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Union County, NC

: September 2026 so far averaged 75.3°F in Union County, NC, the warmest 1 to 29 September in the county average since 2019, 9th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).

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

High
80.5°F
Warmest since 2024
36th warmest of 76
Low
50.4°F
Coldest since 2022
19th coldest of 76

No measurable precipitation in the county average of Union County, NC for 4 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, NC since 1951: 50.4°F in 2026; the lowest is 43.3°F, in 1962.
2022: 48.9°F1962: 43.3°F2026: 50.4°F 2026 50.4°F 1962 43.3°F since 2022 1951 2026
  • Normal range, 46.1 to 68.2°F
Every year as a table

Every 29 September high of the county average in Union County, NC since 1951: 80.5°F in 2026; the highest is 92.6°F, in 1954.

YearHigh, °FLow, °F
202680.550.4
202578.366.1
202482.364.5
202375.858.4
202269.948.9
202185.457.6
202079.863.2
201992.267.2
201883.168.1
201790.965.4
201685.165.6
201577.770.1
201477.659.9
201373.652.7
201284.259.8
201183.760.5
201076.259.4
200985.450
200882.460.9
200785.953.9
200681.548
200583.462
200482.959.8
200377.145.6
200279.764.6
200171.946.2
200074.348.3
199977.870.1
199885.668.7
199769.561.1
199682.259
199577.752
199477.651
199374.843.6
199279.260
199174.545.4
199081.353.4
198972.147.4
198880.356.9
198781.357.5
198690.167.3
198575.545.3
198460.849
198379.652.6
198280.853.4
19818449.9
198057.551.7
197974.766.3
197884.154.2
197779.851.5
197681.963.9
197576.153.3
197483.865.1
197388.162.2
197281.866.8
197180.859.6
19707045
196979.648.3
196884.455.6
19677746.1
196674.265.6
196566.553.5
196484.268
19637157.5
196271.843.3
196182.753.1
196068.157.5
195984.164.6
195875.945.7
19575546.8
195666.752.3
195584.559.3
195492.663.2
195385.754.8
195279.356
195180.750.9

The month

August 2026 averaged 80.3°F in Union County, NC, the warmest August in the county average since 2016, tied 6th warmest of 132 (with 1999) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 80.5°F averaged over Union County, NC, the warmest 29 September in the county average since 2024, 36th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 50.4°F averaged over Union County, NC, the coldest 29 September night in the county average since 2022, 19th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Charlotte, NC 28.8 mi, the nearest city with its own station