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Gillespie County, TX

: September 2026 so far averaged 82.6°F in Gillespie 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
93.6°F
Warmest since 2011
7th warmest of 76
Low
68.7°F
Warmest since 2019
6th warmest of 76

No measurable precipitation in the county average of Gillespie County, TX for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Gillespie County, TX since 1951: 93.6°F in 2026; the highest is 98.1°F, in 2005.
2011: 95.7°F2005: 98.1°F2026: 93.6°F 2026 93.6°F 2005 98.1°F since 2011 1951 2026
  • Normal range, 78.5 to 92.6°F
Every year as a table

Every 29 September low of the county average in Gillespie County, TX since 1951: 68.7°F in 2026; the lowest is 43.3°F, in 1967.

YearHigh, °FLow, °F
202693.668.7
202587.457.3
202489.455.4
202391.466.7
20228854.4
202192.162.8
20207847.7
201992.473.1
201878.560
201771.866.1
201684.655.4
201587.957.7
201483.458.2
201383.960.8
201280.367.9
201195.761.9
201086.148.1
20098661
200886.250.3
200785.864.2
200684.455.2
200598.166.3
200482.957.8
200382.352.7
200286.655.8
200181.248.5
200082.145.9
199988.857.5
199892.464.7
19979460.1
199676.144.2
199589.266.1
199491.354.5
19938748.8
199280.551.7
199178.748.3
199085.559.7
198982.746.2
198888.565.8
198785.967.4
198687.271.5
198574.461.2
198461.750.4
19838361.8
198287.468.6
198186.257.6
198083.467.4
197995.459.7
19787654.9
197795.770.9
197669.755
197586.256.6
197478.143.9
197381.350.1
197289.866.8
197184.167
197072.254.1
196988.455.5
196880.649.6
196771.843.3
196683.759.4
196583.954.7
196475.358.3
196381.953.9
196282.455.3
196184.961.3
196086.550.7
195989.565.3
195878.457.5
195778.251.1
19568954.2
195588.570.7
195492.771.5
195397.458.2
195285.554.3
195181.164.3

The month

August 2026 averaged 84.3°F in Gillespie County, TX, the warmest August in the county average since 2023, tied 8th warmest of 132 (with 1962) (county average from NOAA's monthly county data, 1895 to 2026).

The month in words
  • Tuesday 29 September 2026: a high of 93.6°F averaged over Gillespie County, TX, the warmest 29 September in the county average since 2011, 7th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 68.7°F averaged over Gillespie 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

San Antonio, TX 60.5 mi, the nearest city with its own station