Monte Rosello in Fall

In fall (September, October and November), Monte Rosello sees average daytime highs around 21°C and overnight lows near 15°C, with 210 mm of rain over about 27 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 26°C in early September to 15°C by late November. The sky is clear or mostly clear about 44% of the time across fall, and the air most often feels dry.

Fall is Monte Rosello's 2nd-best season to visit on our travel score. For the whole year in context, see Monte Rosello's year-round climate.

Avg daytime high
21°C
2nd-warmest season
Avg overnight low
15°C
Rainfall
210 mm
27 wet days
Avg wind
15 km/h
Travel score
6.6
2nd-best season
Months
Sep · Oct · Nov

Temperature in Monte Rosello in Fall

Average highAverage lowShaded bands: 10–90% of days

Over the season highs ease from about 26°C in early September to 15°C by late November.

A typical fall day in Monte Rosello reaches about 21°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.

10°15°20°25°30°SepOctNov

Monte Rosello 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 5699.43.5
Feb12° / 538.710.43.4
Mar14° / 548.411.74.5
Apr16° / 11°60913.15.5
May20° / 14°466.414.27.1
Jun24° / 18°223.514.98.6
Jul27° / 21°71.314.68.8
Aug27° / 21°102.113.68.5
Sep24° / 19°436.112.37.9
Oct21° / 16°718.810.96.9
Nov17° / 12°9611.89.75.1
Dec14° / 7610.79.13.9

Cloud cover in Fall

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time across fall.

0%25%50%75%100%SepOctNov

Chance of precipitation in Fall

Any precipitation

Monte Rosello gets around 210 mm of rain over 27 wet days across fall. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%SepOctNov

Humidity in Fall

DryComfortableHumidMuggyOppressiveMiserable

Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%SepOctNov

Wind in Fall

Winds average 15 km/h across fall.

05101520SepOctNov

Sunrise & sunset in Fall

DaylightNight

Daylight runs from about 13 hours in early September to 9 h 18 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Fall

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across fall, about 3.6 kWh/m².

0246SepOctNov
Planning a trip in fall

Hazard calendar for Monte Rosello

In seasonPeak

In fall, Monte Rosello overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Monte Rosello's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is fall a good time to visit Monte Rosello?

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.

6.6
Sightseeing
2nd-best month of the year
4.0
Beach & pool
2nd-best month of the year

fall is a reasonable time to visit Monte Rosello for sightseeing.

What to pack for Monte Rosello in Fall

From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In fall, Monte Rosello sees daytime highs around 21°C and nights near 15°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 27 days see rain.

light clothesa warm layerrain gearsun protection

Sea temperature near Monte Rosello 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 16 km away) is warmest in August at about 25°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 9 to Oct 24 — about 4.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov18Cool
Dec15Cool

UV index in Monte Rosello in Fall

LowModerateHighVery highExtreme

Clear-sky midday UV across fall averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Monte Rosello peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 14UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May7High
Jun8Very high
Jul9Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Monte Rosello in Fall

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.

Air quality in Monte Rosello is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1615 µg/m³Dec 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar13Moderate
Apr13Moderate
May13Moderate
Jun11Good
Jul15Moderate
Aug10Good
Sep10Good
Oct9Good
Nov8Good
Dec7Good
Location & terrain

Where is Monte Rosello?

Monte Rosello sits at 40.7°N, 8.6°E, 233 m above sea level, in Italy. The nearest listed city is Sassari, 1.0 km away.

NuoroOlbiaOristanoAjaccioIglesias

Topography around Monte Rosello

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Monte Rosello.

Within 3 km, the terrain around Monte Rosello has significant variations in elevation — a maximum elevation change of 283 m around an average of 229 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 754 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,336 m.

The land around Monte Rosello is covered by trees (52%) and artificial surfaces (35%) within 3 km, grassland (38%) and trees (33%) within 16 km, and water (46%) and trees (25%) within 80 km.

3 km
283 m
16 km
754 m
80 km
1,336 m
treesshrubsgrasslandcroplandartificial surfaceswater
Fall weather nearby: Sassari 1.0 km · Porto Torres 18 km · Alghero 29 km · Nuoro 79 km · Olbia 81 km · Oristano 93 km · Ajaccio 132 km · Iglesias 159 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
Christian 81%unaffiliated 13%Muslim 5%other 1%

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 Monte Rosello (40.7354°, 8.5677°, elevation 233 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.