Didim weather in September

In September, Didim sees average daytime highs of 28°C and overnight lows near 21°C, with 23 mm of rain across 2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 26°C by the end. The sky is clear or mostly clear about 92% 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 Didim's 3rd-clearest and 10th-windiest month. For the whole year in context, see Didim's year-round climate.

Daytime high
28°
4th warmest
Overnight low
21°
9th coldest
Rainfall
23 mm
2 wet days
Daylight
12 h 12 min
5:58 AM – 6:12 PM
Cloud cover
10%
3rd clearest
Wind
13 km/h
10th windiest
Solar energy
5.68 kWh/m²
Travel score
8.2
out of 10

Didim is district and town of Aydın Province of western Turkey.

Density
78/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 29°C in the first days to 26°C by the end.

A typical September day in Didim reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13022
22922
32922
42922
52922
62922
72922
82921
92821
102821
112821
122821
132821
142821
152821
162821
172720
182720
192720
202720
212720
222720
232720
242720
252619
262619
272619
282619
292619
302619

How September really feels in Didim

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.

Didim weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 14011.39.74.0
Feb14° / 1041110.64.2
Mar16° / 10°788.711.75.5
Apr19° / 13°516.712.97.0
May23° / 17°244.5148.4
Jun28° / 21°51.414.58.0
Jul31° / 23°10.214.36.6
Aug31° / 24°10.213.46.5
Sep28° / 21°23212.38.2
Oct24° / 17°675.3118.2
Nov19° / 13°1138.4106.6
Dec15° / 10°14511.79.54.5

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 4%. 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
8982
9982
10982
11982
12982
13982
14982
15973
16973
17973
18973
19955
20955
21955
22946
23946
24946
25937
26928
27928
28928
299010
309010

Chance of precipitation in September

Any precipitation

Didim gets around 23 mm of rain over 2 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 (%)
13
23
33
43
54
64
74
84
94
105
115
125
135
145
155
166
176
186
197
207
218
228
239
249
2510
2610
2711
2811
2912
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 35% of days. Sticky, muggy-or-worse air turns up on roughly 40% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1415264114
2516264112
3516274111
4516274110
5617274110
661728419
761728408
861828407
971829407
1071829406
1171829406
1281830395
1381830395
1481830385
1591830385
1691831374
17101831374
18101831364
19111832354
20121932343
21121933333
22131934323
23141934302
24142035292
25152035282
26162036271
27162037261
28162137251
29172138241
30172138230

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2912light breeze
3012light 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 5:45 AM to 6:10 AM, and sunset from 6:36 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:456:36
212.85:466:34
312.85:476:33
412.75:486:31
512.75:496:30
612.65:506:28
712.65:516:27
812.65:516:25
912.55:526:24
1012.55:536:22
1112.45:546:20
1212.45:556:19
1312.45:566:17
1412.35:576:16
1512.35:576:14
1612.25:586:12
1712.25:596:11
1812.26:006:09
1912.16:016:08
2012.16:026:06
2112.06:036:04
2212.06:036:03
2311.96:046:01
2411.96:056:00
2511.96:065:58
2611.86:075:56
2711.86:085:55
2811.76:095:53
2911.76:105:52
3011.76:105:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.68 kWh/m².

For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 7.83 kWh/m² in July across the year — September's 5.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.0Intense
106.0Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.7Bright
165.7Bright
175.6Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.1Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Didim

In seasonPeak

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

Didim's rainy season runs October–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 Didim?

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

8.2
Sightseeing
2nd-best month of the year
8.8
Beach & pool
4th-best month of the year

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

What to pack for Didim in September

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

In September, Didim sees daytime highs around 28°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Didim 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 25°C and coldest in February near 16°C.

It's comfortable for a long swim from May 23 to Nov 14 — about 5.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Refreshing
Aug25Warm
Sep24Refreshing
Oct22Refreshing
Nov20Cool
Dec18Cool

UV index in Didim 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 Didim peaks around June 22 at about 9 (very high) — 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 highModerateJun 22UV 9Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Didim 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 Didim is worst in March — around 16 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodMar 2116 µg/m³Dec 1911 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb14Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun13Moderate
Jul14Moderate
Aug16Moderate
Sep12Good
Oct12Good
Nov13Moderate
Dec10Good
Location & terrain

Where is Didim?

Didim sits at 37.4°N, 27.3°E, 69 m above sea level, in Turkey. The nearest listed city is Turgutreis, 41 km away.

Topography around Didim

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

Within 3 km, the terrain around Didim has only modest variations in elevation — a maximum elevation change of 106 m around an average of 45 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 444 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,413 m.

The land around Didim is covered by grassland (28%) and artificial surfaces (28%) within 3 km, water (60%) within 16 km, and water (54%) and trees (28%) within 80 km.

3 km
106 m
16 km
444 m
80 km
1,413 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Turgutreis 41 km · Bodrum 41 km · Söke 42 km · Milas 47 km · Kuşadası 53 km · Kos 55 km · Ephesus 64 km · İncirliova 66 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 Didim (37.385°, 27.2564°, elevation 69 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).