Average September Rainfall for New Zealand





The tables below list monthly averages for rainfall during September at cities and towns around New Zealand.

You can jump to a separate table for places on the North Island and South Island.

Each place has a total for how many days of wet weather it usually gets a year and for the normal amount of precipitation. The calculation of days only includes the days when rain totalled at least one millimetre (0.04 inches).

The month's precipitation statistics are long-term historical averages of weather data collected during 1981 to 2010.

North Island

Average monthly precipitation in September
Days Place Inches Milli­metres
13 Auckland 4.1 105
9 Gisborne 2.9 74
12 Hamilton 3.6 92
13 Kaitaia 5.0 127
12 Masterton 2.9 74
7 Napier 2.3 58
13 New Plymouth 4.1 105
12 Palmerston North 3.4 86
11 Rotorua 4.3 109
11 Taupo 3.2 82
10 Tauranga 3.4 88
10 Wanganui 2.9 74
11 Wellington 3.9 98
13 Whangarei 4.4 112

South Island

September averages for total rainfall
Days Place Inches Milli­metres
5 Alexandra 0.8 21
9 Blenheim 2.6 65
6 Christchurch 1.6 41
9 Dunedin 1.9 48
17 Hokitika 10.2 260
13 Invercargill 3.3 84
6 Kaikoura 2.0 50
7 Lake Tekapo 2.0 50
12 Manapouri - Te Anau 3.9 100
17 Milford Sound 21.7 551
14 Mt Cook, Hermitage 11.7 297
10 Nelson 3.4 85
9 Queenstown 2.5 62
6 Timaru 1.4 37
17 Westport 7.4 187
Reference

NIWA (National Institute of Water and Atmospheric Research). Climate Data and Activities.

New Zealand Rainfall
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