Harbison Canyon climate

Harbison Canyon Weather in September

NOAA 1991-2020 normals for El Capitan Dam, 7.4 km from Harbison Canyon

Average highs run from 97°F on September 1 to 91°F on September 30, and lows from 56°F to 54°F. Normal precipitation for the month is 0.13 in over about 1 wet days.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Harbison Canyon, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
94°F
Average low
55°F
Precipitation
0.13 in
Record high
114°FSep 5, 2020
Record low
49°FSep 12, 1985
Chance of a freeze
4%
Days of 90°F or more
22.7
Daylight
12 h 50 min to 11 h 52 min
Cloud cover
21%
Humidity
49%
Dew point
49°F
Wind
6.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 197°F56°F106°F 198756°F 19892%
Sep 297°F56°F109°F 198251°F 19993%
Sep 397°F56°F109°F 198856°F 19993%
Sep 497°F56°F109°F 198855°F 20003%
Sep 596°F55°F114°F 202057°F 20003%
Sep 696°F55°F107°F 202057°F 19853%
Sep 796°F55°F103°F 202455°F 19873%
Sep 896°F55°F108°F 202458°F 19873%
Sep 996°F55°F104°F 202454°F 19803%
Sep 1096°F55°F102°F 198353°F 20103%
Sep 1195°F55°F105°F 198356°F 19853%
Sep 1295°F55°F102°F 200049°F 19853%
Sep 1395°F55°F100°F 201453°F 19853%
Sep 1495°F55°F102°F 201251°F 19853%
Sep 1595°F55°F108°F 198952°F 19804%
Sep 1694°F55°F104°F 201453°F 20164%
Sep 1794°F55°F102°F 202054°F 19864%
Sep 1894°F55°F104°F 202053°F 19934%
Sep 1994°F55°F98°F 198153°F 19934%
Sep 2093°F54°F105°F 201550°F 19894%
Sep 2193°F54°F101°F 202150°F 19864%
Sep 2293°F54°F101°F 198250°F 19864%
Sep 2393°F54°F102°F 200950°F 20104%
Sep 2493°F54°F102°F 200950°F 19885%
Sep 2592°F54°F99°F 198953°F 19885%
Sep 2692°F54°F105°F 201054°F 19935%
Sep 2792°F54°F109°F 201050°F 19865%
Sep 2892°F54°F100°F 199350°F 19825%
Sep 2991°F54°F105°F 199952°F 19865%
Sep 3091°F54°F107°F 202049°F 19825%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Harbison Canyon, in percent.0123451102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (PDT).

September 1
sunrise 6:22 AM, sunset 7:12 PM
September 30
sunrise 6:41 AM, sunset 6:33 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00042709 (El Capitan Dam), public domain. Records: NOAA GHCN-Daily, station USC00042706, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.