Çayeli weather in September

In September, Çayeli sees average daytime highs of 20°C and overnight lows near 14°C, with 286 mm of rain across 19.7 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 19°C by the end. The sky is clear or mostly clear about 19% 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 Çayeli's 8th-clearest and 10th-windiest month. For the whole year in context, see Çayeli's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
14°
10th coldest
Rainfall
286 mm
19.7 wet days
Daylight
12 h 18 min
5:03 AM – 5:20 PM
Cloud cover
67%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
3.89 kWh/m²
Travel score
4.8
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 21°C in the first days to 19°C by the end.

A typical September day in Çayeli reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12116
22115
32115
42115
52115
62115
72115
82015
92014
102014
112014
122014
132014
142014
152014
162014
172014
182013
192013
201913
211913
221913
231913
241913
251913
261912
271912
281912
291912
301912

How September really feels in Çayeli

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.

Çayeli weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°16015.812.89.40.0
Feb / -1°13014.211.810.40.2
Mar / 15617.111.111.71.1
Apr12° / 13417.54.913.12.7
May16° / 10°18520.10.314.34.0
Jun20° / 14°21920.3014.94.6
Jul21° / 16°23222.4014.74.6
Aug22° / 17°26924.5013.64.4
Sep20° / 14°28619.7012.34.8
Oct17° / 10°266170.810.94.5
Nov12° / 18613.45.69.72.7
Dec / 15714.39.89.10.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12476
22476
32476
42575
52575
62674
72773
82773
92773
102872
112971
123070
133070
143169
153268
163268
173367
183367
193466
203466
213664
223664
233664
243763
253763
263763
273961
284159
294159
304258

Chance of precipitation in September

Any precipitation

Çayeli gets around 286 mm of rain over 19.7 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 65% and peaks near 74% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
174
273
373
472
572
671
771
870
969
1068
1167
1266
1365
1465
1564
1663
1763
1863
1962
2062
2162
2261
2361
2461
2560
2660
2759
2858
2957
3056

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 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
19284717
210294615
311304514
413324412
514334211
61535419
71636408
81738387
91840366
101941345
112143334
122244313
132345293
142446282
152546272
162746261
172846251
183045241
193244231
203443220
213742210
223941190
234240180
244539170
254737150
265036140
275235130
285633110
295832100
30613180

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 4:48 AM to 5:18 AM, and sunset from 5:46 PM to 4:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.04:485:46
212.94:495:44
312.94:505:42
412.84:515:41
512.84:525:39
612.74:535:37
712.74:545:35
812.64:555:34
912.64:565:32
1012.54:575:30
1112.54:585:28
1212.54:595:27
1312.45:005:25
1412.45:015:23
1512.35:025:21
1612.35:035:20
1712.25:045:18
1812.25:055:16
1912.15:065:14
2012.15:075:12
2112.05:095:11
2212.05:105:09
2311.95:115:07
2411.95:125:05
2511.85:135:04
2611.85:145:02
2711.85:155:00
2811.75:164:58
2911.75:174:57
3011.65:184:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.89 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 5.58 kWh/m² in June across the year — September's 3.89 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.0Moderate
134.0Moderate
144.0Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Çayeli?

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

4.8
Sightseeing
1st-best month of the year
2.4
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Çayeli for sightseeing.

What to pack for Çayeli in September

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

In September, Çayeli sees daytime highs around 20°C and nights near 14°C. Pack rain gear. About 20 days see rain.

rain gear

Sea temperature near Çayeli in September

The nearest coast averages about 24°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 26°C and coldest in February near 9°C.

It's comfortable for a long swim from Jun 5 to Oct 21 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr11Bracing
May17Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov17Cool
Dec13Bracing

UV index in Çayeli in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Çayeli peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May7High
Jun9Very high
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Çayeli?

Çayeli sits at 41.1°N, 40.7°E, 12 m above sea level, in Turkey. The nearest listed city is Rize, 18 km away.

Topography around Çayeli

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

Within 3 km, the terrain around Çayeli has significant variations in elevation — a maximum elevation change of 447 m around an average of 78 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,467 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,871 m.

The land around Çayeli is covered by trees (54%) and water (40%) within 3 km, trees (56%) and water (42%) within 16 km, and trees (35%), water (32%) and grassland (30%) within 80 km.

3 km
447 m
16 km
1,467 m
80 km
3,871 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Rize 18 km · Ardeşen 24 km · Of 42 km · Sürmene 54 km · Arhavi 57 km · Araklı 58 km · Hopa 67 km · Arsin 68 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 Çayeli (41.0861°, 40.7221°, elevation 12 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).