Burgas weather in September

In September, Burgas 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 7th-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 54% 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 Burgas's 4th-clearest and 7th-windiest month. For the whole year in context, see Burgas'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
5:56 AM – 6:13 PM
Cloud cover
42%
4th clearest
Wind
12 km/h
7th windiest
Solar energy
4.38 kWh/m²
Travel score
7.8
out of 10

Burgas is city in Burgas municipality, Burgas oblast, Bulgaria.

Air quality
Good
PM10 26.2 µg/m³ · 2019
Density
830/km²
people per km²

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 Burgas 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 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12618
22518
32518
42518
52518
62518
72518
82517
92417
102417
112417
122417
132417
142417
152416
162316
172316
182316
192316
202316
212316
222216
232215
242215
252215
262215
272215
282115
292115
302114

How September really feels in Burgas

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.

Burgas weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 537.739.20.6
Feb / 477.42.810.31.2
Mar11° / 559.21.511.62.6
Apr15° / 458.30.113.14.7
May20° / 13°479.1014.46.6
Jun25° / 18°508.6015.17.4
Jul27° / 20°436.4014.87.6
Aug27° / 20°294.8013.77.8
Sep23° / 16°506012.37.8
Oct18° / 12°617.30.110.86.2
Nov13° / 517.20.69.63.7
Dec / 588.62.48.91.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28317
38119
48119
58020
68020
77921
87921
97822
107822
117723
127723
137624
147624
157525
167426
177327
187228
197030
207030
216832
226832
236634
246535
256436
266337
276337
286139
296040
305941

Chance of precipitation in September

Any precipitation

Burgas 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 24% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
118
218
318
418
518
618
717
817
916
1016
1116
1216
1316
1416
1516
1617
1717
1818
1919
2020
2121
2221
2322
2423
2523
2623
2724
2824
2924
3024

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1142635241
2162735221
3172834201
4182934181
5193034161
6203135141
7203235131
8213235120
9213235110
10223335100
1122333590
1223333590
1323333590
1424333480
1525333380
1626333380
1728333280
1829333170
1930323170
2032313070
2133312970
2235302870
2337302760
2438292660
2540292660
2641292550
2742292450
2844292340
2945292240
3046292240

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

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 5:39 AM to 6:12 AM, and sunset from 6:40 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:396:40
213.05:416:38
312.95:426:37
412.95:436:35
512.85:446:33
612.85:456:31
712.75:466:29
812.75:476:28
912.65:486:26
1012.65:496:24
1112.55:506:22
1212.55:526:20
1312.45:536:18
1412.45:546:17
1512.35:556:15
1612.35:566:13
1712.25:576:11
1812.25:586:09
1912.15:596:07
2012.16:006:06
2112.06:016:04
2212.06:036:02
2311.96:046:00
2411.96:055:58
2511.86:065:56
2611.86:075:55
2711.76:085:53
2811.76:095:51
2911.66:105:49
3011.66:125:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.38 kWh/m².

For context, solar energy here swings from a low near 1.4 kWh/m² to a high of 6.74 kWh/m² in June across the year — September's 4.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.6Bright
134.6Bright
144.5Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.9Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Is September a good time to visit Burgas?

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

7.8
Sightseeing
1st-best month of the year
6.2
Beach & pool
4th-best month of the year

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

What to pack for Burgas in September

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

In September, Burgas 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 Burgas 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 at the nearest coast (about 36 km away) is warmest in August at about 25°C and coldest in February near 7°C.

It's comfortable for a long swim from Jun 10 to Oct 5 — about 3.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar7Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov14Bracing
Dec10Bracing

UV index in Burgas 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 Burgas peaks around July 17 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowJul 17UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr7Very high
May6High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Burgas 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 Burgas is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1915 µg/m³Dec 148 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr13Moderate
May12Good
Jun11Good
Jul10Good
Aug10Good
Sep9Good
Oct9Good
Nov9Good
Dec8Good
Location & terrain

Where is Burgas?

Burgas sits at 42.5°N, 27.5°E, 36 m above sea level, in Bulgaria. The nearest listed city is Nessebar, 28 km away.

KarnobatYambolAsparuhovoVarnaKırklareliSliven

Topography around Burgas

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

Within 3 km, the terrain around Burgas has only modest variations in elevation — a maximum elevation change of 43 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 319 m; within 80 km, large variations in elevation — a maximum elevation change of 929 m.

The land around Burgas is covered by water (49%) and artificial surfaces (34%) within 3 km, cropland (33%) and water (32%) within 16 km, and trees (40%), cropland (25%) and water (22%) within 80 km.

3 km
43 m
16 km
319 m
80 km
929 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Nessebar 28 km · Aytos 28 km · Karnobat 43 km · Yambol 79 km · Asparuhovo 82 km · Varna 87 km · Kırklareli 88 km · Sliven 96 km

Bulgaria travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$20,328
2025
Happiness
5.7 / 10
World Happiness, 2025
Safe drinking water
96%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
9.2
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 594
Religion
Christian 65%Muslim 10%none 5%other 0%

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 Burgas (42.5065°, 27.4689°, elevation 36 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).