Early autumn · Weather & things to do
Val d'Orcia in September
Val d'Orcia cools off: highs slip to 76°F (24°C), from 87°F in August, with lows of 55°F (13°C) and about 3.0 in (76 mm) of rain.
September opens the best stretch on our comfort score, at 89/100 (2nd of 12).

- Avg high
- 76°F (24°C)
- Avg low
- 55°F (13°C)
- Rain
- 3.0 in (76 mm)
- Humidity
- 67%
- Cloud cover
- 50%
- Daylight
- ~12 h 17 min
- Comfort score
- 89/100 · Great
What September feels like
Highs settle around 76°F (24°C), warm enough for short sleeves most of the day.
Nights cool to an average low of 55°F (13°C).
Some rain is likely, about 3.0 in (76 mm) in the month, so pack for a shower or two.
Plan around September
September is one of Val d'Orcia's best months on the climate data.
- Last warm month for a while: October highs fall to 66°F.
- Opens the best-scoring stretch on our comfort score: May & June and September & October.
- The year's biggest cool-down: highs drop 6°C (11°F) from August.
- Comfort improves from 84/100 in August to 89/100.
- September sits inside the Apr – Jun, Sep – Oct window our Tuscany Hill Towns route recommends.
What to pack for September
- Light, breathable clothes76°F afternoons
- Packable rain jacket or umbrellaabout 3.0 in of rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Val d'Orcia in September
With conditions on your side, the picks below favor time outside.
Pienza
Renaissance town rebuilt by Pope Pius II, with pecorino shops and valley views.
Abbazia di Sant'Antimo
Romanesque abbey in a valley below Montalcino.
Fortezza di Montalcino
14th-century fortress with an enoteca for Brunello di Montalcino tastings.
Cantine Contucci
Ancient cellars under Piazza Grande, making Vino Nobile for centuries.
Osteria Acquacheta
Tiny osteria serving bistecca and pecorino at shared tables.
Nearby in September
- Siena in September~24 mi · highs 78°F, 2.6 in rain · 1°C (2°F) warmer by day, about as wet
- Chianti in September~39 mi · highs 79°F, 2.6 in rain · 2°C (3°F) warmer by day, about as wet
- Florence in September~52 mi · highs 79°F, 2.6 in rain · 2°C (3°F) warmer by day, about as wet
- Piran in September~193 mi · highs 75°F, 4.4 in rain · similar daytime temperatures, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Val d'Orcia in September: quick answers
Is September a good time to visit Val d'Orcia?
Yes. On the climate data it's one of the best months, scoring 89/100. Expect highs of 76°F (24°C) and 3.0 in (76 mm) of rain. September is inside the Apr – Jun, Sep – Oct window our Tuscany Hill Towns route recommends.
How hot is Val d'Orcia in September?
Average highs are 76°F (24°C) and average lows 55°F (13°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Val d'Orcia in September?
Some: about 3.0 in (76 mm) of rain falls across September on average, the 4th-wettest month of the year. The annual total is about 30.8 in (782 mm).
What should I pack for Val d'Orcia in September?
Bring light, breathable clothes (76°F afternoons), packable rain jacket or umbrella (about 3.0 in of rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Val d'Orcia
Routes in season in September
- Tuscany Hill Towns Apr – Jun, Sep – Oct
Planning Val d'Orcia in September?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





