San Lazzaro in Fall
In fall (September, October and November), San Lazzaro sees average daytime highs around 20°C and overnight lows near 11°C, with 221 mm of precipitation 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 28°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 San Lazzaro's 2nd-best season to visit on our travel score. For the whole year in context, see San Lazzaro's year-round climate.
- Avg daytime high
- 20°C
- 2nd-warmest season
- Avg overnight low
- 11°C
- Precipitation
- 221 mm
- 27 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in San Lazzaro in Fall
Over the season highs ease from about 28°C in early September to 11°C by late November.
A typical fall day in San Lazzaro reaches about 20°C and drops to 11°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in San Lazzaro
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.
San Lazzaro 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 | 8° / 1° | 42 | 7.2 | 1.6 | 9 | 1.6 |
| Feb | 10° / 2° | 61 | 7.7 | 1.7 | 10.1 | 2.6 |
| Mar | 15° / 5° | 59 | 8.1 | 0.6 | 11.6 | 4.8 |
| Apr | 19° / 9° | 72 | 10.1 | 0.1 | 13.2 | 6.1 |
| May | 24° / 14° | 70 | 9.4 | 0 | 14.6 | 7.0 |
| Jun | 29° / 18° | 58 | 8 | 0 | 15.3 | 6.1 |
| Jul | 31° / 20° | 49 | 7.1 | 0 | 15 | 4.8 |
| Aug | 31° / 20° | 55 | 7.9 | 0 | 13.9 | 5.1 |
| Sep | 26° / 16° | 66 | 8.1 | 0 | 12.3 | 7.1 |
| Oct | 20° / 12° | 72 | 8.9 | 0 | 10.7 | 6.4 |
| Nov | 14° / 7° | 83 | 10 | 0.4 | 9.4 | 3.9 |
| Dec | 9° / 2° | 63 | 8.5 | 1.2 | 8.7 | 1.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 37% of the time across fall.
Chance of precipitation in Fall
San Lazzaro gets around 221 mm of rain and snow over 27 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 h 06 min in early September to 8 h 54 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 2.8 kWh/m².
Is fall a good time to visit San Lazzaro?
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 San Lazzaro for sightseeing.
What to pack for San Lazzaro in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, San Lazzaro sees daytime highs around 20°C and nights near 11°C. Worth packing: light clothes, a warm layer and rain gear. About 27 days see rain.
UV index in San Lazzaro 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 San Lazzaro peaks around July 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 2 | 5 | 7 | 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 | 2 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | 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 San Lazzaro 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 San Lazzaro is worst in March — around 19 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) | 18 | 17 | 19 | 18 | 16 | 16 | 14 | 14 | 13 | 15 | 14 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 17 | Moderate |
| Mar | 19 | Moderate |
| Apr | 18 | Moderate |
| May | 16 | Moderate |
| Jun | 16 | Moderate |
| Jul | 14 | Moderate |
| Aug | 14 | Moderate |
| Sep | 13 | Moderate |
| Oct | 15 | Moderate |
| Nov | 14 | Moderate |
| Dec | 16 | Moderate |
Where is San Lazzaro?
San Lazzaro sits at 44.5°N, 11.4°E, 66 m above sea level, in Italy. The nearest listed city is Bologna, 6.0 km away.
Topography around San Lazzaro
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Lazzaro.
Within 3 km, the terrain around San Lazzaro has only modest variations in elevation — a maximum elevation change of 170 m around an average of 72 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,113 m.
The land around San Lazzaro is covered by trees (33%), artificial surfaces (30%) and cropland (25%) within 3 km, cropland (39%) and trees (31%) within 16 km, and cropland (38%) and trees (36%) 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 San Lazzaro (44.4705°, 11.4085°, elevation 66 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.