Auckland in September: what to plant
Over the last 5 years, September in Auckland has run 10.9–15.9°C with about 120 mm of rain across the month. Here is what weather like that will carry to harvest.
Everything above is a five-year average. In the game it is this — the weather Auckland is actually having, today.
Grow one in Auckland's weather right now →❄️ No sub-zero nights in September in the last 5 years — frost is not the limiting factor here.
🗓️ No night at or below 0°C in the last 5 years — frost is not a limiting factor here, and tender crops can stay out year-round.
☀️ About 9.1 h of sunshine a day this month. Within the month it warms by about 1.2°C from the first ten days to the last.
Sow this month — when would you harvest?
Assuming you sow in mid-September, then adding up the warmth Auckland usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🌿 Rocket | 37 | Oct 21 |
| 🏵️ Marigold | 73 | Nov 26 |
| 🌿 Garlic chives | 81 | Dec 4 |
| 🥕 Carrot | 82 | Dec 5 |
| 🥬 Cauliflower | 82 | Dec 5 |
| 🥬 Napa cabbage | 76 | Nov 29 |
| 🍒 Cherry Radish | 34 | Oct 18 |
| ⚪ Turnip | 51 | Nov 4 |
| 🫛 Peas | 64 | Nov 17 |
| 🟣 Beetroot | 64 | Nov 17 |
| 🍓 Strawberry | 68 | Nov 21 |
| 🫘 Broad bean | 77 | Nov 30 |
🌡️ Winter melon, Okra never accumulate enough heat outdoors in Auckland — not in any month. Locally these need a greenhouse or a warm windowsill.
Best crops to sow now
They are all ideal for this month — the only real difference is how long each one takes, so pick whatever you want to eat.
- 🌿 Rocket about 40 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🏵️ Marigold about 94 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🌿 Garlic chives about 102 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🥕 Carrot about 102 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🥬 Cauliflower about 102 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🥬 Napa cabbage about 93 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🍒 Cherry Radish about 36 days to harvest Recent mean 13.4°C — right in the sweet spot
- ⚪ Turnip about 58 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🫛 Peas about 75 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🟣 Beetroot about 75 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🍓 Strawberry about 80 days to harvest Recent mean 13.4°C — right in the sweet spot
- 🫘 Broad bean about 92 days to harvest Recent mean 13.4°C — right in the sweet spot
Leave these for another month
- 🌶️ Okra — Recent mean 13.4°C is too cold (ideal 20–33°C)
- 🍆 Aubergine — Recent mean 13.4°C is too cold (ideal 18–32°C)
- 🍈 Winter melon — Recent mean 13.4°C is too cold (ideal 18–32°C)
Other months in Auckland
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Auckland, averaged day by day over the last 5 years. Whether a crop finishes in time is worked out from its own starting temperature and heat requirement — those numbers are listed on each crop page if you want to check them.