863
198694.268.3
198575.145.8
198468.247.1
198382.351.5
198281.451
198184.449
198062.757.4
197983.558.2
197883.259.5
197782.861.5
197671.461
197573.144.2
197483.955.7
197384.670.4
197284.269.7
197188.965.9
197075.945.3
196981.447
196883.352.8
196760.835.1
196673.249.1
196579.259.6
196469.257.6
196371.553
196272.942.4
196184.552.5
196077.858.3
195987.265.9
195875.646.2
195765.354.3
195688.347.5
195588.468
195493.469.6
195396.255.4
195288.954.2
195174.942.3

The month

August 2026 averaged 81.8°F in Union County, MS, the warmest August in the county average since 2010, tied 20th warmest of 132 (with 1937 and 1907) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 86.8°F averaged over Union County, MS, the warmest 29 September in the county average since 2023, 18th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 53.7°F averaged over Union County, MS, the coldest 29 September night in the county average since 2022, tied 34th coldest of 76 (with 2007) (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Tupelo, MS 20.5 mi, the nearest city with its own station