Thermograph

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

Weather in Fortaleza in September

In an average September, Fortaleza sees a daily high around 30°C and a low around 24°C, based on 1980–2026 of local climate records.

Average high30°C
Typical high range29°C to 31°C
Average low24°C
Typical low range24°C to 25°C
Average daily precipitation0 mm

September records

The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.

High

Highest 33°C 2025-09-26
Lowest 28°C 1980-09-05

Low

Highest 26°C 2021-09-29
Lowest 23°C 1982-09-09

Feels-like

Highest 34°C 2021-09-30
Lowest 28°C 1981-09-09

Humidity

Highest 20.5 g/m³ 1989-09-27
Lowest 15.5 g/m³ 2012-09-06

Wind

Highest 35 km/h 2011-09-17
Lowest 17 km/h 1982-09-29

Gust

Highest 58 km/h 2013-09-15
Lowest 31 km/h 1993-09-26

Precip

Wettest 27 mm 2000
Driest 0 mm 2007

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