Santa Bárbara climate

Santa Bárbara Weather in September

NASA POWER reanalysis for the half-degree grid cell around Santa Bárbara, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 25°C on September 1 to 25°C on September 30, and lows from 19°C to 19°C. Normal precipitation for the month is 159 mm over about 21 wet days.

September day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Santa Bárbara, in °C, with the record for each date.1520253035151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

September at a glance

Average high
25°C
Average low
19°C
Precipitation
159 mm
Reanalysis high
31°CSep 22, 2020
Reanalysis low
16°CSep 3, 1991
Daylight
12 h 15 min to 12 h 03 min
Cloud cover
76%
Humidity
86%
Dew point
19°C
Wind
6.5 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Sep 125°C19°C28°C 202017°C 200770%
Sep 225°C19°C27°C 202017°C 199170%
Sep 325°C19°C29°C 202016°C 199169%
Sep 425°C19°C27°C 200517°C 199969%
Sep 525°C19°C30°C 202017°C 200470%
Sep 625°C19°C29°C 202017°C 201270%
Sep 725°C19°C28°C 202017°C 200671%
Sep 825°C19°C27°C 200518°C 199372%
Sep 925°C19°C27°C 202018°C 200872%
Sep 1025°C19°C30°C 202018°C 199173%
Sep 1125°C19°C28°C 202017°C 200374%
Sep 1225°C19°C30°C 202017°C 201174%
Sep 1325°C19°C29°C 202017°C 200474%
Sep 1425°C19°C28°C 202018°C 200774%
Sep 1525°C19°C31°C 202018°C 199674%
Sep 1625°C19°C27°C 200517°C 200874%
Sep 1725°C19°C31°C 202018°C 199273%
Sep 1825°C19°C27°C 201917°C 200072%
Sep 1925°C19°C30°C 202018°C 199971%
Sep 2025°C19°C27°C 200518°C 199171%
Sep 2125°C19°C31°C 202018°C 199470%
Sep 2225°C19°C31°C 202018°C 199471%
Sep 2325°C19°C27°C 201518°C 199471%
Sep 2425°C19°C29°C 202018°C 201971%
Sep 2525°C19°C31°C 202018°C 199470%
Sep 2625°C19°C30°C 202018°C 200469%
Sep 2725°C19°C28°C 202018°C 199469%
Sep 2825°C19°C30°C 202018°C 199469%
Sep 2925°C19°C28°C 201618°C 199469%
Sep 3025°C19°C29°C 202018°C 201468%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Santa Bárbara, in percent.0204060801102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

September 1
sunrise 6:37 AM, sunset 6:52 PM
September 30
sunrise 6:33 AM, sunset 6:36 PM

Every day of September: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.