What to plant in September in Alghero This page summarizes what is worth doing in September in Alghero, using typical weather for the period and local sowing and transplanting windows.
Summary Recommended direct sowing 17 Indoor seed starts 6 Recommended transplants 14 Crops to wait on 0 September in Alghero is a month rich in garden options. There are 24 useful crops: Garlic, Swiss chard, Broccoli, Carrot, Tuscan kale, Cucumber, Onion, Green bean, Fennel, Strawberry, Lettuce, Eggplant, Potato, Pepper, Pea, Tomato, Parsley, Radish, Rosemary, Arugula, Sage, Spinach, Pumpkin, Zucchini. The same card can combine direct sowing, indoor seed starts, transplanting when they overlap in the month.
Before starting, watch especially for: overall climate risk is moderate.
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.
Direct sowing: all SeptemberEstimated harvest: June 1Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 20 to November 18Success probability: 100%Climate attention: medium dry spellTransplanting: all SeptemberEstimated harvest: from October 30 to November 28Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 30 to November 28Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 25 to November 23Success probability: 100%Climate attention: high dry spellTransplanting: all SeptemberEstimated harvest: from October 25 to November 23Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 20 to November 18Success probability: 93%Climate attention: medium dry spellStart indoors: from April 25 to September 10Expected transplant: 21 days after sowing (from May 16 to October 1)Transplanting: all SeptemberEstimated harvest: from October 20 to November 18Success probability: 93%Climate attention: medium dry spellDirect sowing: all SeptemberEstimated harvest: from November 29 to December 28Success probability: 100%Climate attention: high dry spellTransplanting: all SeptemberEstimated harvest: from November 29 to December 28Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 20 to November 18Success probability: 100%Climate attention: medium dry spellDirect sowing: all SeptemberEstimated harvest: from October 30 to November 28Success probability: 100%Climate attention: high dry spellStart indoors: from February 22 to September 26Expected transplant: 35 days after sowing (from March 28 to October 31)Transplanting: all SeptemberEstimated harvest: from October 30 to November 28Success probability: 100%Climate attention: high dry spellStart indoors: all SeptemberExpected transplant: 28 days after sowing (from February 28 to October 31)Transplanting: all SeptemberEstimated harvest: from October 30 to November 28Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 5 to November 3Success probability: 100%Climate attention: medium dry spellTransplanting: all SeptemberEstimated harvest: from October 5 to November 3Success probability: 100%Climate attention: medium dry spellTransplanting: from September 1 to September 6Estimated harvest: from November 9 to November 17Success probability: 80%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from November 29 to December 28Success probability: 100%Climate attention: high dry spellTransplanting: from September 1 to September 20Estimated harvest: from November 4 to November 25Success probability: 80%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 25 to November 23Success probability: 100%Climate attention: high dry spellTransplanting: from September 1 to September 24Estimated harvest: from November 9 to December 2Success probability: 83%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from November 19 to December 18Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from September 25 to October 24Success probability: 100%Climate attention: medium dry spellStart indoors: from March 2 to September 19Expected transplant: 42 days after sowing (from April 13 to October 31)Transplanting: all SeptemberEstimated harvest: from October 30 to November 28Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from September 25 to October 24Success probability: 100%Climate attention: medium dry spellStart indoors: from February 15 to September 19Expected transplant: 42 days after sowing (from March 28 to October 31)Transplanting: all SeptemberEstimated harvest: from October 30 to November 28Success probability: 100%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 5 to November 3Success probability: 100%Climate attention: medium dry spellDirect sowing: from September 1 to September 15Estimated harvest: from November 29 to December 13Success probability: 83%Climate attention: high dry spellTransplanting: from September 1 to September 15Estimated harvest: from November 29 to December 13Success probability: 83%Climate attention: high dry spellDirect sowing: all SeptemberEstimated harvest: from October 15 to November 13Success probability: 93%Climate attention: medium dry spellStart indoors: from April 25 to September 12Expected transplant: 21 days after sowing (from May 16 to October 3)Transplanting: all SeptemberEstimated harvest: from October 15 to November 13Success probability: 93%Climate attention: medium dry spellWhy the calendar changes Night temperatures Average minimum for the month: 21.17 C . Warm nights keep soil active, but increase plant water demand and stress for sensitive crops.
Local check In Alghero, exposure, wind, soil, and containers can move the practical date by a few days. Check the short forecast before sowing or transplanting.
Climate risk for the month Average minimum temperature 21.17 C Average maximum temperature 23.91 C Average temperature 22.46 C Average rain 43.33 mm Average dry spell 11.37 days Average solar radiation 17.78 overall climate risk is moderate FAQ Which recommendation stands out for Alghero 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%.
Which crop can be started indoors in September? For Cucumber, the useful indoor seed period is from April 25 to September 10. The expected transplanting window is from May 16 to October 1 and it is best to start seedlings 21 days earlier.
How should I read September climate for Alghero? Check irrigation and soil moisture: the average dry spell reaches 11.37 days, even with average rain of 43.33 mm. Monthly averages: minimum 21.17 C, maximum 23.91 C, rain 43.33 mm, and dry spell 11.37 days.
Sources and limits Use these dates as practical guidance, not fixed deadlines. Exposure, soil, containers, irrigation, and the next few days' forecast can move the right timing earlier or later.
Municipality registry: ISTAT Local historical climate: NASA POWER Daily API Representative weather point: GeoNames Crop needs: OrtoClima Last data update: May 10, 2026 Related pages