September in Siena is a favorable month for garden work. The most useful crops this month are Garlic, Swiss chard, Broccoli, Carrot, Tuscan kale, Green bean, Fennel, Strawberry, Lettuce, Pea, Radish, Rosemary, Arugula, Sage, Spinach. The same card can combine direct sowing, transplanting when they overlap in the month.
Before starting, watch especially for: overall climate risk is moderate. Crops to wait on with more care: Cucumber, Onion, Zucchini.
Crops for this month
Each crop appears once. Inside the card you can see the useful options for the month, such as direct sowing, indoor starts, transplanting, or a cautious wait.
Why the calendar changes
Climate risk for the month
Average minimum temperature
13.7 C
Average maximum temperature
25.91 C
Average temperature
19.29 C
Average rain
74.4 mm
Average dry spell
9.3 days
Average solar radiation
15.64
overall climate risk is moderate
FAQ
Which recommendation stands out for Siena in September?
Start with Garlic for direct sowing during from September 1 to September 30. The estimated harvest is June 1 and the best estimated success rate is 100%.
How should I read September climate for Siena?
Check irrigation and soil moisture: the average dry spell reaches 9.3 days, even with average rain of 74.4 mm. Monthly averages: minimum 13.7 C, maximum 25.91 C, rain 74.4 mm, and dry spell 9.3 days.
When should Cucumber be avoided in Siena?
The available Cucumber window is September 1 and remains classified as risky. The best estimated success rate is 53%; before starting, check: overall climate risk is moderate.
