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Santa Clara, CA Weather on October 9

October 9th in Santa Clara, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 54°F. Over 55 years of records, the warmest October 9th was in 1996 (80°F average), while the coldest was 1975 (57°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 11% of October 9th dates historically. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
77°F
Avg Low
54°F
Record High
96°F
1996
Record Low
47°F
2005
Santa Clara, CA on October 9 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on October 9

Planning for October 9th in Santa Clara, CA? Great weather for outdoor activities.

October 9 Weather Records for Santa Clara

  • •The all-time record high for October 9th in Santa Clara, CA is 96°F, set in 1996.
  • •The coldest October 9th on record dropped to 47°F in 2005.
  • •Temperatures have reached 90°F or higher on October 9th in 2 of the last 55 years.

Frequently Asked Questions

What was the warmest October 9 ever in Santa Clara?

The warmest October 9 in Santa Clara, CA reached 96°F in 1996. That is 19°F above the long-term average high of 77°F.

What was the coldest October 9 ever in Santa Clara?

The coldest October 9 in Santa Clara, CA dropped to 47°F in 2005. That is 7°F below the long-term average low of 54°F.

What is the average temperature on October 9 in Santa Clara?

On October 9, Santa Clara averages a high of 77°F and a low of 54°F based on 55 years of NOAA weather observations from SANTA CLARA UNIV.

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

We have 55 years of weather records for October 9 in Santa Clara, CA, 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 Santa Clara

YearHighLowPrecipSnow
202574°F56°F0"--
202478°F59°F0"--
202375°F60°F0"--
202273°F58°F0"--
202174°F51°F0"--
202074°F61°F0"--
201974°F53°F0"--
201880°F57°F0"--
201784°F57°F0"--
201686°F56°F0"--
201582°F58°F0"--
201475°F55°F0"--
201368°F50°F0"--
201271°F53°F0.12"--
201176°F56°F0"--
201079°F52°F0"--
200969°F52°F0"--
200874°F51°F0"--
200771°F49°F0"--
200682°F54°F0"--
200576°F47°F0"--
200473°F55°F0"--
200373°F56°F0"--
200276°F57°F0"--
200178°F50°F0"--
200069°F55°F0.01"--
199987°F56°F0"--
199871°F47°F0"--
199769°F55°F0.41"--
199696°F65°F0"--
199576°F50°F0"--
199485°F56°F0"--
199379°F58°F0"--
199289°F54°F0"--
199189°F55°F0"--
199087°F51°F0"--
198991°F61°F0"--
198887°F54°F0"--
198769°F58°F0"--
198675°F54°F0"--
198571°F49°F0"--
198474°F57°F0"--
198375°F58°F0"--
198282°F48°F0"--
198172°F49°F0"--
198086°F54°F0"--
197979°F53°F0"--
197874°F52°F0"--
197774°F51°F0"--
197681°F55°F0"--
197567°F48°F0.02"--
197469°F47°F0"--
197369°F54°F0.11"--
197274°F58°F0.24"--
197177°F53°F0"--

Based on 55 years of data from NOAA station: SANTA CLARA UNIV

Monthly Climate Averages

Historical temperature and precipitation averages for Santa Clara, CA, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 82°F / Low: 58°F
Coldest MonthDecemberAvg High: 59°F / Low: 42°F
Jan
59°/ 42°
💧 0.3"
Feb
63°/ 44°
💧 0.3"
❄️ 0.5"
Mar
66°/ 46°
💧 0.2"
Apr
70°/ 48°
💧 1.1"
May
75°/ 52°
💧 0.1"
Jun
79°/ 56°
💧 0.1"
Jul
82°/ 58°
💧 0.1"
Aug
82°/ 58°
💧 0.1"
Sep
81°/ 57°
💧 0.1"
Oct
75°/ 52°
💧 0.2"
Nov
65°/ 46°
💧 0.2"
Dec
59°/ 42°
💧 0.3"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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