Roseto degli Abruzzi weather in September

In September, Roseto degli Abruzzi sees average daytime highs of 24°C and overnight lows near 19°C, with 64 mm of rain across 8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 22°C by the end. The sky is clear or mostly clear about 52% of the time in September, and the air most often feels muggy.

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

Daytime high
24°
4th warmest
Overnight low
19°
9th coldest
Rainfall
64 mm
8 wet days
Daylight
12 h 18 min
5:50 AM – 6:07 PM
Cloud cover
42%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
4.45 kWh/m²
Travel score
7.5
out of 10

Roseto degli Abruzzi is chief town of the homonym municipality.

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 26°C in the first days to 22°C by the end.

A typical September day in Roseto degli Abruzzi reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 27°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°151015202530
Avg high (°C)Avg low (°C)
12621
22621
32621
42621
52620
62520
72520
82520
92520
102520
112520
122519
132419
142419
152419
162419
172419
182419
192419
202318
212318
222318
232318
242318
252318
262318
272218
282217
292217
302217

Roseto degli Abruzzi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 628.90.79.22.6
Feb11° / 518.70.710.32.7
Mar13° / 5890.211.63.9
Apr17° / 12°629.4013.15.5
May21° / 17°568.3014.47.0
Jun25° / 21°426.4015.17.7
Jul28° / 23°324.3014.87.6
Aug28° / 23°364.6013.77.4
Sep24° / 19°648012.37.5
Oct20° / 15°597.8010.86.7
Nov15° / 11°749.609.64.8
Dec12° / 7210.40.38.93.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% 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 31%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27723
37723
47624
57525
67525
77327
87327
97327
107228
117129
127129
137030
147030
156931
166832
176832
186733
196733
206634
216634
226634
236634
246535
256535
266436
276337
286337
296337
306238

Chance of precipitation in September

Any precipitation

Roseto degli Abruzzi gets around 64 mm of rain over 8 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 26% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
123
223
324
424
524
625
725
825
925
1025
1125
1226
1326
1426
1527
1627
1728
1828
1928
2028
2128
2228
2328
2428
2528
2627
2727
2827
2927
3027

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 39% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
14102536241
25112636220
35122736200
45122836180
56132936160
66143036140
76143136120
86153136110
97153137100
10716313790
11716313780
12817313770
13817313770
14818313660
15919313660
16920313550
171020313450
181121313340
191222313240
201223313140
211324312930
221424312830
231525322620
241526332520
251526332320
261627342210
271628352010
281728351910
291729351810
301730361710

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 5:33 AM to 6:06 AM, and sunset from 6:34 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:336:34
213.05:346:32
312.95:356:31
412.95:366:29
512.85:386:27
612.85:396:25
712.75:406:23
812.75:416:22
912.65:426:20
1012.65:436:18
1112.55:446:16
1212.55:456:14
1312.45:466:12
1412.45:476:11
1512.35:496:09
1612.35:506:07
1712.25:516:05
1812.25:526:03
1912.15:536:01
2012.15:545:59
2112.05:555:58
2212.05:565:56
2311.95:585:54
2411.95:595:52
2511.86:005:50
2611.86:015:48
2711.76:025:46
2811.76:035:45
2911.66:045:43
3011.66:065:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.45 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.81 kWh/m² in July across the year — September's 4.45 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.0Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Roseto degli Abruzzi?

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

7.5
Sightseeing
3rd-best month of the year
6.3
Beach & pool
4th-best month of the year

September is one of the better times to visit Roseto degli Abruzzi for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Roseto degli Abruzzi in September

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

In September, Roseto degli Abruzzi sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes and rain gear. About 8 days see rain.

light clothesrain gear

Sea temperature near Roseto degli Abruzzi 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 offshore is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Oct 15 — about 4.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep23Refreshing
Oct20Cool
Nov17Cool
Dec15Cool

UV index in Roseto degli Abruzzi 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 Roseto degli Abruzzi peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 16UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr6High
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep5High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Roseto degli Abruzzi 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 Roseto degli Abruzzi is worst in April — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1017 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar17Moderate
Apr17Moderate
May14Moderate
Jun14Moderate
Jul12Moderate
Aug12Moderate
Sep10Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Roseto degli Abruzzi?

Roseto degli Abruzzi sits at 42.7°N, 14.0°E, 5 m above sea level, in Italy. The nearest listed city is Giulianova, 10 km away.

Topography around Roseto degli Abruzzi

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

Within 3 km, the terrain around Roseto degli Abruzzi has significant variations in elevation — a maximum elevation change of 298 m around an average of 43 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 482 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,846 m.

The land around Roseto degli Abruzzi is covered by water (38%) within 3 km, water (46%) and cropland (21%) within 16 km, and trees (35%), water (27%) and grassland (21%) within 80 km.

3 km
298 m
16 km
482 m
80 km
2,846 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Giulianova 10 km · Montesilvano 21 km · Teramo 26 km · Pescara 28 km · San Benedetto del Tronto 34 km · Francavilla al Mare 35 km · Chieti 38 km · Ascoli Piceno 41 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 Roseto degli Abruzzi (42.6716°, 14.0148°, elevation 5 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).