Fethiye weather in September

In September, Fethiye sees average daytime highs of 29°C and overnight lows near 16°C, with 13 mm of rain across 2.9 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 27°C by the end. The sky is clear or mostly clear about 92% of the time in September, and the air most often feels dry.

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 Fethiye's 3rd-clearest and 4th-windiest month. For the whole year in context, see Fethiye's year-round climate.

Daytime high
29°
4th warmest
Overnight low
16°
9th coldest
Rainfall
13 mm
2.9 wet days
Daylight
12 h 12 min
5:51 AM – 6:05 PM
Cloud cover
12%
3rd clearest
Wind
6 km/h
4th windiest
Solar energy
5.79 kWh/m²
Travel score
7.3
out of 10

Fethiye is district and town in Muğla Province, 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 31°C in the first days to 27°C by the end.

A typical September day in Fethiye reaches about 29°C in the afternoon and slips back to 16°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13118
23118
33118
43118
53118
63018
73017
83017
93017
103017
113017
122917
132916
142916
152916
162916
172916
182816
192816
202815
212815
222815
232815
242815
252715
262714
272714
282714
292714
302714

How September really feels in Fethiye

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.

Fethiye 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
Jan11° / 110100.79.82.8
Feb12° / 909.70.610.63.2
Mar15° / 7410.10.211.74.7
Apr19° / 629.5012.96.4
May24° / 12°538.8013.97.5
Jun29° / 17°214.8014.56.6
Jul33° / 20°82014.24.7
Aug33° / 20°112.9013.44.8
Sep29° / 16°132.9012.27.3
Oct24° / 11°405.5011.18.1
Nov18° / 655.90106.5
Dec13° / 969.70.29.53.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 92% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 5% 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
5991
6991
7991
8991
9991
10991
11991
12982
13973
14973
15973
16973
17973
18973
19964
20964
21955
22955
23946
24946
25946
26937
27937
28937
29928
30919

Chance of precipitation in September

Any precipitation

Fethiye gets around 13 mm of rain over 2.9 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 10% and peaks near 13% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
18
28
37
47
58
68
78
88
98
108
119
129
139
149
1510
1610
1710
1810
1910
2011
2111
2211
2311
2411
2511
2611
2712
2812
2912
3013

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1583111
2583111
3593110
460319
560319
661318
762317
862317
963316
1063316
1164315
1264315
1365305
1466304
1566304
1667294
1768284
1869283
1970273
2071263
2173252
2274242
2375232
2478211
2579201
2680191
2781181
2882171
2984160
3085150

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 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
295calm
305calm

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
1112.45:476:13
1212.45:486:11
1312.35:486:09
1412.35:496:08
1512.35:506:06
1612.25:516:05
1712.25:526:03
1812.15:536:02
1912.15:536:00
2012.15:545:58
2112.05:555:57
2212.05:565:55
2311.95:575:54
2411.95:585:52
2511.95:585:51
2611.85:595:49
2711.86:005:48
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 5.79 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 7.75 kWh/m² in July across the year — September's 5.79 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.3Intense
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 Fethiye

In seasonPeak

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

Fethiye's rainy season runs November–May, 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 Fethiye?

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

7.3
Sightseeing
3rd-best month of the year
8.7
Beach & pool
1st-best month of the year

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

What to pack for Fethiye in September

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

In September, Fethiye sees daytime highs around 29°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Fethiye 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 23 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 17 to Dec 10 — 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
May20Cool
Jun23Refreshing
Jul26Warm
Aug27Warm
Sep26Warm
Oct24Warm
Nov22Refreshing
Dec20Cool

UV index in Fethiye 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 Fethiye peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highVery highModerateJun 21UV 10Jan 10UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Fethiye 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 Fethiye 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 Fethiye?

Fethiye sits at 36.6°N, 29.1°E, 9 m above sea level, in Turkey. The nearest listed city is Ölüdeniz, 8.0 km away.

Topography around Fethiye

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

Within 3 km, the terrain around Fethiye has significant variations in elevation — a maximum elevation change of 297 m around an average of 20 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 Fethiye is covered by artificial surfaces (38%), trees (26%) and water (24%) within 3 km, trees (57%) and water (27%) within 16 km, and trees (45%) and water (32%) within 80 km.

3 km
297 m
16 km
1,957 m
80 km
2,986 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ölüdeniz 8.0 km · Dalaman 32 km · Sarigerme 39 km · Ortaca 39 km · Kas 67 km · Elmalı 71 km · Marmaris 80 km · Rhodes 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 Fethiye (36.6404°, 29.1276°, elevation 9 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).