Guangzhou in September: what to plant
Over the last 5 years, September in Guangzhou has run 25.0–31.8°C with about 284 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 Guangzhou is actually having, today.
Grow one in Guangzhou'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. Temperatures hold steady through the month.
Sow this month — when would you harvest?
Assuming you sow in mid-September, then adding up the warmth Guangzhou usually gets, one day at a time — which is why some of these run past the end of the month.
| Crop | Days | Harvest around |
|---|---|---|
| 🍈 Winter melon | 202 | Apr 4 |
| 🌶️ Okra | 113 | Jan 5 |
| 🍆 Aubergine | 181 | Mar 14 |
| 🥒 Luffa | 151 | Feb 12 |
| 🌻 Sunflower | 57 | Nov 10 |
| 🌿 Amaranth greens | 32 | Oct 16 |
| 🌱 Microgreens | 5 | Sep 19 |
| 🏵️ Marigold | 30 | Oct 14 |
| 🥒 Bitter melon | 123 | Jan 15 |
| 🌶️ Chili Pepper | 139 | Jan 31 |
| 🥢 Yardlong bean | 86 | Dec 9 |
| 🥒 Cucumber | 66 | Nov 19 |
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.
- 🍈 Winter melon about 98 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🌶️ Okra about 57 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🍆 Aubergine about 86 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🥒 Luffa about 75 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🌻 Sunflower about 50 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🌿 Amaranth greens about 30 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🌱 Microgreens about 5 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🏵️ Marigold about 29 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🥒 Bitter melon about 69 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🌶️ Chili Pepper about 79 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🥢 Yardlong bean about 60 days to harvest Recent mean 28.4°C — right in the sweet spot
- 🥒 Cucumber about 52 days to harvest Recent mean 28.4°C — right in the sweet spot
Leave these for another month
- 🌿 Dill — Recent mean 28.4°C is too hot (ideal 9–26°C)
- 🌿 Parsley — Recent mean 28.4°C is too hot (ideal 7–25°C)
- 🌿 Coriander — Recent mean 28.4°C is too hot (ideal 8–24°C)
Other months in Guangzhou
📍 Somewhere else? Look up your own city →
Temperature and rainfall come from Open-Meteo's historical observations for Guangzhou, 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.