La Spezia weather in September

In September, La Spezia sees average daytime highs of 22°C and overnight lows near 20°C, with 136 mm of rain across 9.3 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels humid.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is La Spezia's 4th-clearest and 8th-windiest month. For the whole year in context, see La Spezia's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
136 mm
9.3 wet days
Daylight
12 h 18 min
6:06 AM – 6:24 PM
Cloud cover
40%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
4.48 kWh/m²
Travel score
7.1
out of 10
Air quality
Moderate
PM2.5 10.9 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical September day in La Spezia reaches about 22°C in the afternoon and slips back to 20°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°C. Set against its neighbours, September runs about 3°C cooler than August and about 3°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12422
22422
32422
42422
52421
62421
72321
82321
92321
102321
112321
122321
132320
142320
152220
162220
172220
182220
192220
202220
212220
222219
232219
242119
252119
262119
272119
282119
292119
302119

La Spezia weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 11311.79.12.8
Feb11° / 1039.810.22.8
Mar13° / 11°959.711.63.7
Apr15° / 13°9710.113.24.6
May19° / 16°718.614.56.3
Jun22° / 20°616.715.27.6
Jul25° / 22°334158.5
Aug25° / 23°536.213.88.0
Sep22° / 20°1369.312.37.1
Oct19° / 17°20713.210.85.8
Nov15° / 13°20414.19.44.2
Dec13° / 11°145138.83.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18020
28020
37921
47921
57921
67822
77822
87723
97624
107525
117426
127327
137228
147129
157129
167030
176832
186832
196733
206733
216634
226535
236535
246436
256436
266337
276238
286139
296139
306040

Chance of precipitation in September

Any precipitation

La Spezia gets around 136 mm of rain over 9.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
225
325
425
526
626
727
827
928
1029
1130
1231
1331
1432
1533
1633
1734
1834
1935
2035
2136
2236
2337
2437
2538
2639
2739
2840
2941
3041

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1713303613
2814313512
3915323410
491533349
5101634337
6101735326
7111736325
8111836314
9111837313
10121837303
11121837302
12131938292
13131938291
14142038281
15142038271
16142138261
17152238251
18162338230
19162438220
20172438200
21182538190
22182638170
23192738160
24192838140
25192939130
26193038120
27203138110
2820323890
2921333880
3022343770

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over September. Sunrise moves from 5:48 AM to 6:23 AM, and sunset from 6:53 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:486:53
213.05:496:51
313.05:516:49
412.95:526:47
512.95:536:45
612.85:546:43
712.85:556:41
812.75:576:39
912.75:586:37
1012.65:596:36
1112.66:006:34
1212.56:016:32
1312.56:026:30
1412.46:046:28
1512.46:056:26
1612.36:066:24
1712.26:076:22
1812.26:086:20
1912.16:106:18
2012.16:116:16
2112.06:126:14
2212.06:136:12
2311.96:146:10
2411.96:166:09
2511.86:176:07
2611.86:186:05
2711.76:196:03
2811.76:206:01
2911.66:225:59
3011.66:235:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.48 kWh/m².

For context, solar energy here swings from a low near 1.4 kWh/m² to a high of 6.93 kWh/m² in July across the year — September's 4.48 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.0Bright
244.0Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.7Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for La Spezia

In seasonPeak

In September, La Spezia sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

La Spezia's rainy season runs September–April, when most of the year's rain falls.

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

Is September a good time to visit La Spezia?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.1
Sightseeing
4th-best month of the year
5.1
Beach & pool
4th-best month of the year

September is one of the better times to visit La Spezia for general sightseeing.

What to pack for La Spezia in September

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

In September, La Spezia sees daytime highs around 22°C and nights near 20°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near La Spezia in September

The nearest coast averages about 23°C in September — 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 2 to Oct 20 — about 4.6 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in La Spezia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks 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 La Spezia peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr7High
May6High
Jun8Very high
Jul9Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is La Spezia?

La Spezia sits at 44.1°N, 9.8°E, 3 m above sea level, in Italy. The nearest listed city is Cinque Terre, 8.0 km away.

Topography around La Spezia

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

Within 3 km, the terrain around La Spezia has significant variations in elevation — a maximum elevation change of 543 m around an average of 80 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 822 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,129 m.

The land around La Spezia is covered by trees (44%), artificial surfaces (28%) and water (27%) within 3 km, trees (48%) and water (43%) within 16 km, and trees (53%) and water (34%) within 80 km.

3 km
543 m
16 km
822 m
80 km
2,129 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Cinque Terre 8.0 km · Sarzana 11 km · Marina di Carrara 19 km · Carrara 22 km · Marina di Massa 25 km · Massa 26 km · Pietrasanta 36 km · Sestri Levante 39 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 La Spezia (44.103°, 9.8238°, elevation 3 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).