Zonguldak weather in September

In September, Zonguldak sees average daytime highs of 22°C and overnight lows near 19°C, with 82 mm of rain across 8.1 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 66% 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 Zonguldak's 4th-clearest and 8th-windiest month. For the whole year in context, see Zonguldak's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
82 mm
8.1 wet days
Daylight
12 h 18 min
5:39 AM – 5:55 PM
Cloud cover
32%
4th clearest
Wind
13 km/h
8th windiest
Solar energy
4.51 kWh/m²
Travel score
7.5
out of 10

Zonguldak is central district and city in Zonguldak Province, Turkey.

Air quality
Good
PM10 26.8 µg/m³ · 2017
Density
374/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 23°C in the first days to 21°C by the end.

A typical September day in Zonguldak reaches about 22°C in the afternoon and slips back to 19°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12420
22420
32420
42320
52320
62319
72319
82319
92319
102319
112319
122319
132219
142219
152219
162219
172218
182218
192218
202218
212218
222218
232118
242118
252118
262117
272117
282117
292117
302117

Zonguldak weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 96143.99.31.1
Feb / 7612.33.310.31.2
Mar10° / 7712.31.611.71.9
Apr13° / 478.80.113.13.7
May17° / 14°436.8014.36.2
Jun22° / 18°506.6014.97.7
Jul25° / 21°425.7014.78.4
Aug25° / 21°505.9013.78.3
Sep22° / 19°828.1012.37.5
Oct18° / 15°10110.1010.96.1
Nov14° / 10°9010.50.29.74.0
Dec10° / 10713.71.89.12.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18713
28713
38614
48614
58614
68614
78614
88515
98515
108515
118515
128416
138416
148317
158218
168119
178020
188020
197921
207822
217723
227723
237624
247525
257426
267426
277426
287426
297327
307327

Chance of precipitation in September

Any precipitation

Zonguldak gets around 82 mm of rain over 8.1 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 27% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
326
427
526
626
726
825
925
1025
1124
1224
1324
1424
1524
1625
1725
1825
1926
2027
2127
2228
2329
2429
2530
2630
2730
2830
2929
3029

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 38% 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 (%)
141733379
241834368
351934347
452035336
552136326
662237305
762338294
862338284
972439273
1072440273
1172440262
1282440262
1382441252
1492541251
1592541241
16102541231
17102541231
18112541221
19122540211
20132640211
21142640201
22152639191
23162639181
24182738171
25192738161
26202737150
27212737140
28222737130
29232736130
30242836120

Wind in September

Winds average 13 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 5:23 AM to 5:54 AM, and sunset from 6:22 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:236:22
212.95:246:20
312.95:256:18
412.85:266:17
512.85:276:15
612.75:296:13
712.75:306:11
812.75:316:10
912.65:326:08
1012.65:336:06
1112.55:346:04
1212.55:356:03
1312.45:366:01
1412.45:375:59
1512.35:385:57
1612.35:395:55
1712.25:405:54
1812.25:415:52
1912.15:425:50
2012.15:435:48
2112.05:445:46
2212.05:455:45
2311.95:465:43
2411.95:475:41
2511.85:485:39
2611.85:505:37
2711.85:515:36
2811.75:525:34
2911.75:535:32
3011.65:545:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.51 kWh/m².

For context, solar energy here swings from a low near 1.49 kWh/m² to a high of 6.72 kWh/m² in July across the year — September's 4.51 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.4Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Zonguldak?

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

7.5
Sightseeing
4th-best month of the year
5.3
Beach & pool
3rd-best month of the year

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

What to pack for Zonguldak in September

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

In September, Zonguldak sees daytime highs around 22°C and nights near 19°C. Worth packing: light clothes, rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

Sea temperature near Zonguldak 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 16 km away) is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 12 to Oct 11 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec12Bracing

UV index in Zonguldak 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 Zonguldak peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highHighModerateLowJun 23UV 8Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Zonguldak 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 Zonguldak is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2115 µg/m³Dec 198 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar15Moderate
Apr14Moderate
May13Moderate
Jun11Good
Jul9Good
Aug9Good
Sep9Good
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Zonguldak?

Zonguldak sits at 41.5°N, 31.8°E, 24 m above sea level, in Turkey. The nearest listed city is Çaycuma, 24 km away.

Topography around Zonguldak

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

Within 3 km, the terrain around Zonguldak has significant variations in elevation — a maximum elevation change of 423 m around an average of 97 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 923 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,992 m.

The land around Zonguldak is covered by trees (55%), water (24%) and artificial surfaces (20%) within 3 km, trees (49%) and water (44%) within 16 km, and trees (58%) and water (34%) within 80 km.

3 km
423 m
16 km
923 m
80 km
1,992 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Çaycuma 24 km · Devrek 29 km · Ereğli 36 km · Alaplı 45 km · Bartın 50 km · Akçakoca 69 km · Karabük 75 km · Safranbolu 78 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%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 Zonguldak (41.4514°, 31.7931°, elevation 24 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).