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Bexar County, TX

: September 2026 so far averaged 86°F in Bexar 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
97.3°F
Warmest since 2011
3rd warmest of 76
Low
71.5°F
Warmest since 2019
9th warmest of 76

No measurable precipitation in the county average of Bexar 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 Bexar County, TX since 1951: 97.3°F in 2026; the highest is 102.4°F, in 2005.
2011: 97.3°F2005: 102.4°F2026: 97.3°F 2026 97.3°F 2005 102.4°F since 2011 1951 2026
  • Normal range, 81.5 to 94.1°F
Every year as a table

Every 29 September low of the county average in Bexar County, TX since 1951: 71.5°F in 2026; the lowest is 46.1°F, in 1967.

YearHigh, °FLow, °F
202697.371.5
202590.662.4
202495.559.9
202395.570.2
20229156.1
202194.667.4
202080.550.8
201995.476.1
201881.664.1
201778.270.8
201686.163
201591.665.1
201486.164.3
201388.468.3
201282.970.8
201197.369.2
201085.353.2
200990.465.9
200888.456.4
200789.269.4
200688.364.5
2005102.473.8
200487.662.4
200384.656.8
200288.160.4
20018252
200084.851.3
199991.763
19989470.5
199793.462.7
199677.548.3
199591.166.5
199492.657.8
199389.551.7
19928457.8
199182.754.7
199088.364.1
198986.853.6
198891.267.4
198789.569.1
198690.374.9
198579.364.6
198473.754.3
198383.965
198291.269.5
198190.363.2
19809074.5
19799561.3
197879.659.5
197795.572.3
197672.660.6
197587.258.4
197484.949.1
197383.556.5
197290.671.6
197187.269.4
197075.456
19699259.9
196882.856
196774.346.1
196687.364.4
196586.960.2
196476.362.4
196386.458.4
196284.159.6
196189.165.1
196089.454.7
195992.268.9
195880.759.8
195781.856.7
19569158.1
19559372.4
195495.276
195398.163.8
195287.358
19518767.4

The month

August 2026 averaged 87.5°F in Bexar County, TX, the warmest August in the county average since 2023, 5th 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 97.3°F averaged over Bexar County, TX, the warmest 29 September in the county average since 2011, tied 3rd warmest of 76 (with 2011) (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 71.5°F averaged over Bexar County, TX, the warmest 29 September night in the county average since 2019, 9th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

San Antonio, TX 7.0 mi, the nearest city with its own station