Brookdale climate

Brookdale Weather in September

NOAA 1991-2020 normals for Ben Lomond #4, 3.3 km from Brookdale

Average highs run from 90°F on September 1 to 87°F on September 30, and lows from 50°F to 47°F. Normal precipitation for the month is 0.12 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 Brookdale, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
89°F
Average low
49°F
Precipitation
0.12 in
Record high
109°FSep 6, 2022
Record low
46°FSep 30, 2007
Chance of a freeze
0%
Days of 90°F or more
11.4
Daylight
12 h 58 min to 11 h 50 min
Cloud cover
16%
Humidity
67%
Dew point
50°F
Wind
5.1 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 190°F50°F108°F 201751°F 19993%0%
Sep 290°F50°F107°F 201753°F 20123%0%
Sep 390°F50°F98°F 201751°F 20003%0%
Sep 490°F50°F99°F 200851°F 20003%0%
Sep 590°F50°F104°F 202250°F 20003%0%
Sep 690°F50°F109°F 202252°F 20153%0%
Sep 790°F50°F104°F 202052°F 20053%0%
Sep 890°F50°F104°F 202251°F 20024%0%
Sep 989°F50°F97°F 202654°F 19984%0%
Sep 1089°F50°F96°F 202650°F 20124%0%
Sep 1189°F50°F97°F 201752°F 20054%0%
Sep 1289°F49°F98°F 200350°F 20054%0%
Sep 1389°F49°F98°F 200354°F 20184%0%
Sep 1489°F49°F88°F 200452°F 20184%0%
Sep 1589°F49°F92°F 200450°F 20064%0%
Sep 1689°F49°F87°F 202550°F 20064%0%
Sep 1789°F49°F94°F 200052°F 20064%0%
Sep 1888°F49°F98°F 200049°F 20185%0%
Sep 1988°F49°F98°F 200050°F 20085%0%
Sep 2088°F49°F95°F 200048°F 20045%0%
Sep 2188°F49°F97°F 200350°F 20045%0%
Sep 2288°F48°F95°F 200350°F 20175%0%
Sep 2388°F48°F95°F 202450°F 20105%0%
Sep 2488°F48°F95°F 201950°F 20055%0%
Sep 2588°F48°F99°F 201949°F 20056%0%
Sep 2687°F48°F98°F 201651°F 20046%0%
Sep 2787°F48°F96°F 201049°F 20136%0%
Sep 2887°F48°F101°F 202051°F 20016%0%
Sep 2987°F47°F95°F 201047°F 20196%0%
Sep 3087°F47°F95°F 200146°F 20076%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brookdale, in percent, and of at least 0.1 inch of snowfall.024681102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

September 1
sunrise 6:39 AM, sunset 7:37 PM
September 30
sunrise 7:03 AM, sunset 6:53 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00040673 (Ben Lomond #4), public domain. Records: NOAA GHCN-Daily, station USW00023293, 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.