Ölüdeniz weather in September

In September, Ölüdeniz sees average daytime highs of 29°C and overnight lows near 19°C, with 15 mm of rain across 2.1 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 27°C by the end. The sky is clear or mostly clear about 93% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Ölüdeniz's 3rd-clearest and 7th-windiest month. For the whole year in context, see Ölüdeniz's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
19°
10th coldest
Rainfall
15 mm
2.1 wet days
Daylight
12 h 12 min
5:51 AM – 6:05 PM
Cloud cover
11%
3rd clearest
Wind
6 km/h
7th windiest
Solar energy
5.81 kWh/m²
Travel score
7.6
out of 10

Ölüdeniz is mahalle (administrative quarter) in Fethiye, Muğla, southwestern Turkey.

Density
1/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 30°C in the first days to 27°C by the end.

A typical September day in Ölüdeniz reaches about 29°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°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°35°151015202530
Avg high (°C)Avg low (°C)
13121
23021
33021
43021
53021
63020
73020
83020
92920
102920
112920
122920
132919
142919
152919
162919
172819
182819
192819
202819
212818
222818
232818
242718
252718
262718
272718
282717
292717
302717

How September really feels in Ölüdeniz

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.

Ölüdeniz weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan13° / 15311.89.83.6
Feb14° / 1079.810.64.1
Mar16° / 758.911.75.4
Apr19° / 11°497.812.96.8
May24° / 15°315.313.98.2
Jun29° / 19°82.914.47.4
Jul32° / 22°30.914.25.7
Aug32° / 22°51.413.45.7
Sep29° / 19°152.112.27.6
Oct24° / 15°555.411.18.2
Nov19° / 11°876.910.16.8
Dec15° / 13911.49.54.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 93% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 3%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
6991
7991
8991
9991
10991
11991
12982
13982
14973
15973
16973
17973
18973
19964
20964
21964
22964
23955
24946
25946
26946
27946
28946
29937
30928

Chance of precipitation in September

Any precipitation

Ölüdeniz gets around 15 mm of rain over 2.1 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 7% and peaks near 11% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
13
23
34
44
54
64
74
85
95
105
115
126
136
146
156
167
177
187
197
208
218
229
239
2410
2510
2610
2710
2811
2911
3011

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
110224522
211234521
312234420
413244419
513254418
614264417
714274316
815284315
915294214
1015304213
1116304113
1216314112
1316324011
1416334010
1517343910
161735399
171736388
181837387
191938376
201939365
212040355
222141344
232342333
242442322
252543302
262743292
272844271
282944261
293044251
303244231

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 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 5:39 AM to 6:03 AM, and sunset from 6:28 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:396:28
212.85:396:26
312.75:406:25
412.75:416:23
512.75:426:22
612.65:436:20
712.65:446:19
812.55:446:17
912.55:456:16
1012.55:466:14
1112.45:476:12
1212.45:486:11
1312.35:486:09
1412.35:496:08
1512.35:506:06
1612.25:516:05
1712.25:526:03
1812.15:536:01
1912.15:536:00
2012.15:545:58
2112.05:555:57
2212.05:565:55
2312.05:575:54
2411.95:575:52
2511.95:585:51
2611.85:595:49
2711.86:005:47
2811.86:015:46
2911.76:025:44
3011.76:035:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.81 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 7.82 kWh/m² in July across the year — September's 5.81 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.0Intense
126.0Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Ölüdeniz

In seasonPeak

None of Ölüdeniz's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Ölüdeniz's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Ölüdeniz?

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

7.6
Sightseeing
3rd-best month of the year
8.9
Beach & pool
1st-best month of the year

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

What to pack for Ölüdeniz in September

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

In September, Ölüdeniz sees daytime highs around 29°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Ölüdeniz in September

The nearest coast averages about 27°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 21 km away) is warmest in August at about 28°C and coldest in March near 17°C.

It's comfortable for a long swim from May 15 to Dec 8 — about 6.8 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Ölüdeniz in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ölüdeniz peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateJun 21UV 10Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr8Very high
May8Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Ölüdeniz 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 Ölüdeniz is worst in May — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1420 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar16Moderate
Apr18Moderate
May20Moderate
Jun16Moderate
Jul15Moderate
Aug20Moderate
Sep14Moderate
Oct14Moderate
Nov12Moderate
Dec9Good
Location & terrain

Where is Ölüdeniz?

Ölüdeniz sits at 36.6°N, 29.1°E, 0 m above sea level, in Turkey. The nearest listed city is Fethiye, 8.0 km away.

Topography around Ölüdeniz

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

Within 3 km, the terrain around Ölüdeniz has very significant variations in elevation — a maximum elevation change of 1,575 m around an average of 495 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,957 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,986 m.

The land around Ölüdeniz is covered by trees (78%) within 3 km, trees (51%) and water (31%) within 16 km, and trees (43%) and water (35%) within 80 km.

3 km
1,575 m
16 km
1,957 m
80 km
2,986 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Fethiye 8.0 km · Dalaman 38 km · Sarigerme 43 km · Ortaca 45 km · Kas 60 km · Elmalı 71 km · Rhodes 84 km · Marmaris 84 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 Ölüdeniz (36.5667°, 29.1447°, elevation 0 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).