Ulcinj weather in September

In September, Ulcinj sees average daytime highs of 24°C and overnight lows near 19°C, with 216 mm of rain across 9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 57% of the time in September, and the air most often feels humid.

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 Ulcinj's 4th-clearest and 8th-windiest month. For the whole year in context, see Ulcinj's year-round climate.

Daytime high
24°
4th warmest
Overnight low
19°
9th coldest
Rainfall
216 mm
9 wet days
Daylight
12 h 18 min
5:29 AM – 5:46 PM
Cloud cover
39%
4th clearest
Wind
9 km/h
8th windiest
Solar energy
4.6 kWh/m²
Travel score
7.3
out of 10

Ulcinj is coastal town in Montenegro.

Density
42/km²
people per km²
Founded
~450 BCE

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 23°C by the end.

A typical September day in Ulcinj 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 28°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)
12722
22621
32621
42621
52621
62621
72621
82520
92520
102520
112520
122520
132520
142520
152419
162419
172419
182419
192419
202419
212419
222319
232318
242318
252318
262318
272318
282318
292218
302217

Ulcinj weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 203130.59.32.4
Feb11° / 19912.50.610.32.8
Mar14° / 17811.90.111.74.0
Apr17° / 12°14611.6013.15.4
May21° / 17°1108.7014.36.9
Jun25° / 21°695.20158.0
Jul28° / 23°443.7014.77.8
Aug28° / 23°653.9013.77.4
Sep24° / 19°2169012.37.3
Oct20° / 15°22410.4010.96.5
Nov16° / 11°29613.409.64.7
Dec12° / 26014.10.492.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% 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 (%)
18218
28020
37921
47723
57723
67624
77525
87426
97327
107327
117129
127129
137030
146931
156931
166832
176832
186832
196733
206733
216634
226634
236634
246535
256535
266535
276535
286535
296436
306337

Chance of precipitation in September

Any precipitation

Ulcinj gets around 216 mm of rain over 9 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 30% and peaks near 32% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
125
225
326
427
527
627
728
828
929
1029
1130
1230
1331
1431
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2732
2832
2932
3032

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 33% 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 (%)
1712313812
2812313711
391332379
4101333368
5111433357
6121534346
7121534345
8131635334
9141636313
10141736303
11151737292
12151837282
13161837262
14171938252
15181937242
16192037231
17202136211
18212236201
19222335191
20232434171
21242533161
22252632151
23262732141
24272831131
25282930121
26293029110
27303129100
2830322890
2931322890
3031332880

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:13 AM to 5:44 AM, and sunset from 6:13 PM to 5:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:136:13
212.95:146:11
312.95:156:09
412.95:166:07
512.85:176:06
612.85:186:04
712.75:196:02
812.75:216:00
912.65:225:58
1012.65:235:57
1112.55:245:55
1212.55:255:53
1312.45:265:51
1412.45:275:49
1512.35:285:48
1612.35:295:46
1712.25:305:44
1812.25:315:42
1912.15:325:40
2012.15:335:38
2112.05:345:37
2212.05:365:35
2311.95:375:33
2411.95:385:31
2511.85:395:29
2611.85:405:28
2711.75:415:26
2811.75:425:24
2911.75:435:22
3011.65:445:20

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.6 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 7.02 kWh/m² in July across the year — September's 4.6 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.1Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.1Bright
264.1Bright
274.0Bright
284.0Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Ulcinj?

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

7.3
Sightseeing
4th-best month of the year
6.3
Beach & pool
4th-best month of the year

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

What to pack for Ulcinj in September

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

In September, Ulcinj sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Ulcinj 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 25°C and coldest in February near 14°C.

It's comfortable for a long swim from May 25 to Oct 31 — about 5.3 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun23Refreshing
Jul25Warm
Aug25Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Ulcinj 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 Ulcinj peaks around July 15 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 15UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar5Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Ulcinj?

Ulcinj sits at 41.9°N, 19.2°E, 0 m above sea level, in Montenegro. The nearest listed city is Bar, 21 km away.

BarShkodërLezhëBečićiBudvaPodgoricaCetinje

Topography around Ulcinj

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

Within 3 km, the terrain around Ulcinj has significant variations in elevation — a maximum elevation change of 313 m around an average of 45 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,345 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,622 m.

The land around Ulcinj is covered by trees (37%) and water (23%) within 3 km, water (54%) and trees (23%) within 16 km, and trees (39%) and water (36%) within 80 km.

3 km
313 m
16 km
1,345 m
80 km
2,622 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Bar 21 km · Shkodër 28 km · Lezhë 38 km · Bečići 49 km · Budva 51 km · Podgorica 57 km · Cetinje 57 km · Fushë-Krujë 65 km

Montenegro travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$14,817
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
86%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
7.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Orthodox 72%Muslim 19%Catholic 3%other 2%

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 Ulcinj (41.9294°, 19.2244°, elevation 0 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).