Chengdu in September: what to plant
Averaged over the last 5 years of daily records, September in Chengdu runs 20.4–27.8°C with about 131 mm of rain across the month. Here is what that climate actually supports.
❄️ No sub-zero nights in September in the last 5 years — frost is not the limiting factor here.
Best crops to sow now
- 🌱 Microgreens Fastest about 6 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🌿 Basil about 22 days to harvest 🪴 Windowsill pot — sheltered from outdoor weather
- 🥬 Bok Choy about 24 days to harvest Recent mean 24.1°C — right in the sweet spot
- 🍓 Strawberry about 38 days to harvest Recent mean 24.1°C — right in the sweet spot
- 🥕 Carrot about 48 days to harvest Recent mean 24.1°C — right in the sweet spot
- 🥒 Cucumber about 71 days to harvest Recent mean 24.1°C — right in the sweet spot
- 🍅 Tomato about 93 days to harvest Recent mean 24.1°C — right in the sweet spot
- 🌶️ Chili Pepper about 103 days to harvest Recent mean 24.1°C — right in the sweet spot
Leave these for another month
- 🫛 Peas — Recent mean 24.1°C is too hot (ideal 7–21°C)
- 🥗 Lettuce — Recent mean 24.1°C is too hot (ideal 7–24°C)
- 🌿 Spinach — Recent mean 24.1°C is too hot (ideal 5–22°C)
Other months in Chengdu
Temperature and rainfall are 5-year daily normals from the ERA5 reanalysis via Open-Meteo. Suitability is scored with the same degree-day model the game runs on — it is not a generic planting calendar.