Otago weather in September
September is one of the least pleasant months in Otago: highs of 11°C (52°F) and about 47 mm (1.9 in) of rain on average. Nights average 7°C (44°F) and cloud cover 70% (NASA POWER, 2001–2025 averages). It is the 3rd driest month of the year and the 4th coolest. Compared with August, it is warmer and about as wet; October brings highs of 12°C (54°F) and 60 mm (2.4 in) of rain.
Figures are long-term averages for Dunedin, the largest city in Otago. See below for other places.
Is September a good time to visit Otago?
least pleasant month Weather score 51/100.
September is one of the least pleasant months for weather in Otago. For better conditions, consider Dec–Mar.
Does it rain a lot in Otago in September?
No, it is usually dry: about 47 mm (1.9 in) falls in an average September. It is the 3rd driest month of the year.
How warm is Otago in September?
Days average 11°C (52°F) and nights 7°C (44°F).
Otago weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 16°C (61°F) | 12°C (53°F) | 69 mm | 74% | best |
| February | 16°C (61°F) | 12°C (53°F) | 62 mm | 71% | best |
| March | 15°C (60°F) | 11°C (52°F) | 54 mm | 70% | best |
| April | 14°C (56°F) | 10°C (49°F) | 56 mm | 70% | fair |
| May | 12°C (53°F) | 8°C (47°F) | 69 mm | 70% | least pleasant |
| June | 10°C (49°F) | 7°C (44°F) | 55 mm | 68% | least pleasant |
| July | 9°C (48°F) | 6°C (43°F) | 46 mm | 67% | least pleasant |
| August | 10°C (49°F) | 6°C (44°F) | 43 mm | 71% | least pleasant |
| September | 11°C (52°F) | 7°C (44°F) | 47 mm | 70% | least pleasant |
| October | 12°C (54°F) | 8°C (46°F) | 60 mm | 72% | fair |
| November | 14°C (56°F) | 9°C (48°F) | 63 mm | 75% | fair |
| December | 15°C (59°F) | 11°C (51°F) | 66 mm | 76% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Otago in September
Weather can differ a lot within Otago: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Dunedin | 11°C (52°F) | 7°C (44°F) | 47 mm | least pleasant |
| Queenstown | 7°C (45°F) | -1°C (31°F) | 110 mm | least pleasant |