Carbonia weather in September

In September, Carbonia sees average daytime highs of 28°C and overnight lows near 18°C, with 33 mm of rain across 5.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 26°C by the end. The sky is clear or mostly clear about 61% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Carbonia's 4th-clearest and 11th-windiest month. For the whole year in context, see Carbonia's year-round climate.

Daytime high
28°
4th warmest
Overnight low
18°
10th coldest
Rainfall
33 mm
5.3 wet days
Daylight
12 h 18 min
6:13 AM – 6:28 PM
Cloud cover
37%
4th clearest
Wind
11 km/h
11th windiest
Solar energy
5.13 kWh/m²
Travel score
6.9
out of 10
Air quality
Excellent
PM10 9.1 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 30°C in the first days to 26°C by the end.

A typical September day in Carbonia reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, September runs about 4°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
72919
82919
92919
102918
112918
122918
132818
142818
152818
162818
172818
182818
192818
202717
212717
222717
232717
242717
252717
262717
272617
282616
292616
302616

How September really feels in Carbonia

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Carbonia weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 427.79.64.5
Feb15° / 448.510.54.6
Mar17° / 488.211.75.9
Apr20° / 10°539136.6
May24° / 14°376.114.17.7
Jun29° / 18°132.914.77.1
Jul32° / 20°30.714.55.6
Aug32° / 20°101.813.55.2
Sep28° / 18°335.312.36.9
Oct24° / 15°467.1117.5
Nov19° / 11°6310.19.96.1
Dec16° / 579.69.34.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18614
28515
38317
48218
58218
68020
78020
87921
97822
107723
117723
127723
137525
147525
157525
167525
177426
187426
197426
207426
217327
227228
237228
247228
257228
267129
277129
287129
297129
307129

Chance of precipitation in September

Any precipitation

Carbonia gets around 33 mm of rain over 5.3 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 18% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
19
210
310
411
512
613
714
815
915
1016
1117
1217
1318
1418
1519
1619
1720
1820
1920
2020
2121
2221
2321
2421
2521
2622
2722
2822
2922
3022

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 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172741242
272741232
372741232
472740241
572840241
682840241
782839241
882839241
982838241
1092838240
11102837240
12102837240
13112836240
14112936240
15122935240
16132935230
17133034230
18143034220
19153034211
20153034201
21163134181
22163135171
23173235161
24173235151
25173335141
26183335131
27183435121
28193435111
29203534111
30203534101

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 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 78 minutes over September. Sunrise moves from 5:59 AM to 6:26 AM, and sunset from 6:53 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:596:53
212.96:006:51
312.86:016:49
412.86:016:48
512.76:026:46
612.76:036:44
712.66:046:43
812.66:056:41
912.66:066:40
1012.56:076:38
1112.56:086:36
1212.46:096:35
1312.46:106:33
1412.36:116:31
1512.36:126:29
1612.36:136:28
1712.26:146:26
1812.26:156:24
1912.16:166:23
2012.16:166:21
2112.06:176:19
2212.06:186:18
2311.96:196:16
2411.96:206:14
2511.96:216:13
2611.86:226:11
2711.86:236:09
2811.76:246:08
2911.76:256:06
3011.66:266:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.13 kWh/m².

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 7.54 kWh/m² in July across the year — September's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.7Bright
65.6Bright
75.6Bright
85.5Bright
95.5Bright
105.4Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.8Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Carbonia?

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

6.9
Sightseeing
4th-best month of the year
7.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Carbonia for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Carbonia in September

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

In September, Carbonia sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Carbonia in September

The nearest coast averages about 24°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 25°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 8 to Oct 31 — about 4.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep24Refreshing
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Carbonia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Carbonia peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 16UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar5High
Apr6High
May7High
Jun8Very high
Jul10Very high
Aug7High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Carbonia?

Carbonia sits at 39.2°N, 8.5°E, 111 m above sea level, in Italy. The nearest listed city is Iglesias, 16 km away.

Topography around Carbonia

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

Within 3 km, the terrain around Carbonia has significant variations in elevation — a maximum elevation change of 321 m around an average of 126 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 614 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,206 m.

The land around Carbonia is covered by trees (35%) and grassland (31%) within 3 km, trees (26%), grassland (26%) and water (21%) within 16 km, and water (55%) within 80 km.

3 km
321 m
16 km
614 m
80 km
1,206 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Iglesias 16 km · Assemini 43 km · Sestu 51 km · Cagliari 52 km · Monserrato 55 km · Selargius 56 km · Sinnai 61 km · Quartu Sant'Elena 63 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 Carbonia (39.1647°, 8.5213°, elevation 111 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).