Sydney in September: what to plant
Over the last 5 years, September in Sydney has run 10.8–21.4°C with about 57 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 Sydney is actually having, today.
Grow one in Sydney'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 10.3 h of sunshine a day this month. Within the month it warms by about 1.0°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 Sydney usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🌿 Spinach | 38 | Oct 22 |
| 🥕 Parsnip | 88 | Dec 11 |
| 🫛 Peas | 52 | Nov 5 |
| 🥬 Napa cabbage | 61 | Nov 14 |
| 🫘 Broad bean | 64 | Nov 17 |
| 🌿 Chrysanthemum greens | 35 | Oct 19 |
| 🌿 Coriander | 39 | Oct 23 |
| 🥒 Zucchini | 78 | Dec 1 |
| 🥢 Green Beans | 74 | Nov 27 |
| ⚪ Turnip | 39 | Oct 23 |
| 🥔 Potato | 79 | Dec 2 |
| 🧅 Leek | 80 | Dec 3 |
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.
- 🌿 Spinach about 43 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🥕 Parsnip about 106 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🫛 Peas about 58 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🥬 Napa cabbage about 71 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🫘 Broad bean about 73 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🌿 Chrysanthemum greens about 38 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🌿 Coriander about 44 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🥒 Zucchini about 107 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🥢 Green Beans about 99 days to harvest Recent mean 16.1°C — right in the sweet spot
- ⚪ Turnip about 44 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🥔 Potato about 100 days to harvest Recent mean 16.1°C — right in the sweet spot
- 🧅 Leek about 96 days to harvest Recent mean 16.1°C — right in the sweet spot
Leave these for another month
- 🌶️ Okra — Recent mean 16.1°C is too cold (ideal 20–33°C)
- 🍆 Aubergine — Recent mean 16.1°C is too cold (ideal 18–32°C)
- 🍈 Winter melon — Recent mean 16.1°C is too cold (ideal 18–32°C)
Other months in Sydney
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Sydney, 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.