Marmaris weather in September

In September, Marmaris sees average daytime highs of 27°C and overnight lows near 23°C, with 20 mm of rain across 1.8 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 93% of the time in September, and the air most often feels muggy.

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 Marmaris's 3rd-clearest and 7th-windiest month. For the whole year in context, see Marmaris's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
20 mm
1.8 wet days
Daylight
12 h 12 min
5:54 AM – 6:08 PM
Cloud cover
9%
3rd clearest
Wind
15 km/h
7th windiest
Solar energy
5.79 kWh/m²
Travel score
8.9
out of 10

Marmaris is district and town of Muğla Province, Turkey.

Density
38/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 28°C in the first days to 25°C by the end.

A typical September day in Marmaris reaches about 27°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62824
72724
82724
92724
102724
112724
122724
132724
142724
152723
162723
172623
182623
192623
202623
212623
222623
232623
242623
252622
262522
272522
282522
292522
302522

Marmaris 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
Jan14° / 11°224139.84.1
Feb14° / 11°15611.810.64.2
Mar16° / 13°1018.311.75.3
Apr18° / 15°576.512.96.7
May21° / 18°243.713.98.2
Jun25° / 22°30.914.59.2
Jul28° / 25°10.214.38.6
Aug29° / 26°10.113.48.0
Sep27° / 23°201.812.38.9
Oct23° / 20°935.4118.2
Nov19° / 16°1739.1106.6
Dec16° / 13°23913.19.54.7

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
61000
7991
8991
9991
10991
11991
12991
13991
14991
15982
16982
17973
18973
19973
20973
21973
22964
23955
24955
25955
26955
27946
28946
29937
30937

Chance of precipitation in September

Any precipitation

Marmaris gets around 20 mm of rain over 1.8 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 6% and peaks near 12% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
43
53
63
73
83
94
104
114
124
135
145
155
165
176
186
197
207
218
228
239
249
259
2610
2710
2811
2911
3012

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
135154532
236164530
336174528
437184626
537194625
647204723
747204721
848214820
948224818
1048224917
1149234916
1239234915
1349244914
14410254813
15411254813
16411264712
17412274611
18412284610
1951329449
2051430438
2151431427
2261532416
2371634395
2471635384
2581736364
2681737353
2791739342
2891740322
29101741311
30101742301

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 5:42 AM to 6:06 AM, and sunset from 6:31 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:426:31
212.85:436:30
312.75:436:28
412.75:446:27
512.75:456:25
612.65:466:24
712.65:476:22
812.65:486:21
912.55:486:19
1012.55:496:18
1112.45:506:16
1212.45:516:14
1312.45:526:13
1412.35:536:11
1512.35:536:10
1612.25:546:08
1712.25:556:07
1812.25:566:05
1912.15:576:03
2012.15:586:02
2112.05:586:00
2212.05:595:59
2311.96:005:57
2411.96:015:56
2511.96:025:54
2611.86:035:52
2711.86:045:51
2811.76:045:49
2911.76:055:48
3011.76:065:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.79 kWh/m².

For context, solar energy here swings from a low near 2.22 kWh/m² to a high of 7.87 kWh/m² in June across the year — September's 5.79 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
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.0Bright
Planning a trip in September

Hazard calendar for Marmaris

In seasonPeak

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

Marmaris's rainy season runs November–February, 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 Marmaris?

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

8.9
Sightseeing
2nd-best month of the year
8.6
Beach & pool
3rd-best month of the year

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

What to pack for Marmaris in September

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

In September, Marmaris sees daytime highs around 27°C and nights near 23°C. Worth packing: light clothes and sun protection.

light clothessun protection

Sea temperature near Marmaris in September

The nearest coast averages about 26°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 27 km away) is warmest in August at about 27°C and coldest in March near 17°C.

It's comfortable for a long swim from May 19 to Dec 8 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May20Cool
Jun23Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Marmaris 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 Marmaris peaks around June 21 at about 9 (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 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateJun 21UV 9Jan 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 Marmaris 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 Marmaris is worst in August — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodAug 1520 µg/m³Dec 1811 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar16Moderate
Apr18Moderate
May19Moderate
Jun17Moderate
Jul17Moderate
Aug21Moderate
Sep15Moderate
Oct14Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is Marmaris?

Marmaris sits at 36.9°N, 28.3°E, 8 m above sea level, in Turkey. The nearest listed city is Muğla, 41 km away.

Topography around Marmaris

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

Within 3 km, the terrain around Marmaris has significant variations in elevation — a maximum elevation change of 493 m around an average of 88 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 996 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,275 m.

The land around Marmaris is covered by trees (45%) and water (26%) within 3 km, trees (64%) and water (25%) within 16 km, and trees (46%) and water (43%) within 80 km.

3 km
493 m
16 km
996 m
80 km
2,275 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Muğla 41 km · Sarigerme 41 km · Ortaca 44 km · Rhodes 47 km · Dalaman 48 km · Yatağan 55 km · Milas 67 km · Bodrum 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 Marmaris (36.855°, 28.2742°, elevation 8 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).