Chioggia weather in September

In September, Chioggia sees average daytime highs of 23°C and overnight lows near 19°C, with 112 mm of rain across 9.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 21°C by the end. The sky is clear or mostly clear about 48% 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 Chioggia's 3rd-clearest and 6th-windiest month. For the whole year in context, see Chioggia's year-round climate.

Daytime high
23°
4th warmest
Overnight low
19°
9th coldest
Rainfall
112 mm
9.7 wet days
Daylight
12 h 18 min
5:56 AM – 6:15 PM
Cloud cover
45%
3rd clearest
Wind
12 km/h
6th windiest
Solar energy
4.15 kWh/m²
Travel score
7.0
out of 10

Chioggia is chief town of the homonym municipality.

Air quality
Good
PM10 29.4 µg/m³ · 2010

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 25°C in the first days to 21°C by the end.

A typical September day in Chioggia reaches about 23°C in the afternoon and slips back to 19°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12521
22521
32520
42520
52420
62420
72420
82420
92420
102419
112419
122319
132319
142319
152319
162319
172318
182218
192218
202218
212218
222218
232218
242218
252117
262117
272117
282117
292117
302117

Chioggia weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 567.80.291.3
Feb / 617.70.810.11.8
Mar12° / 657.90.311.63.3
Apr16° / 11°7510.1013.24.8
May20° / 16°8110.6014.66.4
Jun24° / 20°769.3015.47.2
Jul27° / 22°648.7015.17.1
Aug27° / 22°839.3013.97.0
Sep23° / 19°1129.7012.37.0
Oct18° / 14°11110.6010.75.8
Nov13° / 10°10811.309.33.5
Dec / 769.10.38.61.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57030
67030
77030
87030
97030
107030
116931
126931
136931
146733
156733
166634
176535
186436
196337
206337
216337
226139
236139
246139
256040
266040
276040
285842
295842
305743

Chance of precipitation in September

Any precipitation

Chioggia gets around 112 mm of rain over 9.7 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 34% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
334
434
534
633
733
833
933
1033
1133
1233
1333
1433
1533
1633
1734
1834
1934
2034
2134
2233
2333
2433
2534
2634
2734
2834
2935
3035

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11216293310
2131729329
3141830318
4141830307
5151931297
6152031286
7162031275
8162032275
9172032264
10182032264
11192033253
12192033253
13202033243
14212133232
15222132222
16232232212
17242332201
18242431191
19252531181
20262531171
21272631150
22282731140
23282831120
24292931110
25293031100
2629313190
2730313180
2830323170
2931333160
3031333150

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

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 5:37 AM to 6:14 AM, and sunset from 6:44 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:376:44
213.15:386:42
313.05:406:40
413.05:416:38
512.95:426:36
612.85:436:34
712.85:456:32
812.75:466:30
912.75:476:28
1012.65:486:26
1112.65:506:25
1212.55:516:23
1312.55:526:21
1412.45:536:19
1512.45:556:17
1612.35:566:15
1712.35:576:13
1812.25:586:11
1912.16:006:09
2012.16:016:07
2112.06:026:05
2212.06:036:03
2311.96:056:01
2411.96:065:59
2511.86:075:57
2611.86:085:55
2711.76:105:53
2811.76:115:51
2911.66:125:49
3011.66:145:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.15 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 6.51 kWh/m² in June across the year — September's 4.15 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.5Moderate
283.5Moderate
293.4Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Chioggia?

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

7.0
Sightseeing
3rd-best month of the year
5.2
Beach & pool
4th-best month of the year

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

What to pack for Chioggia in September

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

In September, Chioggia sees daytime highs around 23°C and nights near 19°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near Chioggia 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 13 km away) is warmest in August at about 26°C and coldest in February near 9°C.

It's comfortable for a long swim from May 28 to Oct 7 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar10Bracing
Apr14Bracing
May18Cool
Jun23Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Chioggia 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 Chioggia peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Chioggia in September

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Chioggia is worst in March — around 21 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1521 µg/m³Sep 1413 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb20Moderate
Mar21Moderate
Apr19Moderate
May17Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct16Moderate
Nov15Moderate
Dec18Moderate
Location & terrain

Where is Chioggia?

Chioggia sits at 45.2°N, 12.3°E, 2 m above sea level, in Italy. The nearest listed city is Lido, 22 km away.

Topography around Chioggia

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

Within 3 km, the terrain around Chioggia has only modest variations in elevation — a maximum elevation change of 21 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 27 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,603 m.

The land around Chioggia is covered by water (71%) within 3 km, water (62%) and cropland (26%) within 16 km, and cropland (42%) and water (32%) within 80 km.

3 km
21 m
16 km
27 m
80 km
1,603 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Lido 22 km · Venice 25 km · Marghera 26 km · Mira Taglio 27 km · Mestre 30 km · Spinea-Orgnano 32 km · Mirano 33 km · Albignasego 35 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 Chioggia (45.2186°, 12.2777°, elevation 2 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).