Aci Castello in Fall
In fall (September, October and November), Aci Castello sees average daytime highs around 22°C and overnight lows near 19°C, with 210 mm of rain over about 22 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 27°C in early September to 17°C by late November. The sky is clear or mostly clear about 55% of the time across fall, and the air most often feels humid.
Fall is Aci Castello's 2nd-best season to visit on our travel score. For the whole year in context, see Aci Castello's year-round climate.
- Avg daytime high
- 22°C
- 2nd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 210 mm
- 22 wet days
- Avg wind
- 10 km/h
- Travel score
- 7.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Aci Castello in Fall
Over the season highs ease from about 27°C in early September to 17°C by late November.
A typical fall day in Aci Castello reaches about 22°C and drops to 19°C overnight. The warmest of the three months is September, the coolest November.
Aci Castello 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° / 11° | 83 | 8.4 | 9.7 | 4.4 |
| Feb | 14° / 11° | 61 | 6.9 | 10.6 | 4.5 |
| Mar | 15° / 12° | 52 | 6.7 | 11.7 | 5.2 |
| Apr | 17° / 14° | 33 | 6.1 | 12.9 | 6.3 |
| May | 20° / 17° | 16 | 3.4 | 14 | 7.8 |
| Jun | 24° / 21° | 12 | 1.9 | 14.5 | 8.9 |
| Jul | 27° / 24° | 4 | 1 | 14.3 | 8.8 |
| Aug | 28° / 25° | 8 | 1.4 | 13.4 | 8.3 |
| Sep | 25° / 22° | 50 | 5.5 | 12.3 | 8.0 |
| Oct | 22° / 19° | 77 | 8.2 | 11 | 7.3 |
| Nov | 19° / 16° | 83 | 8.4 | 10 | 6.4 |
| Dec | 16° / 12° | 77 | 8.8 | 9.5 | 5.1 |
Cloud cover in Fall
The sky is clear or mostly clear about 55% of the time across fall.
Chance of precipitation in Fall
Aci Castello gets around 210 mm of rain over 22 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 10 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 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 3.7 kWh/m².
Is fall a good time to visit Aci Castello?
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 one of the better times to visit Aci Castello for general sightseeing.
What to pack for Aci Castello in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Aci Castello sees daytime highs around 22°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 22 days see rain.
Sea temperature near Aci Castello 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 20 km away) is warmest in August at about 26°C and coldest in February near 15°C.
It's comfortable for a long swim from Jun 2 to Nov 11 — about 5.4 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 | 16 | 18 | 22 | 25 | 26 | 25 | 23 | 20 | 17 |
| Comfort | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Cool |
| Feb | 15 | Bracing |
| Mar | 15 | Bracing |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Cool |
| Dec | 17 | Cool |
UV index in Aci Castello 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 Aci Castello peaks around July 15 at about 10 (extreme) — 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 | 5 | 6 | 9 | 10 | 9 | 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 | 5 | Moderate |
| May | 6 | High |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Aci Castello 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 Aci Castello is worst in April — 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) | 12 | 15 | 16 | 17 | 17 | 16 | 14 | 15 | 14 | 13 | 12 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 15 | Moderate |
| Mar | 16 | Moderate |
| Apr | 17 | Moderate |
| May | 17 | Moderate |
| Jun | 16 | Moderate |
| Jul | 14 | Moderate |
| Aug | 15 | Moderate |
| Sep | 14 | Moderate |
| Oct | 13 | Moderate |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Aci Castello?
Aci Castello sits at 37.6°N, 15.1°E, 15 m above sea level, in Italy. The nearest listed city is San Giovanni la Punta, 5.0 km away.
Topography around Aci Castello
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Aci Castello.
Within 3 km, the terrain around Aci Castello has significant variations in elevation — a maximum elevation change of 376 m around an average of 90 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,348 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,306 m.
The land around Aci Castello is covered by water (42%) and trees (38%) within 3 km, water (51%) and trees (27%) within 16 km, and water (36%), trees (27%) and grassland (21%) 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 Aci Castello (37.5556°, 15.1454°, elevation 15 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.