Grosseto in Fall
In fall (September, October and November), Grosseto sees average daytime highs around 20°C and overnight lows near 15°C, with 302 mm of rain over about 30 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 14°C by late November. The sky is clear or mostly clear about 46% of the time across fall, and the air most often feels dry.
Fall is Grosseto's 2nd-best season to visit on our travel score. For the whole year in context, see Grosseto's year-round climate.
- Avg daytime high
- 20°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 302 mm
- 30 wet days
- Avg wind
- 13 km/h
- Travel score
- 6.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Grosseto in Fall
Over the season highs ease from about 26°C in early September to 14°C by late November.
A typical fall day in Grosseto reaches about 20°C and drops to 15°C overnight. The warmest of the three months is September, the coolest November.
Grosseto 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 | 12° / 7° | 59 | 8.3 | 9.2 | 3.2 |
| Feb | 12° / 7° | 58 | 7.9 | 10.3 | 3.5 |
| Mar | 14° / 9° | 53 | 7.6 | 11.6 | 4.7 |
| Apr | 17° / 11° | 53 | 8.5 | 13.1 | 5.8 |
| May | 21° / 15° | 42 | 7 | 14.4 | 7.2 |
| Jun | 25° / 18° | 26 | 4.5 | 15.1 | 8.2 |
| Jul | 28° / 21° | 15 | 2.4 | 14.8 | 8.0 |
| Aug | 28° / 21° | 21 | 3.2 | 13.7 | 7.5 |
| Sep | 25° / 19° | 76 | 7.6 | 12.3 | 7.5 |
| Oct | 20° / 15° | 104 | 9.9 | 10.8 | 6.6 |
| Nov | 16° / 11° | 122 | 12.2 | 9.6 | 4.8 |
| Dec | 13° / 8° | 82 | 10 | 8.9 | 3.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 46% of the time across fall.
Chance of precipitation in Fall
Grosseto gets around 302 mm of rain over 30 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 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 h 06 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 3.2 kWh/m².
Hazard calendar for Grosseto
In fall, Grosseto overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Grosseto's rainy season runs September–February, when most of the year's rain falls.
Is fall a good time to visit Grosseto?
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 Grosseto for sightseeing.
What to pack for Grosseto in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Grosseto sees daytime highs around 20°C and nights near 15°C. Worth packing: light clothes, a warm layer, rain gear and sun protection. About 30 days see rain.
Sea temperature near Grosseto 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 15 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 28 — 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 | 14 | 14 | 15 | 18 | 22 | 24 | 25 | 23 | 21 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | 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 | 19 | Cool |
| Dec | 16 | Cool |
UV index in Grosseto in Fall
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 Grosseto peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 | 5 | 6 | 8 | 9 | 7 | 5 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 5 | High |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 7 | Very high |
| Sep | 5 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Where is Grosseto?
Grosseto sits at 42.8°N, 11.1°E, 10 m above sea level, in Italy. The nearest listed city is Follonica, 34 km away.
Topography around Grosseto
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Grosseto.
Within 3 km, the terrain around Grosseto has only modest variations in elevation — a maximum elevation change of 21 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 562 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,724 m.
The land around Grosseto is covered by cropland (38%) and artificial surfaces (31%) within 3 km, cropland (36%), trees (28%) and grassland (23%) within 16 km, and water (40%) and trees (33%) 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 Grosseto (42.763°, 11.1094°, elevation 10 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.