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Karnes County, TX

: September 2026 so far averaged 86.8°F in Karnes County, TX, 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
97.1°F
Warmest since 2011
4th warmest of 76
Low
72.7°F
Warmest since 2019
7th warmest of 76

No measurable precipitation in the county average of Karnes County, TX for 10 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Karnes County, TX since 1951: 97.1°F in 2026; the highest is 103.4°F, in 2005.
2011: 97.4°F2005: 103.4°F2026: 97.1°F 2026 97.1°F 2005 103.4°F since 2011 1951 2026
  • Normal range, 83 to 94.3°F
Every year as a table

Every 29 September low of the county average in Karnes County, TX since 1951: 72.7°F in 2026; the lowest is 47.9°F, in 1967.

YearHigh, °FLow, °F
202697.172.7
20259264.3
202496.262.3
202395.671.1
202289.856.9
202194.867.2
202080.250.7
201994.376.4
201883.667.7
201783.971.4
201688.164
201590.365.9
201485.466.7
201390.370.5
201285.670.8
201197.473.7
20108456.3
200992.369.7
200889.756.9
200789.671.2
200687.967.4
2005103.474.5
200489.761.3
200385.858.8
200288.962.3
200182.154.1
200086.853.5
199991.759.7
199894.670.7
199792.563
199675.751.1
199592.466.7
199492.258.5
199388.852.8
199284.956.2
199183.155.8
199089.564.6
198987.655.7
198892.667.3
198790.769
198691.374.5
198584.168
198479.657.1
198385.564.7
198292.168.2
198190.965.9
19809174.4
197991.262.4
197881.462
197795.772.6
197675.262.1
197587.557.7
197489.253
197385.758.9
197291.871.6
197188.269.7
197077.155.4
196992.261.5
196884.559
196775.347.9
19668965.8
196588.962
196475.163.1
196389.659.9
196285.261.4
196189.565.8
196087.555.6
195993.170.1
195880.462.3
195782.457.8
195693.359.9
195593.771.5
195495.575.6
195397.566.2
195287.559.1
195188.467.4

The month

August 2026 averaged 87.6°F in Karnes County, TX, the warmest August in the county average since 2023, 4th warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 97.1°F averaged over Karnes County, TX, the warmest 29 September in the county average since 2011, 4th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 72.7°F averaged over Karnes County, TX, the warmest 29 September night in the county average since 2019, 7th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Victoria, TX 55.9 mi, the nearest city with its own station