Climate averages 1991–2020
Palmerston North weather
in September.
A cool, wet month: the 9th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a cool month in Palmerston North: daytime highs average 13.5°C and nights cool to about 6.5°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 94 mm of rain on roughly 14 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 47 min on an average September day.
The nearest other city in this atlas is Lower Hutt (112 km away). In September its highs average 13.0°C, 0.5°C cooler than Palmerston North, with 76 mm of rain.
Among the 11 cities listed in New Zealand, Palmerston North ranks 6th of 11 for the warmest September highs and 8th of 11 for the driest September (rainfall, lowest first). The mean September high of those 11 cities is 13.8°C; Palmerston North is 0.3°C cooler than that mean.
From September to October, average highs rise by 1.6°C to 15.1°C, and monthly rainfall rises from 94 mm to 109 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Palmerston North climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 20.8°C13.1°C | 13.1°C | 70 | 10.5 | 14.715 h |
| February | 21.4°C13.4°C | 13.4°C | 64 | 8.3 | 13.714 h |
| March | 19.6°C11.9°C | 11.9°C | 62 | 9.4 | 12.412 h |
| April | 16.9°C9.7°C | 9.7°C | 82 | 10.7 | 11.011 h |
| May | 14.4°C7.9°C | 7.9°C | 79 | 11.9 | 9.910 h |
| June | 12.1°C5.9°C | 5.9°C | 90 | 13.2 | 9.39 h |
| July | 11.4°C5.1°C | 5.1°C | 89 | 13.2 | 9.610 h |
| August | 12.1°C5.2°C | 5.2°C | 89 | 13.8 | 10.511 h |
| September, selected | 13.5°C6.5°C | 6.5°C | 94 | 14.2 | 11.812 h |
| October | 15.1°C8.1°C | 8.1°C | 109 | 14.9 | 13.113 h |
| November | 16.7°C9.4°C | 9.4°C | 87 | 13.6 | 14.314 h |
| December | 19.1°C11.8°C | 11.8°C | 98 | 13.5 | 15.015 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Lower Hutt in SeptemberNew Zealand · 112 kmHigh 13.0°C · Low 8.8°C · 76 mm rain
- Wellington in SeptemberNew Zealand · 125 kmHigh 12.3°C · Low 9.4°C · 74 mm rain
- Hastings, New Zealand in SeptemberNew Zealand · 132 kmHigh 14.9°C · Low 6.9°C · 60 mm rain
- New Plymouth in SeptemberNew Zealand · 194 kmHigh 13.4°C · Low 8.3°C · 173 mm rain
- Hamilton, New Zealand in SeptemberNew Zealand · 288 kmHigh 14.8°C · Low 7.1°C · 114 mm rain
- Tauranga in SeptemberNew Zealand · 301 kmHigh 14.8°C · Low 8.8°C · 112 mm rain
- Manukau City in SeptemberNew Zealand · 379 kmHigh 15.0°C · Low 9.5°C · 86 mm rain
- Auckland in SeptemberNew Zealand · 397 kmHigh 15.0°C · Low 10.0°C · 93 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Palmerston North) is explained once on the Palmerston North year overview and on the Sources, method and limits page.