Tulcea weather in September

In September, Tulcea sees average daytime highs of 23°C and overnight lows near 14°C, with 42 mm of rain across 5.9 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 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 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 Tulcea's 3rd-clearest and 8th-windiest month. For the whole year in context, see Tulcea's year-round climate.

Daytime high
23°
4th warmest
Overnight low
14°
9th coldest
Rainfall
42 mm
5.9 wet days
Daylight
12 h 18 min
5:50 AM – 6:08 PM
Cloud cover
46%
3rd clearest
Wind
11 km/h
8th windiest
Solar energy
4.07 kWh/m²
Travel score
7.6
out of 10

Tulcea is locality in Tulcea County, Romania.

Air quality
Good
PM10 28.4 µg/m³ · 2019
Founded
1506

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 Tulcea reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 28°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12616
22616
32516
42516
52515
62515
72515
82515
92415
102415
112414
122414
132414
142314
152314
162314
172314
182313
192313
202213
212213
222213
232213
242213
252113
262112
272112
282112
292112
302012

How September really feels in Tulcea

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.

Tulcea 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
Jan / -3°366.23.490.0
Feb / -2°285.72.710.10.2
Mar10° / 397.41.511.62.3
Apr16° / 438.50.213.25.1
May22° / 12°5410014.66.8
Jun26° / 17°599015.47.0
Jul28° / 19°417.1015.16.6
Aug28° / 18°365013.96.9
Sep23° / 14°425.9012.37.6
Oct17° / 405.4010.75.8
Nov10° / 365.51.19.32.4
Dec / -1°386.42.58.60.1

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 16% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27129
37129
47129
57030
67030
76931
86931
96931
106832
116832
126733
136733
146733
156634
166535
176436
186337
196238
206139
216040
225941
235842
245842
255743
265743
275644
285545
295545
305446

Chance of precipitation in September

Any precipitation

Tulcea gets around 42 mm of rain over 5.9 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 19% and peaks near 20% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
120
220
319
419
519
618
718
818
918
1018
1118
1218
1318
1418
1518
1618
1719
1819
1919
2020
2120
2220
2320
2420
2520
2620
2720
2820
2920
3020

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13832245
24132234
34331224
44530214
54730203
64930193
75129182
85229172
95329162
105429161
115529151
125629141
135728141
145828131
155828131
166027121
175927122
185927122
196026122
206026122
216125122
226224122
236323122
246422122
256621121
266720121
276819121
286819121
296918121
307017121

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 12 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
2912calm
3012calm

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 5:31 AM to 6:07 AM, and sunset from 6:38 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:316:38
213.15:326:36
313.05:346:34
413.05:356:32
512.95:366:30
612.85:376:28
712.85:396:26
812.75:406:24
912.75:416:22
1012.65:426:20
1112.65:446:18
1212.55:456:16
1312.55:466:14
1412.45:476:12
1512.45:496:10
1612.35:506:08
1712.35:516:06
1812.25:526:04
1912.15:546:02
2012.15:556:00
2112.05:565:58
2212.05:575:56
2311.95:595:54
2411.96:005:53
2511.86:015:51
2611.86:025:49
2711.76:045:47
2811.76:055:45
2911.66:065:43
3011.66:075:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.07 kWh/m².

For context, solar energy here swings from a low near 1.16 kWh/m² to a high of 6.35 kWh/m² in July across the year — September's 4.07 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.6Bright
64.6Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.6Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Is September a good time to visit Tulcea?

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

7.6
Sightseeing
1st-best month of the year
5.9
Beach & pool
4th-best month of the year

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

What to pack for Tulcea in September

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

In September, Tulcea sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes. About 6 days see rain.

light clothes

Sea temperature near Tulcea 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 at the nearest coast (about 67 km away) is warmest in August at about 25°C and coldest in February near 5°C.

It's comfortable for a long swim from Jun 11 to Sep 27 — about 3.6 months when the water holds above 20°C.

0°10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb5Bracing
Mar6Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep22Refreshing
Oct18Cool
Nov13Bracing
Dec9Bracing

UV index in Tulcea 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 Tulcea peaks around July 17 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 17UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr7High
May5High
Jun8Very high
Jul8Very high
Aug8Very high
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Tulcea 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 Tulcea is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1716 µg/m³Dec 137 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar17Moderate
Apr11Good
May10Good
Jun11Good
Jul11Good
Aug10Good
Sep9Good
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Tulcea?

Tulcea sits at 45.2°N, 28.8°E, 5 m above sea level, in Romania. The nearest listed city is Izmayil, 19 km away.

KiliyaReniBolhradGalaţiBrăilaCahulNăvodari

Topography around Tulcea

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

Within 3 km, the terrain around Tulcea has only modest variations in elevation — a maximum elevation change of 129 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 224 m; within 80 km, significant variations in elevation — a maximum elevation change of 463 m.

The land around Tulcea is covered by artificial surfaces (31%) within 3 km, cropland (45%) within 16 km, and cropland (47%) within 80 km.

3 km
129 m
16 km
224 m
80 km
463 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Izmayil 19 km · Kiliya 46 km · Reni 51 km · Bolhrad 57 km · Galaţi 66 km · Brăila 66 km · Cahul 94 km · Năvodari 97 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 Tulcea (45.1787°, 28.805°, 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).