São Carlos climate

São Carlos Weather in September

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

Average highs run from 24°C on September 1 to 25°C on September 30, and lows from 12°C to 14°C. Normal precipitation for the month is 162 mm over about 12 wet days.

September day by day

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

Normal daily high and low temperature at São Carlos, in °C, with the record for each date.51015202530151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
25°C
Average low
12°C
Precipitation
162 mm
Record high
30°CSep 29, 2025
Record low
7°CSep 6, 2025
Daylight
11 h 34 min to 12 h 20 min
Cloud cover
55%
Humidity
80%
Dew point
14°C
Wind
9.0 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 124°C12°C30%
Sep 224°C12°C16°C 199731%
Sep 324°C12°C26°C 202522°C 202531%
Sep 425°C12°C31%
Sep 525°C12°C17°C 20259°C 202532%
Sep 625°C12°C12°C 20257°C 202534%
Sep 724°C12°C21°C 202511°C 202536%
Sep 824°C12°C20°C 202514°C 202537%
Sep 924°C12°C38%
Sep 1025°C12°C27°C 20259°C 202539%
Sep 1125°C12°C26°C 202518°C 202540%
Sep 1225°C12°C42%
Sep 1325°C12°C43%
Sep 1425°C12°C42%
Sep 1525°C12°C19°C 202515°C 202542%
Sep 1625°C12°C22°C 202516°C 202543%
Sep 1725°C12°C29°C 202516°C 202544%
Sep 1825°C12°C46%
Sep 1925°C12°C29°C 202519°C 202547%
Sep 2025°C12°C47%
Sep 2125°C12°C47%
Sep 2225°C12°C17°C 202513°C 202546%
Sep 2325°C13°C47%
Sep 2425°C13°C24°C 202512°C 202549%
Sep 2525°C13°C23°C 202514°C 202549%
Sep 2625°C13°C23°C 202511°C 202549%
Sep 2725°C13°C28°C 202514°C 202548%
Sep 2825°C13°C49%
Sep 2925°C13°C30°C 202517°C 202551%
Sep 3025°C14°C21°C 202517°C 202551%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at São Carlos, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

September 1
sunrise 6:45 AM, sunset 6:19 PM
September 30
sunrise 6:12 AM, sunset 6:32 PM

Every day of September: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station BR002752004, every year on file, quality-flagged values removed. 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.