San Benito County Weather in September
Average highs run from 95°F on September 1 to 88°F on September 30, and lows from 50°F to 46°F. Normal precipitation for the month is 0.06 in over about 1 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 92°F
- Average low
- 48°F
- Precipitation
- 0.06 in
- Record high
- 111°FSep 6, 2020
- Record low
- 38°FSep 10, 2021
- Chance of a freeze
- 4%
- Days of 90°F or more
- 19.1
- Daylight
- 12 h 56 min to 11 h 50 min
- Cloud cover
- 14%
- Humidity
- 49%
- Dew point
- 44°F
- Wind
- 6.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 95°F | 50°F | 108°F 2017 | 46°F 1999 | 1% | 0% |
| Sep 2 | 94°F | 50°F | 110°F 2017 | 46°F 1990 | 2% | 0% |
| Sep 3 | 94°F | 50°F | 98°F 2009 | 47°F 1989 | 2% | 0% |
| Sep 4 | 94°F | 49°F | 103°F 1988 | 48°F 1982 | 2% | 0% |
| Sep 5 | 94°F | 49°F | 104°F 2020 | 47°F 1981 | 2% | 0% |
| Sep 6 | 94°F | 49°F | 111°F 2020 | 45°F 2001 | 2% | 0% |
| Sep 7 | 94°F | 49°F | 109°F 2020 | 48°F 1988 | 2% | 0% |
| Sep 8 | 94°F | 49°F | 102°F 2004 | 46°F 1992 | 2% | 0% |
| Sep 9 | 93°F | 49°F | 103°F 1984 | 45°F 1983 | 2% | 0% |
| Sep 10 | 93°F | 49°F | 101°F 2015 | 38°F 2021 | 2% | 0% |
| Sep 11 | 93°F | 49°F | 105°F 1983 | 46°F 1985 | 2% | 0% |
| Sep 12 | 93°F | 49°F | 105°F 1983 | 44°F 1985 | 2% | 0% |
| Sep 13 | 93°F | 49°F | 99°F 2019 | 46°F 1990 | 2% | 0% |
| Sep 14 | 92°F | 49°F | 96°F 1983 | 44°F 1980 | 2% | 0% |
| Sep 15 | 92°F | 48°F | 99°F 1994 | 45°F 1992 | 2% | 0% |
| Sep 16 | 92°F | 48°F | 102°F 1984 | 45°F 1980 | 2% | 0% |
| Sep 17 | 92°F | 48°F | 103°F 2000 | 40°F 1988 | 3% | 0% |
| Sep 18 | 91°F | 48°F | 98°F 2016 | 44°F 1988 | 3% | 0% |
| Sep 19 | 91°F | 48°F | 99°F 2000 | 45°F 1988 | 3% | 0% |
| Sep 20 | 91°F | 48°F | 98°F 2003 | 45°F 2004 | 3% | 0% |
| Sep 21 | 91°F | 48°F | 102°F 2003 | 45°F 1980 | 3% | 0% |
| Sep 22 | 90°F | 47°F | 100°F 2015 | 45°F 1981 | 3% | 0% |
| Sep 23 | 90°F | 47°F | 104°F 1997 | 43°F 1993 | 3% | 0% |
| Sep 24 | 90°F | 47°F | 100°F 1985 | 42°F 1981 | 3% | 0% |
| Sep 25 | 90°F | 47°F | 100°F 2010 | 44°F 2005 | 4% | 0% |
| Sep 26 | 89°F | 47°F | 101°F 1993 | 46°F 2013 | 4% | 0% |
| Sep 27 | 89°F | 47°F | 104°F 2010 | 44°F 2013 | 4% | 0% |
| Sep 28 | 89°F | 46°F | 105°F 2010 | 45°F 1982 | 4% | 0% |
| Sep 29 | 88°F | 46°F | 98°F 1988 | 45°F 1981 | 4% | 0% |
| Sep 30 | 88°F | 46°F | 102°F 1980 | 42°F 1982 | 4% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:36 AM, sunset 7:32 PM
- September 30
- sunrise 6:59 AM, sunset 6:49 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00046926 (Pinnacles Nm), public domain. Records: NOAA GHCN-Daily, station USC00044025, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.