São Paulo Weather

September 2026

Historical data
Average Temperature
23.2 °C
High
/
14.7 °C
Low
237.6mm
Precipitation
32.0°C
Peak Temp
10.0°C
Low Temp
30
Days Count

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

32.0°C
Tuesday, September 29

Coolest Day

14.5°C
Monday, September 7

Compare with historical weather

Load the same period from the previous 15 years.

Weather Insights

Key findings from analysis for selected period

Highly Variable Temperatures

Worth noting

Temperature swings from 10.0°C to 32.0°C (22.0°C range).

Variable Temperatures

Worth noting

Large temperature swings (22.0°C range) for a month.

High Rainfall Period

Worth noting

238mm of rain over 30 days.

⚠️

2 Exceptional Weather Events

Info

The most extreme days in this period:

Sep 29 Heat

Hottest day: 32.0°C

Sep 12 Rain

Heavy rain: 37.1mm in one day

2 Extreme Heat Index Days

Worth noting

2 days with dangerous heat index levels (41.1°C average). Temperature 31.8°C combined with 74% humidity creates hazardous conditions.

High Humidity Levels

Info

Average humidity of 83% indicates persistently moist air conditions. Heat sensation amplified during warm periods (23.2°C average temperature).

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