Weather on September 1
Plano, TX
55 Years of Data
Avg High
92°F
Avg Low
72°F
Warmest
2000
91°F avg
Coldest
2003
71°F avg
About This Date
September 1st in Plano, TX typically brings hot fall weather, with average highs around 92°F and lows near 72°F. Over 55 years of records, the warmest September 1st was in 2000 (91°F average), while the coldest was 2003 (71°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 22% of September 1st dates historically, with the wettest September 1st recording 6.1" of rain. The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.2°F warmer on this date compared to 20-30 years ago.
Planning for September 1st in Plano, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 73° | 81° | 0.03" | — |
| 2024 | 94° | 74° | 84° | 1.14" | — |
| 2023 | 95° | 75° | 85° | — | — |
| 2022 | 86° | 72° | 79° | 3.81" | — |
| 2021 | 97° | 79° | 88° | — | — |
| 2020 | 88° | 70° | 79° | — | — |
| 2019 | 94° | 71° | 82° | — | — |
| 2018 | 94° | 77° | 85° | — | — |
| 2017 | 89° | 75° | 82° | — | — |
| 2016 | 90° | 72° | 81° | 0.03" | — |
| 2015 | 93° | 74° | 83° | — | — |
| 2014 | 96° | 75° | 86° | — | — |
| 2013 | 103° | 79° | 91° | — | — |
| 2012 | 97° | 78° | 87° | — | — |
| 2011 | 101° | 78° | 89° | — | — |
| 2010 | 91° | 75° | 83° | 0.13" | — |
| 2009 | 88° | 67° | 77° | — | — |
| 2008 | 92° | 71° | 81° | — | — |
| 2007 | 91° | 73° | 82° | — | — |
| 2006 | 97° | 75° | 86° | — | — |
| 2005 | 100° | 62° | 81° | — | — |
| 2004 | 89° | 61° | 75° | — | — |
| 2003coldest | 74° | 69° | 71° | 5.66" | — |
| 2002 | 93° | 69° | 81° | — | — |
| 2001 | 84° | 71° | 78° | — | — |
| 2000warmest | 108° | 75° | 91° | — | — |
| 1999 | 94° | 67° | 80° | — | — |
| 1998 | 99° | 68° | 83° | — | — |
| 1997 | 100° | 81° | 90° | — | — |
| 1996 | 81° | 68° | 74° | 2.24" | — |
| 1995 | 101° | 72° | 86° | — | — |
| 1994 | 79° | 68° | 73° | 6.1" | — |
| 1993 | 94° | 68° | 81° | — | — |
| 1992 | 91° | 72° | 81° | — | — |
| 1991 | 83° | 72° | 77° | — | — |
| 1990 | 99° | 80° | 89° | — | — |
| 1989 | 100° | 75° | 88° | — | — |
| 1988 | 92° | 63° | 77° | — | — |
| 1987 | 90° | 65° | 77° | — | — |
| 1986 | 83° | 64° | 73° | 1.02" | — |
| 1985 | 107° | 71° | 89° | — | — |
| 1984 | 95° | 70° | 82° | — | — |
| 1983 | 96° | 69° | 83° | 3.05" | — |
| 1982 | 97° | 74° | 85° | — | — |
| 1981 | 87° | 73° | 80° | — | — |
| 1980 | 98° | 77° | 88° | — | — |
| 1979 | 93° | 73° | 83° | — | — |
| 1978 | 88° | 70° | 79° | — | — |
| 1977 | 92° | 70° | 81° | — | — |
| 1976 | 75° | 69° | 72° | 2.01" | — |
| 1975 | 96° | 71° | 84° | — | — |
| 1974 | 91° | 73° | 82° | — | — |
| 1973 | 94° | 70° | 82° | — | — |
| 1972 | 83° | 69° | 76° | 1.22" | — |
| 1971 | 91° | 64° | 78° | — | — |
55 years of data from RICHARDSON