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Hays County, TX

: September 2026 so far averaged 85.3°F in Hays 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
96°F
Warmest since 2011
4th warmest of 76
Low
71.2°F
Warmest since 2019
6th warmest of 76

No measurable precipitation in the county average of Hays County, TX for 8 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Hays County, TX since 1951: 96°F in 2026; the highest is 101°F, in 2005.
2011: 98.5°F2005: 101°F2026: 96°F 2026 96°F 2005 101°F since 2011 1951 2026
  • Normal range, 80.8 to 93°F
Every year as a table

Every 29 September low of the county average in Hays County, TX since 1951: 71.2°F in 2026; the lowest is 44.9°F, in 1967.

YearHigh, °FLow, °F
20269671.2
202590.461.7
202493.360
202394.270.1
202290.258
202191.865.8
20207950.1
201992.975.6
201881.862.2
201778.869.2
201684.859.1
201588.764.8
201485.463.7
201387.965.8
20128470.4
201198.565.2
201085.151.8
200988.561.4
200888.655
200788.766.4
200686.961.8
200510171.1
200487.461
200383.856.4
200287.760
200181.350.8
20008450.2
199992.862.5
199893.670.8
199792.463.8
199676.447.6
199589.865.5
199491.858
199389.351.7
199282.556.2
19918151.1
19908862.2
198985.450.5
19889166
198787.968.9
198688.373.9
198575.663.2
198466.853.8
198383.161.5
19829069.5
198189.562.4
198088.170.1
197993.463.6
197878.558.4
197794.873.3
197671.858.7
197586.457.7
197481.747.7
197382.253.6
197290.970.8
197187.469.1
19707555.1
196991.959.5
196882.154.9
19677244.9
196684.362.9
196584.558.3
19647561.2
196385.457
196282.158.3
196187.365.7
19608654.9
19599165.8
195879.857.8
195779.755.7
195691.858.5
195592.373
195494.675.2
195397.763
195287.257.3
195182.865.1

The month

August 2026 averaged 86.7°F in Hays 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 96°F averaged over Hays 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 71.2°F averaged over Hays County, TX, the warmest 29 September night in the county average since 2019, 6th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Austin-Bergstrom Airport, TX 22.5 mi, the nearest city with its own station