Thermograph

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

Weather in Irvine, California, United States in September

In an average September, Irvine sees a daily high around 73°F and a low around 66°F, based on 1981–2026 of local climate records.

Average high73°F
Typical high range68°F to 79°F
Average low66°F
Typical low range62°F to 71°F
Average daily precipitation0.00 in

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 96°F 1988-09-04
Lowest 63°F 1999-09-18

Low

Highest 79°F 1988-09-04
Lowest 58°F 1999-09-18

Feels-like

Highest 101°F 1988-09-04
Lowest 58°F 1999-09-18

Humidity

Highest 19.5 g/m³ 1984-09-09
Lowest 8.5 g/m³ 1999-09-29

Wind

Highest 21 mph 1982-09-27
Lowest 5 mph 2003-09-27

Precip

Wettest 1.81 in 1983
Driest 0.00 in 1992

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