Thermograph

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

Weather in Hamilton, Waikato Region, New Zealand in September

In an average September, Hamilton sees a daily high around 15°C and a low around 9°C, based on 1981–2026 of local climate records.

Average high15°C
Typical high range13°C to 17°C
Average low9°C
Typical low range6°C to 11°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 21°C 2023-09-21
Lowest 9°C 1994-09-08

Low

Highest 14°C 1998-09-16
Lowest 1°C 2009-09-06

Feels-like

Highest 14°C 1998-09-16
Lowest -4°C 1989-09-02

Humidity

Highest 12.8 g/m³ 1988-09-19
Lowest 4.8 g/m³ 1989-09-02

Wind

Highest 65 km/h 2000-09-25
Lowest 8 km/h 1989-09-21

Precip

Wettest 166 mm 2023
Driest 40 mm 2006

See Hamilton's live weather grade →

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

Compare Hamilton with your city →

‹ August · Hamilton climate overview · October ›