Silvan weather in September

In September, Silvan sees average daytime highs of 32°C and overnight lows near 16°C, with 6 mm of rain across 1 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 34°C in the first days to 29°C by the end. The sky is clear or mostly clear about 91% 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 Silvan's 3rd-clearest and 4th-windiest month. For the whole year in context, see Silvan's year-round climate.

Daytime high
32°
4th warmest
Overnight low
16°
9th coldest
Rainfall
6 mm
1 wet days
Daylight
12 h 12 min
5:03 AM – 5:18 PM
Cloud cover
11%
3rd clearest
Wind
7 km/h
4th windiest
Solar energy
5.91 kWh/m²
Travel score
5.7
out of 10

Silvan is town of Diyarbakır, 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 34°C in the first days to 29°C by the end.

A typical September day in Silvan reaches about 32°C in the afternoon and slips back to 16°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°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)
13519
23519
33419
43419
53418
63418
73418
83318
93318
103317
113317
123217
133217
143217
153216
163216
173116
183116
193116
203115
213015
223015
233015
243015
252914
262914
272914
282914
292814
302813

How September really feels in Silvan

Once humidity and wind are folded in, September averages 14 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
14
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.

Silvan 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 / -3°12511.16.19.70.4
Feb / -2°11511.25.510.51.2
Mar13° / 126131.811.73.4
Apr18° / 10812.60.1135.6
May25° / 12°578.80147.1
Jun32° / 17°72.1014.65.1
Jul37° / 22°10.3014.42.2
Aug37° / 21°10.2013.52.3
Sep32° / 16°61012.35.7
Oct24° / 11°474.90117.9
Nov15° / 817.40.69.95.0
Dec / -0°12110.82.99.41.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 91% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% 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
6991
7991
8991
9991
10982
11982
12982
13982
14982
15982
16973
17973
18973
19973
20973
21973
22964
23964
24955
25946
26946
27946
28937
29937
30928

Chance of precipitation in September

Any precipitation

Silvan gets around 6 mm of rain over 1 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 3% and peaks near 7% 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
81
91
101
111
122
132
142
153
163
173
184
194
205
215
225
236
246
256
267
277
287
297
307

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 100% 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
131000
141000
151000
161000
171000
181000
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991

Wind in September

Winds average 7 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
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
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 4:50 AM to 5:16 AM, and sunset from 5:42 PM to 4:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.94:505:42
212.84:515:40
312.84:515:39
412.74:525:37
512.74:535:35
612.74:545:34
712.64:555:32
812.64:565:31
912.54:575:29
1012.54:585:27
1112.54:595:26
1212.44:595:24
1312.45:005:22
1412.35:015:21
1512.35:025:19
1612.25:035:18
1712.25:045:16
1812.25:055:14
1912.15:065:13
2012.15:075:11
2112.05:075:09
2212.05:085:08
2311.95:095:06
2411.95:105:04
2511.95:115:03
2611.85:125:01
2711.85:135:00
2811.75:144:58
2911.75:154:56
3011.75:164:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.91 kWh/m².

For context, solar energy here swings from a low near 2.03 kWh/m² to a high of 7.95 kWh/m² in July across the year — September's 5.91 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
136.0Intense
146.0Bright
155.9Bright
165.9Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.6Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.1Bright
Planning a trip in September

Hazard calendar for Silvan

In seasonPeak

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

Silvan's rainy season runs November–April, 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 Silvan?

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

5.7
Sightseeing
3rd-best month of the year
8.5
Beach & pool
1st-best month of the year

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

What to pack for Silvan in September

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

In September, Silvan sees daytime highs around 32°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Silvan 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 Silvan peaks around June 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highHighModerateJun 16UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun10Extreme
Jul8Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1026 µg/m³Jul 2017 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb22Moderate
Mar26Moderate
Apr26Moderate
May26Moderate
Jun20Moderate
Jul16Moderate
Aug18Moderate
Sep20Moderate
Oct24Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Silvan?

Silvan sits at 38.1°N, 41.0°E, 810 m above sea level, in Turkey. The nearest listed city is Batman, 30 km away.

Topography around Silvan

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

Within 3 km, the terrain around Silvan has significant variations in elevation — a maximum elevation change of 456 m around an average of 874 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 954 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,499 m.

The land around Silvan is covered by cropland (45%) and grassland (37%) within 3 km, cropland (57%) and grassland (34%) within 16 km, and grassland (55%) and cropland (36%) within 80 km.

3 km
456 m
16 km
954 m
80 km
2,499 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Batman 30 km · Kulp 40 km · Kozluk 41 km · Bismil 45 km · Lice 48 km · Kurtalan 64 km · Diyarbakır 74 km · Muş 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 Silvan (38.1371°, 41.0082°, elevation 810 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).