Monthly climate guide
Rotorua weather in September
Expect cool weather in Rotorua in September: afternoons reach about 14°C (57°F), while nights drop to around 7°C (45°F). Around 87 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are 2°C warmer than August and 2°C cooler than October.
What stands out in September
- Seasonally, September counts as early spring in Rotorua — the seasons are reversed south of the equator.
- Just 370 km apart, but Rotorua runs about 2°C cooler than Paihia this month.
Avg high
14°C
57°F
Avg low
7°C
45°F
Rainfall
87 mm
some rain
Humidity
84%
relative
Sky
69%
cloud · often cloudy
Rotorua weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 24°C / 75°F | 14°C / 58°F | 76 mm | 71% | 65% |
| February | 24°C / 75°F | 15°C / 59°F | 58 mm | 72% | 63% |
| March | 22°C / 71°F | 13°C / 56°F | 91 mm | 75% | 65% |
| April | 19°C / 65°F | 11°C / 52°F | 120 mm | 81% | 62% |
| May | 15°C / 59°F | 9°C / 48°F | 93 mm | 85% | 60% |
| June | 13°C / 55°F | 7°C / 45°F | 116 mm | 88% | 61% |
| July | 11°C / 53°F | 6°C / 43°F | 113 mm | 88% | 62% |
| August | 12°C / 54°F | 6°C / 44°F | 103 mm | 87% | 66% |
| September | 14°C / 57°F | 7°C / 45°F | 87 mm | 84% | 69% |
| October | 16°C / 61°F | 9°C / 48°F | 68 mm | 81% | 71% |
| November | 19°C / 66°F | 11°C / 51°F | 64 mm | 76% | 71% |
| December | 21°C / 70°F | 13°C / 55°F | 92 mm | 74% | 72% |
What to pack for September
- A warm sweater or fleece for layering
- A mid-weight jacket
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Rotorua?
Compare the months in the chart above to find your ideal window.
Best time to visit Rotorua →Other New Zealand cities in September
Cite or embed this data
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Rotorua weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/new-zealand/rotorua/september
<a href="https://weathercompare.eu/weather/new-zealand/rotorua/september">Rotorua weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/new-zealand/rotorua" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Rotorua weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/new-zealand/rotorua/september">Rotorua weather in September</a> – WeatherCompare</p>
Rotorua in September: quick answers
Is September a good time to visit Rotorua?
September is a reasonable time for Rotorua: highs around 14°C and about 87 mm of rain, though not one of the three best months.
How warm is Rotorua in September?
Average highs are about 14°C (57°F) and average lows about 7°C (45°F), based on 10 years of daily data.
Does it rain a lot in Rotorua in September?
Rotorua typically gets around 87 mm of rain in September — some rain.
Figures are long-term averages for the area around Rotorua (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.