Diyarbakır weather in September

In September, Diyarbakır sees average daytime highs of 33°C and overnight lows near 17°C, with 8 mm of rain across 1.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 30°C by the end. The sky is clear or mostly clear about 90% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Diyarbakır's 3rd-clearest and 8th-windiest month. For the whole year in context, see Diyarbakır's year-round climate.

Daytime high
33°
4th warmest
Overnight low
17°
9th coldest
Rainfall
8 mm
1.3 wet days
Daylight
12 h 12 min
5:06 AM – 5:21 PM
Cloud cover
12%
3rd clearest
Wind
6 km/h
8th windiest
Solar energy
5.87 kWh/m²
Travel score
4.6
out of 10

Diyarbakır is city in Southeastern Anatolia, 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 36°C in the first days to 30°C by the end.

A typical September day in Diyarbakır reaches about 33°C in the afternoon and slips back to 17°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 37°C. Set against its neighbours, September runs about 5°C cooler than August and about 8°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13620
23620
33620
43619
53619
63519
73519
83518
93518
103518
113418
123418
133417
143417
153317
163317
173317
183316
193316
203216
213216
223216
233115
243115
253115
263115
273015
283014
293014
303014

How September really feels in Diyarbakır

Once humidity and wind are folded in, September averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Diyarbakır 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
Jan / -1°9310.649.71.1
Feb10° / -0°86113.210.52.0
Mar14° / 9712.50.611.74.1
Apr20° / 9112.20136.1
May26° / 13°639.80146.8
Jun33° / 18°92.7014.64.2
Jul38° / 23°10.4014.41.3
Aug38° / 22°10.3013.51.2
Sep33° / 17°81.3012.34.6
Oct25° / 11°466.10117.5
Nov16° / 607.30.3105.5
Dec / 909.91.69.42.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 90% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% 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 (%)
1991
2991
3991
4991
5991
61000
71000
81000
9991
10982
11982
12982
13982
14982
15982
16982
17973
18973
19973
20973
21964
22964
23955
24946
25946
26946
27937
28928
29919
30919

Chance of precipitation in September

Any precipitation

Diyarbakır gets around 8 mm of rain over 1.3 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 5% and peaks near 10% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
82
92
102
113
123
133
144
154
164
175
185
195
206
216
227
237
247
258
268
279
289
299
3010

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
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 54 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 72 minutes over September. Sunrise moves from 4:53 AM to 5:19 AM, and sunset from 5:45 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.94:535:45
212.84:545:43
312.84:555:42
412.74:565:40
512.74:575:38
612.74:575:37
712.64:585:35
812.64:595:34
912.55:005:32
1012.55:015:30
1112.45:025:29
1212.45:035:27
1312.45:045:26
1412.35:045:24
1512.35:055:22
1612.25:065:21
1712.25:075:19
1812.25:085:17
1912.15:095:16
2012.15:105:14
2112.05:115:13
2212.05:125:11
2311.95:125:09
2411.95:135:08
2511.95:145:06
2611.85:155:04
2711.85:165:03
2811.75:175:01
2911.75:185:00
3011.75:194:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.87 kWh/m².

For context, solar energy here swings from a low near 2 kWh/m² to a high of 7.88 kWh/m² in July across the year — September's 5.87 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.5Intense
46.5Intense
56.4Intense
66.4Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.0Intense
146.0Bright
155.9Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.4Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Diyarbakır

In seasonPeak

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

Diyarbakır's rainy season runs October–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 Diyarbakır?

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

4.6
Sightseeing
5th-best month of the year
7.8
Beach & pool
1st-best month of the year

September is a reasonable time to visit Diyarbakır for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Diyarbakır in September

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

In September, Diyarbakır sees daytime highs around 33°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Diyarbakır 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 Diyarbakır peaks around June 15 at about 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 15UV 10Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun10Very high
Jul8Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Diyarbakır 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 Diyarbakır is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (July, 16 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2126 µg/m³Jul 2016 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar26Moderate
Apr25Moderate
May26Moderate
Jun20Moderate
Jul16Moderate
Aug18Moderate
Sep20Moderate
Oct24Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Diyarbakır?

Diyarbakır sits at 37.9°N, 40.2°E, 674 m above sea level, in Turkey. The nearest listed city is Bismil, 40 km away.

Topography around Diyarbakır

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

Within 3 km, the terrain around Diyarbakır has only modest variations in elevation — a maximum elevation change of 145 m around an average of 659 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 285 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,136 m.

The land around Diyarbakır is covered by artificial surfaces (54%) within 3 km, cropland (75%) within 16 km, and cropland (49%) and grassland (47%) within 80 km.

3 km
145 m
16 km
285 m
80 km
2,136 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Bismil 40 km · Ergani 57 km · Lice 71 km · Çermik 72 km · Silvan 74 km · Batman 80 km · Siverek 81 km · Mardin 81 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 Diyarbakır (37.9136°, 40.2172°, elevation 674 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. 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).