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The weather in Te Anau in September is very cold with temperatures between 1°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of September in Te Anau. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Te Anau during September. It’s important to get out your snow boots and warm mittens to stay warm while you explore Te Anau.
Our weather forecast can give you a great sense of what weather to expect in Te Anau in September 2025.
If you’re planning to visit Te Anau in the near future, we highly recommend that you review the 14 day weather forecast for Te Anau before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 16° / 6° | 14 | 17 | 0 | 327 mm | Ok | Te Anau in January |
| February | 16° / 6° | 11 | 17 | 0 | 284 mm | Ok | Te Anau in February |
| March | 15° / 6° | 12 | 19 | 0 | 252 mm | Ok | Te Anau in March |
| April | 12° / 4° | 12 | 17 | 1 | 290 mm | Bad | Te Anau in April |
| May | 9° / 3° | 14 | 15 | 2 | 320 mm | Awful | Te Anau in May |
| June | 7° / 1° | 11 | 16 | 4 | 233 mm | Awful | Te Anau in June |
| July | 6° / 0° | 14 | 12 | 5 | 272 mm | Awful | Te Anau in July |
| August | 8° / 0° | 12 | 15 | 3 | 262 mm | Awful | Te Anau in August |
| September | 9° / 1° | 14 | 11 | 5 | 356 mm | Awful | Te Anau in September |
| October | 10° / 2° | 16 | 13 | 3 | 370 mm | Awful | Te Anau in October |
| November | 13° / 3° | 14 | 16 | 1 | 318 mm | Bad | Te Anau in November |
| December | 15° / 5° | 12 | 19 | 0 | 275 mm | Ok | Te Anau in December |