Monterey climate

Monterey Weather in September

NOAA 1991-2020 normals for Mustoe 1 Sw, 12.8 km from Monterey

Average highs run from 76°F on September 1 to 68°F on September 30, and lows from 53°F to 44°F. Normal precipitation for the month is 4.03 in over about 10 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 Monterey, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
73°F
Average low
49°F
Precipitation
4.03 in
Record high
101°FSep 1, 1932
Record low
26°FSep 24, 1974
Chance of a freeze
29%
Daylight
13 h 00 min to 11 h 50 min
Cloud cover
58%
Humidity
72%
Dew point
52°F
Wind
4.0 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 176°F53°F101°F 193242°F 193136%0%
Sep 276°F53°F100°F 193239°F 190936%0%
Sep 376°F53°F98°F 191239°F 190936%0%
Sep 476°F52°F97°F 192540°F 191635%0%
Sep 576°F52°F100°F 195440°F 199735%0%
Sep 675°F52°F100°F 189936°F 190935%0%
Sep 775°F52°F98°F 192536°F 192435%0%
Sep 875°F51°F97°F 189739°F 189634%0%
Sep 975°F51°F98°F 190040°F 202434%0%
Sep 1074°F51°F100°F 190035°F 191434%0%
Sep 1174°F50°F99°F 190034°F 191734%0%
Sep 1274°F50°F99°F 192535°F 191733%0%
Sep 1373°F50°F96°F 189736°F 197533%0%
Sep 1473°F49°F95°F 189733°F 196433%0%
Sep 1573°F49°F95°F 199835°F 197533%0%
Sep 1673°F49°F98°F 189736°F 190233%0%
Sep 1772°F48°F97°F 189732°F 191633%0%
Sep 1872°F48°F95°F 189536°F 193733%0%
Sep 1972°F48°F97°F 189529°F 191633%0%
Sep 2071°F47°F96°F 189528°F 191633%0%
Sep 2171°F47°F96°F 189530°F 191633%0%
Sep 2271°F47°F95°F 189530°F 189733%0%
Sep 2370°F46°F96°F 189532°F 190433%0%
Sep 2470°F46°F95°F 193026°F 197433%0%
Sep 2570°F46°F93°F 189530°F 196333%0%
Sep 2669°F45°F93°F 193033°F 192833%0%
Sep 2769°F45°F91°F 189532°F 191433%0%
Sep 2869°F44°F90°F 199831°F 189933%0%
Sep 2968°F44°F92°F 201931°F 189733%0%
Sep 3068°F44°F93°F 195331°F 191633%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Monterey, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

September 1
sunrise 6:48 AM, sunset 7:48 PM
September 30
sunrise 7:13 AM, sunset 7:03 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00445880 (Mustoe 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00442208, 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.