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Brazoria County, TX

: September 2026 so far averaged 84.6°F in Brazoria 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
92.1°F
Warmest since 2023
8th warmest of 76
Low
76.1°F
Warmest since 2019
5th warmest of 76

No measurable precipitation in the county average of Brazoria County, TX for 11 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September low of the county average in Brazoria County, TX since 1951: 76.1°F in 2026; the lowest is 49.2°F, in 1967.
2019: 78.2°F1967: 49.2°F2026: 76.1°F 2026 76.1°F 1967 49.2°F since 2019 1951 2026
  • Normal range, 58.1 to 75.7°F
Every year as a table

Every 29 September high of the county average in Brazoria County, TX since 1951: 92.1°F in 2026; the highest is 96°F, in 2011 and 2005.

YearHigh, °FLow, °F
202692.176.1
202589.164.8
202491.964.9
202393.372.4
202286.562.2
202186.268.9
202082.562.4
201992.278.2
201881.371.2
20179073.6
201687.767.5
201580.870
20148571.3
201388.276.4
201285.972.6
20119674.6
201083.559.2
200991.572
200887.161.7
200788.472
200687.866.9
20059676.5
200489.867
200383.161
200287.168.1
200181.857.6
200084.758.4
199980.959.8
19989475.6
199786.766.5
199677.154.1
199588.768.4
199489.761.7
199385.357.4
199284.358.2
199180.658.2
199087.865.1
198982.559.9
198889.568
198779.770
198689.277
198582.968.7
198474.759.7
198383.363.7
198288.470.5
198188.968.7
198089.374.5
197986.165.5
197876.865.6
19779174.4
197680.964.7
197581.256.7
197488.359.3
197384.565.5
197290.172.7
197188.471.3
197077.357.7
196990.264.1
196884.961.8
196770.649.2
196686.864.6
196586.864.4
196472.963.4
196383.162.3
196284.564.2
196189.469.2
196082.458.9
19598974.6
195876.764.6
195780.158.7
195693.564.2
195590.974.2
195487.474.5
195393.368.6
195286.962.2
195186.665.3

The month

August 2026 averaged 85.6°F in Brazoria 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 92.1°F averaged over Brazoria County, TX, the warmest 29 September in the county average since 2023, 8th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 76.1°F averaged over Brazoria County, TX, the warmest 29 September night in the county average since 2019, 5th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Galveston, TX 35.1 mi, the nearest city with its own station