Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Fortaleza, Ceará, Brazil in September

In an average September, Fortaleza sees a daily high around 30°C and a low around 25°C, based on 1981–2026 of local climate records.

Average high30°C
Typical high range29°C to 31°C
Average low25°C
Typical low range24°C to 26°C
Average daily precipitation0 mm

September records

The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 32°C 2016-09-07
Lowest 27°C 1985-09-11

Low

Highest 26°C 2023-09-30
Lowest 23°C 1988-09-07

Feels-like

Highest 42°C 2023-09-20
Lowest 30°C 1985-09-11

Humidity

Highest 21.5 g/m³ 2023-09-20
Lowest 16.1 g/m³ 1988-09-07

Wind

Highest 41 km/h 2017-09-15
Lowest 20 km/h 1997-09-11

Precip

Wettest 45 mm 2000
Driest 0 mm 2024

See Fortaleza's live weather grade →

Visiting Fortaleza in September? See how its comfort stacks up against where you live.

Compare Fortaleza with your city →

‹ August · Fortaleza climate overview · October ›