Yeşilli weather in September

In September, Yeşilli sees average daytime highs of 33°C and overnight lows near 18°C, with 2 mm of rain across 0.4 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 35°C in the first days to 30°C by the end. The sky is clear or mostly clear about 94% 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 Yeşilli's 3rd-clearest and 10th-windiest month. For the whole year in context, see Yeşilli's year-round climate.

Daytime high
33°
4th warmest
Overnight low
18°
9th coldest
Rainfall
2 mm
0.4 wet days
Daylight
12 h 12 min
5:04 AM – 5:18 PM
Cloud cover
8%
3rd clearest
Wind
8 km/h
10th windiest
Solar energy
5.96 kWh/m²
Travel score
5.1
out of 10

Yeşilli is district and town of Mardin, Türkiye.

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 35°C in the first days to 30°C by the end.

A typical September day in Yeşilli reaches about 33°C in the afternoon and slips back to 18°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13621
23521
33521
43520
53520
63520
73420
83420
93420
103419
113419
123319
133319
143319
153318
163318
173218
183218
193218
203218
213217
223117
233117
243117
253117
263016
273016
283016
293016
303016

How September really feels in Yeşilli

Once humidity and wind are folded in, September averages 19 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
19
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.

Yeşilli 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 / 709.81.89.71.7
Feb11° / 669.51.810.62.5
Mar15° / 65100.211.74.7
Apr20° / 488.2012.96.8
May27° / 14°315.90147.1
Jun34° / 20°31014.54.0
Jul38° / 23°10.2014.31.4
Aug37° / 23°00.1013.41.8
Sep33° / 18°20.4012.35.1
Oct26° / 13°223.40117.9
Nov17° / 415.80.2106.1
Dec11° / 658.70.89.52.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 94% 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 2%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14982
15982
16982
17982
18982
19982
20982
21982
22973
23973
24973
25973
26964
27955
28955
29955
30946

Chance of precipitation in September

Any precipitation

Yeşilli gets around 2 mm of rain over 0.4 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 1% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
101
111
121
131
141
151
162
172
182
192
202
212
222
233
243
253
263
273
283
293
303

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 (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18991
19991
20991
21991
22991
23991
24991
25991
26991
271000
281000
291000
301000

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 4:51 AM to 5:16 AM, and sunset from 5:42 PM to 4:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.84:515:42
212.84:525:40
312.84:535:39
412.74:545:37
512.74:555:36
612.64:555:34
712.64:565:32
812.64:575:31
912.54:585:29
1012.54:595:28
1112.45:005:26
1212.45:015:25
1312.45:015:23
1412.35:025:21
1512.35:035:20
1612.25:045:18
1712.25:055:17
1812.25:065:15
1912.15:075:13
2012.15:075:12
2112.05:085:10
2212.05:095:09
2311.95:105:07
2411.95:115:05
2511.95:125:04
2611.85:135:02
2711.85:145:01
2811.75:144:59
2911.75:154:57
3011.75:164:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.96 kWh/m².

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 7.93 kWh/m² in June across the year — September's 5.96 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.5Intense
56.5Intense
66.4Intense
76.4Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.0Intense
156.0Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.4Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Yeşilli?

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

5.1
Sightseeing
5th-best month of the year
8.3
Beach & pool
1st-best month of the year

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

What to pack for Yeşilli in September

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

In September, Yeşilli sees daytime highs around 33°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Yeşilli 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 Yeşilli peaks around June 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 highVery highHighModerateJun 14UV 10Jan 12UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul7High
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Yeşilli 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 Yeşilli is worst in March — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2028 µg/m³Jul 2118 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb23Moderate
Mar29Moderate
Apr27Moderate
May28Moderate
Jun25Moderate
Jul18Moderate
Aug20Moderate
Sep21Moderate
Oct26Moderate
Nov20Moderate
Dec20Moderate
Location & terrain

Where is Yeşilli?

Yeşilli sits at 37.3°N, 40.8°E, 790 m above sea level, in Turkey. The nearest listed city is Mardin, 7.0 km away.

Topography around Yeşilli

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

Within 3 km, the terrain around Yeşilli has significant variations in elevation — a maximum elevation change of 488 m around an average of 892 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 700 m; within 80 km, large variations in elevation — a maximum elevation change of 1,163 m.

The land around Yeşilli is covered by grassland (70%) within 3 km, grassland (74%) within 16 km, and cropland (60%) and grassland (37%) within 80 km.

3 km
488 m
16 km
700 m
80 km
1,163 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Mardin 7.0 km · Kızıltepe 27 km · ‘Āmūdā 28 km · Ad Darbāsīyah 33 km · Nusaybin 46 km · Midyat 47 km · Al Qāmishlī 49 km · Bismil 58 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 Yeşilli (37.3381°, 40.8174°, elevation 790 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).