Thermograph

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

Weather in Rome, Lazio, Italy in September

In an average September, Rome sees a daily high around 28°C and a low around 17°C, based on 1981–2026 of local climate records.

Average high28°C
Typical high range23°C to 31°C
Average low17°C
Typical low range13°C to 20°C
Average daily precipitation3 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 37°C 2008-09-10
Lowest 17°C 2020-09-28

Low

Highest 24°C 2024-09-02
Lowest 8°C 2002-09-29

Feels-like

Highest 42°C 1987-09-14
Lowest 4°C 2002-09-29

Humidity

Highest 18.9 g/m³ 2022-09-08
Lowest 5.6 g/m³ 2018-09-26

Wind

Highest 42 km/h 1994-09-14
Lowest 7 km/h 2002-09-03

Precip

Wettest 137 mm 1989
Driest 8 mm 1985

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