September Temperatures in 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

Average Temperatures in September for New Zealand

North Island

South Island

Other Islands

Reference

More on Weather in New Zealand