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Allen, TX Weather on October 9

October 9th in Allen, TX typically brings warm fall weather, with average highs around 81°F and lows near 57°F. Over 55 years of records, the warmest October 9th was in 2014 (81°F average), while the coldest was 1990 (59°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 35% of October 9th dates historically, with the wettest October 9th recording 2.53" of rain. The last decade has been 6.3°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
81°F
Avg Low
57°F
Record High
94°F
2017
Record Low
36°F
2000
Allen, TX on October 9 — Temperature History20°F40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on October 9

Planning for October 9th in Allen, TX? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

October 9 Weather Records for Allen

  • •The all-time record high for October 9th in Allen, TX is 94°F, set in 2017.
  • •The coldest October 9th on record dropped to 36°F in 2000.
  • •Temperatures have reached 90°F or higher on October 9th in 4 of the last 55 years.
  • •Last year (1971), October 9th was 8°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest October 9 ever in Allen?

The warmest October 9 in Allen, TX reached 94°F in 2017. That is 13°F above the long-term average high of 81°F.

What was the coldest October 9 ever in Allen?

The coldest October 9 in Allen, TX dropped to 36°F in 2000. That is 21°F below the long-term average low of 57°F.

What is the average temperature on October 9 in Allen?

On October 9, Allen averages a high of 81°F and a low of 57°F based on 55 years of NOAA weather observations from MCKINNEY MUNI AP.

How many years of weather data are available for October 9 in Allen?

We have 55 years of weather records for October 9 in Allen, TX, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

October 9 Weather History in Allen

YearHighLowPrecipSnow
202587°F66°F0"--
202486°F56°F0"--
202387°F53°F0"--
202281°F54°F0"--
202193°F66°F0"--
202081°F66°F0"--
201986°F62°F0"--
201874°F63°F0.86"--
201794°F63°F0.12"--
201675°F49°F0"--
201589°F61°F0"--
201489°F73°F0"--
201382°F53°F0"--
201277°F51°F0"--
201176°F61°F1.07"--
201085°F59°F0"--
200974°F51°F2.53"--
200881°F49°F0"--
200785°F58°F0"--
200684°F48°F0"--
200579°F42°F0"--
200470°F61°F0.54"--
200383°F63°F0.2"--
200261°F57°F1.06"--
200174°F50°F0"--
200091°F36°F0"--
199984°F63°F0.52"--
199876°F47°F0.01"--
199780°F68°F0.7"--
199683°F51°F0"--
199587°F58°F0"--
199471°F48°F0"--
199385°F49°F0.02"--
199279°F45°F0"--
199181°F52°F0"--
199070°F49°F1.96"--
198980°F47°F0"--
198870°F53°F0.07"--
198787°F63°F0"--
198676°F66°F0.06"--
198586°F68°F0"--
198481°F58°F0.03"--
198378°F62°F0.1"--
198279°F57°F1.46"--
198166°F55°F0.41"--
198089°F58°F0"--
197991°F61°F0"--
197882°F63°F0"--
197778°F43°F0"--
197682°F43°F0"--
1975--62°F0"--
197483°F57°F0"--
197386°F69°F0"--
197282°F64°F0"--
197173°F67°F0.1"--

Based on 55 years of data from NOAA station: MCKINNEY MUNI AP

Monthly Climate Averages

Historical temperature and precipitation averages for Allen, TX, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 96°F / Low: 73°F
Coldest MonthJanuaryAvg High: 55°F / Low: 33°F
Jan
55°/ 33°
💧 0.4"
❄️ 1.0"
Feb
60°/ 38°
💧 0.4"
❄️ 1.1"
Mar
69°/ 46°
💧 0.4"
❄️ 1.2"
Apr
76°/ 54°
💧 0.5"
May
83°/ 62°
💧 0.6"
Jun
91°/ 70°
💧 0.5"
Jul
95°/ 74°
💧 0.4"
Aug
96°/ 73°
💧 0.4"
Sep
89°/ 66°
💧 0.5"
Oct
79°/ 55°
💧 0.6"
Nov
67°/ 45°
💧 0.5"
❄️ 1.6"
Dec
58°/ 37°
💧 0.4"
❄️ 1.1"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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