Weather on September 18
San Angelo, TX
55 Years of Data
About This Date
September 18th in San Angelo, TX typically brings hot fall weather, with average highs around 90°F and lows near 65°F — a 25°F daily swing. Over 56 years of records, the warmest September 18th was in 1997 (87°F average), while the coldest was 1981 (63°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 20% of September 18th dates historically, with the wettest September 18th recording 1.57" of rain. The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.2°F warmer on this date compared to 20-30 years ago.
Planning for September 18th in San Angelo, TX? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 97° | 72° | 84° | — | — |
| 2025 | 92° | 65° | 78° | — | — |
| 2024 | 95° | 67° | 81° | — | — |
| 2023 | 93° | 64° | 79° | — | — |
| 2022 | 96° | 70° | 83° | — | — |
| 2021 | 95° | 69° | 82° | — | — |
| 2020 | 85° | 61° | 73° | — | — |
| 2019 | 100° | 65° | 82° | — | — |
| 2018 | 89° | 69° | 79° | — | — |
| 2017 | 98° | 70° | 84° | — | — |
| 2016 | 94° | 68° | 81° | 0.26" | — |
| 2015 | 98° | 74° | 86° | — | — |
| 2014 | 89° | 68° | 79° | 0.17" | — |
| 2013 | 90° | 72° | 81° | — | — |
| 2012 | 81° | 63° | 72° | 0.02" | — |
| 2011 | 98° | 69° | 84° | — | — |
| 2010 | 94° | 70° | 82° | — | — |
| 2009 | 79° | 64° | 71° | — | — |
| 2008 | 82° | 52° | 67° | — | — |
| 2007 | 90° | 69° | 79° | — | — |
| 2006 | 80° | 56° | 68° | — | — |
| 2005 | 96° | 70° | 83° | — | — |
| 2004 | 90° | 69° | 79° | — | — |
| 2003 | 88° | 65° | 76° | — | — |
| 2002 | 97° | 73° | 85° | — | — |
| 2001 | 92° | 69° | 80° | — | — |
| 2000 | 96° | 53° | 75° | — | — |
| 1999 | 89° | 61° | 75° | — | — |
| 1998 | 84° | 66° | 75° | 0.19" | — |
| 1997warmest | 101° | 74° | 87° | — | — |
| 1996 | 90° | 66° | 78° | — | — |
| 1995 | 93° | 69° | 81° | — | — |
| 1994 | 84° | 54° | 69° | — | — |
| 1993 | 88° | 63° | 75° | — | — |
| 1992 | 91° | 60° | 76° | — | — |
| 1991 | 83° | 67° | 75° | 0.52" | — |
| 1990 | 86° | 63° | 74° | 0.5" | — |
| 1989 | 87° | 57° | 72° | — | — |
| 1988 | 76° | 64° | 70° | 1.57" | — |
| 1987 | 93° | 60° | 77° | 0.51" | — |
| 1986 | 90° | 71° | 80° | — | — |
| 1985 | 87° | 66° | 77° | — | — |
| 1984 | 87° | 55° | 71° | — | — |
| 1983 | 95° | 70° | 82° | — | — |
| 1982 | 94° | 67° | 80° | — | — |
| 1981coldest | 73° | 54° | 63° | — | — |
| 1980 | 84° | 62° | 73° | — | — |
| 1979 | 85° | 54° | 69° | — | — |
| 1978 | 93° | 72° | 82° | — | — |
| 1977 | 95° | 71° | 83° | — | — |
| 1976 | 86° | 65° | 75° | 0.04" | — |
| 1975 | 95° | 63° | 79° | — | — |
| 1974 | 73° | 66° | 70° | 1.26" | — |
| 1973 | 78° | 57° | 68° | — | — |
| 1972 | 95° | 72° | 83° | — | — |
| 1971 | 83° | 53° | 68° | 0.05" | — |
San Angelo, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Angelo, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Angelo, TX Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Angelo, TX
Most pleasant months in San Angelo, TX: March, April, October, November.