Devrek weather in September

In September, Devrek sees average daytime highs of 24°C and overnight lows near 13°C, with 72 mm of rain across 8.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 52% of the time in September, and the air most often feels comfortable.

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 Devrek's 3rd-clearest and 11th-windiest month. For the whole year in context, see Devrek's year-round climate.

Daytime high
24°
4th warmest
Overnight low
13°
9th coldest
Rainfall
72 mm
8.7 wet days
Daylight
12 h 18 min
5:38 AM – 5:55 PM
Cloud cover
40%
3rd clearest
Wind
6 km/h
11th windiest
Solar energy
4.49 kWh/m²
Travel score
7.4
out of 10

Devrek 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 25°C in the first days to 22°C by the end.

A typical September day in Devrek reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 19°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)
12515
22515
32515
42514
52514
62514
72514
82414
92414
102414
112413
122413
132413
142413
152413
162413
172413
182313
192313
202313
212312
222312
232312
242312
252212
262212
272212
282212
292211
302211

How September really feels in Devrek

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.

Devrek weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°9713.58.39.40.8
Feb / -0°9013.5710.31.4
Mar12° / 103145.311.72.7
Apr16° / 7912.51.113.14.8
May20° / 10°8511.4014.36.3
Jun24° / 14°8412014.96.8
Jul26° / 16°558.5014.77.3
Aug27° / 16°517.5013.67.4
Sep24° / 13°728.7012.37.4
Oct19° / 9310.70.110.96.2
Nov14° / 8210.11.99.74.1
Dec / 10013.55.69.11.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% 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 (%)
17624
27525
37525
47525
57525
67525
77525
87525
97525
107426
117426
127327
137228
147228
157129
167030
176931
186832
196832
206634
216634
226535
236535
246535
256436
266436
276436
286337
296337
306337

Chance of precipitation in September

Any precipitation

Devrek gets around 72 mm of rain over 8.7 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 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
128
228
328
429
529
629
728
828
928
1028
1127
1227
1327
1427
1527
1627
1727
1828
1928
2028
2129
2229
2330
2430
2530
2631
2731
2831
2931
3030

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
115363712
217373611
319373510
42038348
52238337
62339326
72539316
82639305
92740294
102740284
112841284
122941273
132941263
143042263
153042252
163142252
173242242
183342232
193442222
203542212
213742201
223842191
234041171
244241161
254440151
264640131
274839120
285039110
295238100
30543790

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:53 AM, and sunset from 6:21 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:236:21
212.95:246:19
312.95:256:17
412.85:266:16
512.85:276:14
612.75:286:12
712.75:296:11
812.65:306:09
912.65:316:07
1012.65:326:05
1112.55:336:04
1212.55:346:02
1312.45:356:00
1412.45:365:58
1512.35:375:56
1612.35:385:55
1712.25:395:53
1812.25:405:51
1912.15:415:49
2012.15:435:47
2112.05:445:46
2212.05:455:44
2311.95:465:42
2411.95:475:40
2511.85:485:39
2611.85:495:37
2711.85:505:35
2811.75:515:33
2911.75:525:32
3011.65:535:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.49 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 6.56 kWh/m² in July across the year — September's 4.49 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.5Bright
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 Devrek?

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

7.4
Sightseeing
1st-best month of the year
6.0
Beach & pool
3rd-best month of the year

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

What to pack for Devrek in September

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

In September, Devrek sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Devrek 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 33 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 Devrek 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 Devrek peaks around August 11 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 11UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Devrek 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 Devrek 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 Devrek?

Devrek sits at 41.2°N, 32.0°E, 95 m above sea level, in Turkey. The nearest listed city is Çaycuma, 25 km away.

Topography around Devrek

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

Within 3 km, the terrain around Devrek has significant variations in elevation — a maximum elevation change of 571 m around an average of 266 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,086 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,359 m.

The land around Devrek is covered by trees (62%) and grassland (29%) within 3 km, trees (80%) within 16 km, and trees (61%) and water (23%) within 80 km.

3 km
571 m
16 km
1,086 m
80 km
2,359 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Çaycuma 25 km · Zonguldak 29 km · Ereğli 46 km · Alaplı 48 km · Gerede 51 km · Bartın 56 km · Karabük 56 km · Bolu 61 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 Devrek (41.2192°, 31.9558°, elevation 95 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).