Mid-autumn · Weather & things to do
Siena in October
Siena cools off: highs slip to 68°F (20°C), from 78°F in September, with lows of 49°F (9°C) and about 3.2 in (82 mm) of rain.
At 85/100 for comfort (5th of 12), it's one of the best months to visit.
- Avg high
- 68°F (20°C)
- Avg low
- 49°F (9°C)
- Rain
- 3.2 in (82 mm)
- Humidity
- 78%
- Cloud cover
- 60%
- Daylight
- ~10 h 47 min
- Comfort score
- 85/100 · Great
What October feels like
Days are mild at around 68°F (20°C): comfortable for walking all day, with a layer for the evening.
Nights cool to an average low of 49°F (9°C).
Showers are part of the month, adding up to about 3.2 in (82 mm).
Plan around October
October is one of Siena's best months on the climate data.
- Start of the wettest three-month stretch (October – December), which brings about 10.3 in (262 mm) in total.
- Last of the best-scoring months: by November, the score drops to 66/100.
- Comfort slips from 90/100 in September to 85/100.
- October sits inside the Apr – Jun, Sep – Oct window our Tuscany Hill Towns route recommends.
What to pack for October
- A warm layer for eveningslows near 49°F
- Packable rain jacket or umbrellaabout 3.2 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Siena in October
With conditions on your side, the picks below favor time outside.
Museo Civico
Palazzo Pubblico's frescoed halls, including Lorenzetti's Good and Bad Government.
Antica Osteria Da Divo
Restaurant with tables in Etruscan caves beneath the city.
Santa Maria della Scala
Former medieval hospital opposite the cathedral, now a museum complex.
Antica Drogheria Manganelli
Grocery since 1879 selling panforte, local wine and oils.
Pasticceria Nannini
Siena's classic café for espresso, ricciarelli and panforte.
Nearby in October
- Chianti in October~18 mi · highs 69°F, 3.2 in rain · similar daytime temperatures, about as wet
- Val d'Orcia in October~24 mi · highs 66°F, 3.1 in rain · similar daytime temperatures, about as wet
- Florence in October~31 mi · highs 69°F, 3.3 in rain · similar daytime temperatures, about as wet
- Piran in October~188 mi · highs 66°F, 4.0 in rain · 1°C (2°F) cooler by day, 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.
Siena in October: quick answers
Is October a good time to visit Siena?
Yes. On the climate data it's one of the best months, scoring 85/100. Expect highs of 68°F (20°C) and 3.2 in (82 mm) of rain. October is inside the Apr – Jun, Sep – Oct window our Tuscany Hill Towns route recommends.
How hot is Siena in October?
Average highs are 68°F (20°C) and average lows 49°F (9°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Siena in October?
Some: about 3.2 in (82 mm) of rain falls across October on average, the 2nd-wettest month of the year. The annual total is about 28.6 in (727 mm).
What should I pack for Siena in October?
Bring a warm layer for evenings (lows near 49°F), packable rain jacket or umbrella (about 3.2 in of rain) and comfortable walking shoes (most picks involve some walking).
Routes in season in October
- Tuscany Hill Towns Apr – Jun, Sep – Oct
Planning Siena in October?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.