Oakland climate

Oakland Weather in September

NOAA 1991-2020 normals for Charleston, 23.1 km from Oakland

Average highs run from 85°F on September 1 to 76°F on September 30, and lows from 62°F to 51°F. Normal precipitation for the month is 3.15 in over about 8 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 Oakland, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
81°F
Average low
57°F
Precipitation
3.15 in
Record high
99°FSep 1, 2011
Record low
34°FSep 25, 2001
Chance of a freeze
1%
Days of 90°F or more
4.3
Daylight
13 h 03 min to 11 h 49 min
Cloud cover
46%
Humidity
68%
Dew point
55°F
Wind
8.3 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 185°F62°F99°F 201141°F 200725%0%
Sep 285°F62°F98°F 201142°F 201725%0%
Sep 385°F61°F96°F 201149°F 202425%0%
Sep 485°F61°F97°F 202650°F 202425%0%
Sep 584°F61°F97°F 202648°F 200325%0%
Sep 684°F60°F94°F 199845°F 201125%0%
Sep 784°F60°F93°F 201545°F 202525%0%
Sep 884°F60°F94°F 200242°F 202425%0%
Sep 983°F59°F95°F 201344°F 202425%0%
Sep 1083°F59°F96°F 201346°F 201725%0%
Sep 1183°F59°F95°F 201344°F 201725%0%
Sep 1283°F58°F92°F 199845°F 200726%0%
Sep 1382°F58°F93°F 202540°F 201426%0%
Sep 1482°F58°F96°F 202540°F 201426%0%
Sep 1582°F57°F97°F 202636°F 200726%0%
Sep 1681°F57°F94°F 202642°F 199926%0%
Sep 1781°F56°F96°F 202644°F 199926%0%
Sep 1881°F56°F92°F 201843°F 202026%0%
Sep 1980°F56°F92°F 200539°F 202026%0%
Sep 2080°F55°F93°F 201739°F 200627%0%
Sep 2180°F55°F95°F 201740°F 199927%0%
Sep 2279°F54°F94°F 201739°F 199927%0%
Sep 2379°F54°F93°F 201740°F 201227%0%
Sep 2479°F54°F92°F 201736°F 201227%0%
Sep 2578°F53°F91°F 201734°F 200127%0%
Sep 2678°F53°F91°F 201738°F 200027%0%
Sep 2777°F53°F92°F 199842°F 201028%0%
Sep 2877°F52°F89°F 202537°F 202228%0%
Sep 2977°F52°F91°F 202538°F 202228%0%
Sep 3076°F51°F90°F 201939°F 200528%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Oakland, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

September 1
sunrise 6:20 AM, sunset 7:23 PM
September 30
sunrise 6:47 AM, sunset 6:36 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00111436 (Charleston), public domain. Records: NOAA GHCN-Daily, station USW00053802, 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.