Thermograph

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

Weather in Raleigh in September

In an average September, Raleigh sees a daily high around 82°F and a low around 65°F, based on 1980–2026 of local climate records.

Average high82°F
Typical high range74°F to 89°F
Average low65°F
Typical low range56°F to 72°F
Average daily precipitation0.10 in

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 100°F 1983-09-11
Lowest 55°F 1984-09-29

Low

Highest 77°F 2020-09-03
Lowest 44°F 1990-09-25

Feels-like

Highest 135°F 2014-09-02
Lowest 40°F 1990-09-25

Humidity

Highest 23.3 g/m³ 2020-09-10
Lowest 5.9 g/m³ 1985-09-14

Wind

Highest 39 mph 1996-09-06
Lowest 3 mph 1989-09-09

Gust

Highest 101 mph 1996-09-06
Lowest 8 mph 2001-09-22

Precip

Wettest 15.12 in 1999
Driest 0.78 in 2005

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