Weather on August 9

San Antonio, TX

55 Years of Data

Avg High
96°F
Avg Low
75°F
Warmest
2023
92°F avg
Coldest
1975
78°F avg

About This Date

August 9th in San Antonio, TX typically brings hot summer weather, with average highs around 96°F and lows near 75°F. Over 55 years of records, the warmest August 9th was in 2023 (92°F average), while the coldest was 1975 (78°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 9th dates historically, with the wettest August 9th recording 5.08" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

Planning for August 9th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
1.0°F per decade on this date
YearHighLowAvgPrecipSnow
2025100°78°89°
202498°75°87°
2023warmest106°78°92°
202298°77°88°
202192°77°84°
202097°74°85°
2019100°78°89°
201898°75°87°
201791°73°82°
201699°79°89°
2015101°78°89°
201499°78°88°
2013101°75°88°
201298°74°86°
2011102°78°90°
201096°76°86°
200999°77°88°
200897°74°85°
200791°74°82°
200698°76°87°
200597°73°85°0.08"
200490°72°81°0.13"
2003102°75°89°0.43"
200294°75°84°0.03"
200197°75°86°
200097°77°87°
199997°74°85°
199896°75°86°
199798°74°86°
199696°76°86°
199597°72°84°
199486°72°79°5.08"
199399°78°88°
199295°78°87°
199198°76°87°
199094°75°84°
198990°70°80°
1988102°76°89°
198797°77°87°
198698°76°87°
198599°77°88°
198494°75°84°
198392°72°82°
198287°71°79°0.43"
198198°70°84°
198092°79°85°1.09"
197994°75°84°
197892°72°82°
197794°77°85°
197696°73°85°
1975coldest90°67°78°
197493°77°85°
197393°77°85°
197289°77°83°
197192°67°79°
55 years of data from SAN ANTONIO INCARNATE WORD

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.