Çaycuma weather in September

In September, Çaycuma sees average daytime highs of 24°C and overnight lows near 16°C, with 65 mm of rain across 7.5 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 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 61% 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 Çaycuma's 4th-clearest and 7th-windiest month. For the whole year in context, see Çaycuma's year-round climate.

Daytime high
24°
4th warmest
Overnight low
16°
9th coldest
Rainfall
65 mm
7.5 wet days
Daylight
12 h 18 min
5:38 AM – 5:54 PM
Cloud cover
35%
4th clearest
Wind
9 km/h
7th windiest
Solar energy
4.51 kWh/m²
Travel score
7.7
out of 10

Çaycuma is district and town of Zonguldak, Turkey.

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 Çaycuma reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°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)
12618
22618
32618
42618
52617
62517
72517
82517
92517
102517
112517
122517
132517
142416
152416
162416
172416
182416
192416
202416
212416
222316
232315
242315
252315
262315
272315
282315
292315
302215

How September really feels in Çaycuma

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.

Çaycuma 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 / 8413.34.19.31.4
Feb / 73123.610.31.8
Mar12° / 7812.71.811.72.9
Apr16° / 499.10.213.15.1
May20° / 12°477.2014.37.0
Jun24° / 17°477.1014.97.7
Jul27° / 19°375.2014.77.9
Aug27° / 20°385.2013.77.8
Sep24° / 16°657.5012.37.7
Oct20° / 12°869.7010.96.5
Nov15° / 779.80.59.74.6
Dec10° / 9012.52.49.12.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18317
28218
38119
48119
58119
68119
78119
88119
98020
107921
117921
127822
137822
147723
157624
167525
177525
187426
197327
207228
217228
227129
237129
247129
257030
267030
277030
287030
297030
307030

Chance of precipitation in September

Any precipitation

Çaycuma gets around 65 mm of rain over 7.5 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 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
123
224
324
424
524
624
724
824
924
1023
1123
1223
1323
1423
1523
1623
1724
1824
1924
2025
2125
2226
2326
2427
2527
2627
2727
2827
2927
3027

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
132139325
242239314
352339293
452540273
562640263
672641242
772741232
882841212
982842201
1092842191
11102942191
12102942181
13112942181
14122942171
15122942171
16132941161
17142941160
18142940160
19152940150
20163039140
21173039140
22183138130
23193137120
24203237110
25213236100
2622333690
2723333580
2825333570
2926343470
3027343360

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
69calm
79calm
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 5:22 AM to 5:53 AM, and sunset from 6:21 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:226:21
212.95:236:19
312.95:246:17
412.85:256:15
512.85:266:14
612.75:276:12
712.75:286:10
812.65:296:08
912.65:316:07
1012.65:326:05
1112.55:336:03
1212.55:346:01
1312.45:356:00
1412.45:365:58
1512.35:375:56
1612.35:385:54
1712.25:395:52
1812.25:405:51
1912.15:415:49
2012.15:425:47
2112.05:435:45
2212.05:445:43
2311.95:455:42
2411.95:465:40
2511.85:475:38
2611.85:485:36
2711.85:495:35
2811.75:515:33
2911.75:525:31
3011.65:535:29

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 1.51 kWh/m² to a high of 6.69 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 Çaycuma?

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

7.7
Sightseeing
3rd-best month of the year
6.5
Beach & pool
4th-best month of the year

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

What to pack for Çaycuma in September

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

In September, Çaycuma sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Çaycuma 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 22 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 13 to Oct 10 — about 3.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr10Bracing
May15Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Çaycuma 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 Çaycuma peaks around June 23 at about 8 (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 highHighModerateLowJun 23UV 8Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May6High
Jun8Very high
Jul8Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Çaycuma 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 Çaycuma is worst in March — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (August, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2216 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar17Moderate
Apr16Moderate
May15Moderate
Jun12Good
Jul10Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Çaycuma?

Çaycuma sits at 41.4°N, 32.1°E, 43 m above sea level, in Turkey. The nearest listed city is Zonguldak, 24 km away.

Topography around Çaycuma

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

Within 3 km, the terrain around Çaycuma has significant variations in elevation — a maximum elevation change of 354 m around an average of 80 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 885 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,992 m.

The land around Çaycuma is covered by trees (49%) and grassland (33%) within 3 km, trees (71%) and grassland (24%) within 16 km, and trees (59%) and water (28%) within 80 km.

3 km
354 m
16 km
885 m
80 km
1,992 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Zonguldak 24 km · Devrek 25 km · Bartın 32 km · Karabük 52 km · Safranbolu 55 km · Ereğli 57 km · Alaplı 64 km · Gerede 70 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 Çaycuma (41.4264°, 32.0756°, elevation 43 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).