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Plano, TX Weather on September 10
September 10th in Plano, TX typically brings warm fall weather, with average highs around 89°F and lows near 67°F. Over 55 years of records, the warmest September 10th was in 1984 (86°F average), while the coldest was 2020 (62°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 25% of September 10th dates historically, with the wettest September 10th recording 1.44" of rain. The last decade has been 2.1°F cooler on this date compared to 20-30 years ago.
What to Expect on September 10
Planning for September 10th in Plano, TX? Stay hydrated and seek shade during peak afternoon hours.
September 10 Weather Records for Plano
- •The all-time record high for September 10th in Plano, TX is 98°F, set in 1985.
- •The coldest September 10th on record dropped to 54°F in 2004.
- •Temperatures have reached 90°F or higher on September 10th in 33 of the last 55 years.
Frequently Asked Questions
What was the warmest September 10 ever in Plano?
The warmest September 10 in Plano, TX reached 98°F in 1985. That is 9°F above the long-term average high of 89°F.
What was the coldest September 10 ever in Plano?
The coldest September 10 in Plano, TX dropped to 54°F in 2004. That is 13°F below the long-term average low of 67°F.
What is the average temperature on September 10 in Plano?
On September 10, Plano averages a high of 89°F and a low of 67°F based on 55 years of NOAA weather observations from RICHARDSON.
How many years of weather data are available for September 10 in Plano?
We have 55 years of weather records for September 10 in Plano, TX, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
September 10 Weather History in Plano
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 90°F | 65°F | 0" | -- |
| 2024 | 92°F | 62°F | 0" | -- |
| 2023 | 94°F | 70°F | 0" | -- |
| 2022 | 88°F | 65°F | 0" | -- |
| 2021 | 91°F | 65°F | 0.01" | -- |
| 2020 | 68°F | 56°F | 1.08" | -- |
| 2019 | 95°F | 74°F | 0" | -- |
| 2018 | 76°F | 67°F | 0.05" | -- |
| 2017 | 83°F | 61°F | 0" | -- |
| 2016 | 82°F | 67°F | 1.01" | -- |
| 2015 | 92°F | 71°F | 0" | -- |
| 2014 | 91°F | 78°F | 0" | -- |
| 2013 | 94°F | 75°F | 0" | -- |
| 2012 | 91°F | 60°F | 0" | -- |
| 2011 | 92°F | 59°F | 0" | -- |
| 2010 | 92°F | 75°F | 0" | -- |
| 2009 | 93°F | 71°F | 0.35" | -- |
| 2008 | 81°F | 70°F | 0.63" | -- |
| 2007 | 79°F | 72°F | 1.44" | -- |
| 2006 | 91°F | 71°F | 0" | -- |
| 2005 | 93°F | 62°F | 0" | -- |
| 2004 | 89°F | 54°F | 0.01" | -- |
| 2003 | 91°F | 65°F | 0" | -- |
| 2002 | 85°F | 69°F | 0" | -- |
| 2001 | 84°F | 57°F | 0.01" | -- |
| 2000 | 97°F | 76°F | 0" | -- |
| 1999 | 94°F | 66°F | 0.01" | -- |
| 1998 | 90°F | 63°F | 0" | -- |
| 1997 | 92°F | 71°F | 0" | -- |
| 1996 | 89°F | 63°F | 0" | -- |
| 1995 | 83°F | 63°F | 0" | -- |
| 1994 | 85°F | 62°F | 0" | -- |
| 1993 | 90°F | 60°F | 0" | -- |
| 1992 | 92°F | 66°F | 0" | -- |
| 1991 | 92°F | 70°F | 0" | -- |
| 1990 | 80°F | 70°F | 0.2" | -- |
| 1989 | 85°F | 69°F | 0" | -- |
| 1988 | 89°F | 63°F | 0" | -- |
| 1987 | 91°F | 67°F | 0.14" | -- |
| 1986 | 91°F | 74°F | 0" | -- |
| 1985 | 98°F | 71°F | 0" | -- |
| 1984 | 96°F | 75°F | 0" | -- |
| 1983 | 93°F | 68°F | 0" | -- |
| 1982 | 94°F | 63°F | 0" | -- |
| 1981 | 89°F | 58°F | 0" | -- |
| 1980 | 98°F | 72°F | 0" | -- |
| 1979 | 87°F | 55°F | 0" | -- |
| 1978 | 88°F | 70°F | 0.04" | -- |
| 1977 | 90°F | 68°F | 0" | -- |
| 1976 | 79°F | 56°F | 0" | -- |
| 1975 | 94°F | 71°F | 0" | -- |
| 1974 | 76°F | 69°F | 0.27" | -- |
| 1973 | 91°F | 68°F | 0" | -- |
| 1972 | 96°F | 73°F | 0" | -- |
| 1971 | 86°F | 74°F | 0" | -- |
Based on 55 years of data from NOAA station: RICHARDSON
Monthly Climate Averages
Historical temperature and precipitation averages for Plano, TX, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.