Castelvetrano in Fall
In fall (September, October and November), Castelvetrano sees average daytime highs around 23°C and overnight lows near 17°C, with 187 mm of rain over about 25 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 29°C in early September to 17°C by late November. The sky is clear or mostly clear about 51% of the time across fall, and the air most often feels humid.
Fall is Castelvetrano's 2nd-best season to visit on our travel score. For the whole year in context, see Castelvetrano's year-round climate.
- Avg daytime high
- 23°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 187 mm
- 25 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.0
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Castelvetrano in Fall
Over the season highs ease from about 29°C in early September to 17°C by late November.
A typical fall day in Castelvetrano reaches about 23°C and drops to 17°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Castelvetrano
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.
Castelvetrano 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 14° / 9° | 62 | 9.6 | 9.7 | 4.4 |
| Feb | 14° / 9° | 61 | 9.5 | 10.5 | 4.4 |
| Mar | 16° / 10° | 54 | 8.5 | 11.7 | 5.5 |
| Apr | 19° / 12° | 46 | 7.8 | 12.9 | 6.6 |
| May | 23° / 16° | 22 | 4.7 | 14 | 8.1 |
| Jun | 27° / 19° | 7 | 1.6 | 14.6 | 8.1 |
| Jul | 30° / 22° | 3 | 0.6 | 14.3 | 6.8 |
| Aug | 31° / 23° | 8 | 1.7 | 13.5 | 6.2 |
| Sep | 27° / 20° | 43 | 6.4 | 12.3 | 7.3 |
| Oct | 24° / 17° | 71 | 8.2 | 11 | 7.4 |
| Nov | 19° / 13° | 73 | 10.3 | 10 | 6.2 |
| Dec | 16° / 10° | 66 | 10.2 | 9.4 | 5.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 51% of the time across fall.
Chance of precipitation in Fall
Castelvetrano gets around 187 mm of rain over 25 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 54 min in early September to 9 h 36 min 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 3.9 kWh/m².
Is fall a good time to visit Castelvetrano?
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 Castelvetrano for sightseeing.
What to pack for Castelvetrano in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Castelvetrano sees daytime highs around 23°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 25 days see rain.
Sea temperature near Castelvetrano in Fall
The nearest coast averages about 22°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 16 km away) is warmest in August at about 25°C and coldest in February near 15°C.
It's comfortable for a long swim from Jun 9 to Nov 5 — about 4.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 15 | 15 | 15 | 18 | 21 | 24 | 25 | 24 | 22 | 19 | 16 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 15 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 25 | Warm |
| Sep | 24 | Refreshing |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Castelvetrano in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Castelvetrano peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 4 | 6 | 4 | 5 | 9 | 10 | 8 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | High | Moderate | High | Very high | Extreme | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 4 | Moderate |
| May | 5 | High |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Where is Castelvetrano?
Castelvetrano sits at 37.7°N, 12.8°E, 187 m above sea level, in Italy. The nearest listed city is Mazara del Vallo, 18 km away.
Topography around Castelvetrano
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Castelvetrano.
Within 3 km, the terrain around Castelvetrano has only modest variations in elevation — a maximum elevation change of 166 m around an average of 164 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 583 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,576 m.
The land around Castelvetrano is covered by grassland (46%) and trees (21%) within 3 km, grassland (52%) and cropland (21%) within 16 km, and water (56%) and grassland (24%) 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 Castelvetrano (37.6808°, 12.7919°, elevation 187 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.