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Waller County, TX

: September 2026 so far averaged 84.4°F in Waller 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
94.6°F
Warmest since 2011
5th warmest of 76
Low
72.3°F
Warmest since 2019
9th warmest of 76

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

Every 29 September high of the county average in Waller County, TX since 1951: 94.6°F in 2026; the highest is 99.7°F, in 2005.
2011: 97°F2005: 99.7°F2026: 94.6°F 2026 94.6°F 2005 99.7°F since 2011 1951 2026
  • Normal range, 79.9 to 92.9°F
Every year as a table

Every 29 September low of the county average in Waller County, TX since 1951: 72.3°F in 2026; the lowest is 45.4°F, in 1967.

YearHigh, °FLow, °F
202694.672.3
202590.162.4
202492.961.6
202394.370.6
202288.859.8
202188.768
20207958
201992.876.1
201882.669.6
201789.773.1
20168862.4
201579.168
20148868.5
201390.671.2
201288.869.2
20119772.7
20108454.8
200992.669
200887.957.7
200791.767.5
200686.758.9
200599.774.7
200491.862.2
200383.255.4
200289.964.6
20018252.9
200085.352.9
199986.558.9
199894.272.8
199789.963.6
19967549.6
199590.365.5
199492.458.6
199388.754.1
199284.156.4
19918053.6
19909063.5
198982.855.9
198892.667.3
19878169.2
198688.473.9
198582.965.4
19847255.3
198384.359.5
198291.866.3
198191.464.3
198090.269.7
197987.363.3
197879.861.9
197794.473.3
19767461
197583.255.1
19748853.6
197381.259.1
197291.371.8
197190.668.5
197076.253.6
196992.262
196884.359.4
196770.645.4
196683.360.9
196587.561.1
196470.160
196385.759.8
196285.260.4
196190.967.2
196083.356.3
195992.470
195879.360.5
195781.856.7
195696.660.4
19559471.2
195490.473
195396.365.8
195290.257.6
195185.861.9

The month

August 2026 averaged 86.6°F in Waller 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 94.6°F averaged over Waller County, TX, the warmest 29 September in the county average since 2011, 5th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 72.3°F averaged over Waller 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

Houston, TX 37.2 mi, the nearest city with its own station