Colle di Val d'Elsa in Fall
In fall (September, October and November), Colle di Val d'Elsa sees average daytime highs around 19°C and overnight lows near 10°C, with 329 mm of rain over about 32 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs ease from about 27°C in early September to 11°C by late November. The sky is clear or mostly clear about 37% of the time across fall, and the air most often feels dry.
Fall is Colle di Val d'Elsa's 2nd-best season to visit on our travel score. For the whole year in context, see Colle di Val d'Elsa's year-round climate.
- Avg daytime high
- 19°C
- 2nd-warmest season
- Avg overnight low
- 10°C
- Rainfall
- 329 mm
- 32 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.6
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Colle di Val d'Elsa in Fall
Over the season highs ease from about 27°C in early September to 11°C by late November.
A typical fall day in Colle di Val d'Elsa reaches about 19°C and drops to 10°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Colle di Val d'Elsa
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Colle di Val d'Elsa weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 2° | 60 | 8.7 | 0.9 | 9.1 | 1.8 |
| Feb | 10° / 2° | 68 | 8.8 | 1.1 | 10.2 | 2.5 |
| Mar | 14° / 4° | 68 | 9.3 | 0.4 | 11.6 | 4.2 |
| Apr | 17° / 7° | 79 | 11.4 | 0 | 13.2 | 5.4 |
| May | 22° / 11° | 72 | 9.9 | 0 | 14.5 | 6.7 |
| Jun | 26° / 15° | 49 | 7.3 | 0 | 15.2 | 7.4 |
| Jul | 29° / 18° | 32 | 4.4 | 0 | 14.9 | 6.7 |
| Aug | 29° / 18° | 40 | 5.6 | 0 | 13.8 | 6.5 |
| Sep | 25° / 14° | 94 | 8.9 | 0 | 12.3 | 7.1 |
| Oct | 19° / 10° | 112 | 11 | 0 | 10.8 | 6.1 |
| Nov | 14° / 6° | 123 | 12.2 | 0.1 | 9.5 | 3.7 |
| Dec | 10° / 3° | 85 | 10.6 | 0.4 | 8.8 | 2.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 37% of the time across fall.
Chance of precipitation in Fall
Colle di Val d'Elsa gets around 329 mm of rain over 32 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 7 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.9 kWh/m².
Is fall a good time to visit Colle di Val d'Elsa?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Colle di Val d'Elsa for sightseeing.
What to pack for Colle di Val d'Elsa in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Colle di Val d'Elsa sees daytime highs around 19°C and nights near 10°C. Worth packing: light clothes, a warm layer and rain gear. About 32 days see rain.
Sea temperature near Colle di Val d'Elsa in Fall
The nearest coast averages about 21°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 61 km away) is warmest in August at about 25°C and coldest in February near 14°C.
It's comfortable for a long swim from Jun 3 to Oct 22 — about 4.7 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 14 | 14 | 15 | 18 | 22 | 24 | 25 | 23 | 21 | 18 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 14 | Bracing |
| Mar | 14 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 18 | Cool |
| Dec | 16 | Cool |
UV index in Colle di Val d'Elsa in Fall
Clear-sky midday UV across fall averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Colle di Val d'Elsa peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 3 | 5 | 6 | 6 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Colle di Val d'Elsa in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Colle di Val d'Elsa is worst in March — around 17 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 14 | 17 | 16 | 15 | 14 | 12 | 13 | 12 | 13 | 12 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate | Moderate | Good | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 14 | Moderate |
| Mar | 17 | Moderate |
| Apr | 16 | Moderate |
| May | 15 | Moderate |
| Jun | 14 | Moderate |
| Jul | 12 | Good |
| Aug | 13 | Moderate |
| Sep | 12 | Moderate |
| Oct | 13 | Moderate |
| Nov | 12 | Good |
| Dec | 12 | Moderate |
Where is Colle di Val d'Elsa?
Colle di Val d'Elsa sits at 43.4°N, 11.1°E, 141 m above sea level, in Italy. The nearest listed city is Poggibonsi, 6.0 km away.
Topography around Colle di Val d'Elsa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Colle di Val d'Elsa.
Within 3 km, the terrain around Colle di Val d'Elsa has only modest variations in elevation — a maximum elevation change of 149 m around an average of 197 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 606 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,862 m.
The land around Colle di Val d'Elsa is covered by trees (46%) and grassland (23%) within 3 km, trees (65%) within 16 km, and trees (60%) within 80 km.
Italy travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / L
- 230 V · 50 Hz
- Prices
- ≈ 69% of US
- price level, 2025
- GDP per capita
- $43,309
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 5.3
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 513
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Colle di Val d'Elsa (43.4211°, 11.1274°, elevation 141 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.