Mangalia weather in September

In September, Mangalia sees average daytime highs of 23°C and overnight lows near 16°C, with 50 mm of rain across 6 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 25°C in the first days to 21°C by the end. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels dry.

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

Daytime high
23°
4th warmest
Overnight low
16°
9th coldest
Rainfall
50 mm
6 wet days
Daylight
12 h 18 min
5:51 AM – 6:09 PM
Cloud cover
44%
4th clearest
Wind
14 km/h
8th windiest
Solar energy
4.27 kWh/m²
Travel score
7.7
out of 10

Mangalia is locality in Constanța County, Romania.

Air quality
Good
PM10 19.9 µg/m³ · 2018
Founded
~600 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 25°C in the first days to 21°C by the end.

A typical September day in Mangalia reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12618
22618
32517
42517
52517
62517
72517
82517
92417
102416
112416
122416
132416
142416
152316
162316
172316
182316
192315
202315
212215
222215
232215
242215
252215
262115
272114
282114
292114
302114

How September really feels in Mangalia

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.

Mangalia 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
Jan / 447.439.10.1
Feb / 356.22.510.20.7
Mar10° / 448.11.211.62.3
Apr15° / 367.60.113.24.6
May20° / 13°438.2014.56.8
Jun25° / 18°508.3015.27.3
Jul28° / 20°386.4014.97.2
Aug28° / 20°315.2013.87.3
Sep23° / 16°506012.37.7
Oct18° / 11°526.6010.86.0
Nov12° / 406.50.69.53.3
Dec / 437.82.38.80.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% 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 (%)
17723
27723
37723
47624
57624
67624
77525
87525
97525
107426
117426
127426
137426
147327
157228
167228
177030
186931
196931
206832
216634
226535
236436
246337
256238
266040
276040
285941
295842
305743

Chance of precipitation in September

Any precipitation

Mangalia gets around 50 mm of rain over 6 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 19% and peaks near 23% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
119
219
319
419
519
618
718
818
917
1017
1117
1217
1317
1417
1517
1618
1718
1818
1919
2020
2120
2221
2321
2422
2522
2623
2723
2823
2923
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1162732232
2182832212
3192831192
4212931182
5223030161
6233130151
7243230141
8253230131
9253329121
10263329111
11273329100
12283428100
13293328100
1430332890
1531332890
1632322790
1733312780
1835302780
1936292780
2037292680
2138282680
2240272580
2341272570
2442262470
2544262470
2645252370
2746252360
2846252260
2947252260
3048252150

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 5:34 AM to 6:08 AM, and sunset from 6:37 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:346:37
213.05:356:35
313.05:366:34
412.95:376:32
512.95:386:30
612.85:396:28
712.85:416:26
812.75:426:24
912.75:436:22
1012.65:446:20
1112.65:456:18
1212.55:466:17
1312.55:486:15
1412.45:496:13
1512.35:506:11
1612.35:516:09
1712.25:526:07
1812.25:536:05
1912.15:556:03
2012.15:566:01
2112.05:575:59
2212.05:585:57
2311.95:595:55
2411.96:015:54
2511.86:025:52
2611.86:035:50
2711.76:045:48
2811.76:055:46
2911.66:075:44
3011.66:085:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.27 kWh/m².

For context, solar energy here swings from a low near 1.27 kWh/m² to a high of 6.72 kWh/m² in July across the year — September's 4.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.4Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.1Bright
204.0Bright
214.0Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Mangalia?

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

7.7
Sightseeing
1st-best month of the year
6.0
Beach & pool
4th-best month of the year

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

What to pack for Mangalia in September

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

In September, Mangalia sees daytime highs around 23°C and nights near 16°C. Worth packing: light clothes. About 6 days see rain.

light clothes

Sea temperature near Mangalia in September

The nearest coast averages about 22°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 6°C.

It's comfortable for a long swim from Jun 12 to Oct 1 — about 3.7 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb6Bracing
Mar7Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep22Refreshing
Oct18Cool
Nov14Bracing
Dec10Bracing

UV index in Mangalia 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 Mangalia peaks around July 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 18UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mangalia?

Mangalia sits at 43.8°N, 28.6°E, 1 m above sea level, in Romania. The nearest listed city is Constanța, 41 km away.

MedgidiaNăvodariDobrichCernavodăFeteşti

Topography around Mangalia

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

Within 3 km, the terrain around Mangalia has only modest variations in elevation — a maximum elevation change of 54 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 107 m; within 80 km, significant variations in elevation — a maximum elevation change of 362 m.

The land around Mangalia is covered by water (41%), cropland (22%) and artificial surfaces (20%) within 3 km, cropland (45%) and water (45%) within 16 km, and cropland (49%) and water (36%) within 80 km.

3 km
54 m
16 km
107 m
80 km
362 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Constanța 41 km · Medgidia 54 km · Năvodari 56 km · Dobrich 66 km · Cernavodă 73 km · Varna 85 km · Feteşti 87 km · Asparuhovo 90 km

Romania travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 44% of US
price level, 2025
GDP per capita
$22,538
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
10.3
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 605
Religion
Romanian Orthodox 85%other 5%Roman Catholic 5%Reformed 3%

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 Mangalia (43.8162°, 28.5766°, elevation 1 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).