Average Temperatures in September for New Zealand

Average temperatures for September at cities, towns, beaches and islands throughout New Zealand are listed below.

Separate lists for the North, South and outlying islands give the month's maximum and minimum temperatures, in degrees Celsius and Fahrenheit, based on weather data collected from 1991 to 2020.

North Island

Average September temperatures
High °F Low °F Place High °C Low °C
62 49 Auckland 17 10
60 52 Cape Reinga 16 11
63 45 Gisborne 17 7
63 49 Great Barrier Island 17 10
62 44 Hamilton 17 7
60 49 Kaikohe 16 9
62 49 Kaitaia 17 10
63 47 Kerikeri 17 8
61 42 Masterton 16 6
62 44 Napier 17 7
59 46 New Plymouth 15 8
59 44 Palmerston North 15 7
58 42 Rotorua 15 6
57 40 Taupo 14 5
62 47 Tauranga 17 8
63 47 Thames 17 9
63 48 Waiheke Island 17 9
56 47 Wellington 14 8
48 33 Whakapapa Village, Tongariro 9 1
59 46 Whanganui 15 8
62 50 Whangaparaoa 16 10
64 49 Whangarei 18 10
62 46 Whitianga 17 8

South Island

Average daily temperatures in September
High °F Low °F Place High °C Low °C
59 44 Akaroa 15 7
50 34 Arthur's Pass 10 1
61 43 Blenheim 16 6
61 41 Christchurch 16 5
56 42 Dunedin 13 6
60 48 Farewell Spit 16 9
57 41 Franz Josef 14 5
57 44 Greymouth 14 7
56 38 Invercargill 13 4
57 45 Kaikoura  14 7
54 35 Lake Rotoiti 12 2
54 34 Lake Tekapo 12 1
55 36 Manapouri 13 2
56 39 Milford Sound 13 4
53 35 Mt Cook 12 2
59 43 Nelson 15 6
57 39 Queenstown 14 4
55 45 Secretary Island 13 7
56 40 Timaru 14 5
58 45 Westport 15 7

Other Islands

Temperatures averages for September
High °F Low °F Place High °C Low °C
48 41 Auckland Islands 9 5
46 38 Campbell Island 8 4
56 44 Chatham Island 13 7
68 58 Raoul Island  20 14
55 41 Stewart Island, Oban 13 5
Reference

NIWA (New Zealand National Institute of Water and Atmospheric Research). The National Climate Database.

New Zealand Temperatures
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