Siverek weather in September

In September, Siverek sees average daytime highs of 33°C and overnight lows near 18°C, with 6 mm of rain across 0.8 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 35°C in the first days to 30°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 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 Siverek's 3rd-clearest and 4th-windiest month. For the whole year in context, see Siverek's year-round climate.

Daytime high
33°
4th warmest
Overnight low
18°
9th coldest
Rainfall
6 mm
0.8 wet days
Daylight
12 h 12 min
5:10 AM – 5:24 PM
Cloud cover
11%
3rd clearest
Wind
8 km/h
4th windiest
Solar energy
5.87 kWh/m²
Travel score
5.1
out of 10

Siverek is district and town in Şanlıurfa Province, Türkiye.

Density
45/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 35°C in the first days to 30°C by the end.

A typical September day in Siverek reaches about 33°C in the afternoon and slips back to 18°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 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
23520
33520
43520
53520
63520
73419
83419
93419
103419
113419
123318
133318
143318
153318
163318
173218
183217
193217
203217
213117
223117
233116
243116
253016
263016
273015
283015
292915
302915

How September really feels in Siverek

Once humidity and wind are folded in, September averages 18 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
18
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.

Siverek 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 daysSnow daysDaylight (hours)Travel score
Jan / -1°10110.73.39.71.4
Feb10° / 8710.42.810.52.1
Mar15° / 8310.70.511.74.4
Apr20° / 739.3012.96.5
May26° / 13°436.30147.4
Jun33° / 19°51.5014.64.5
Jul38° / 23°10.3014.31.7
Aug38° / 23°10.2013.51.7
Sep33° / 18°60.8012.35.1
Oct25° / 12°445.70117.7
Nov16° / 6670.3105.7
Dec10° / 9010.11.39.42.3

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 (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14982
15973
16973
17973
18973
19964
20964
21964
22955
23955
24946
25937
26937
27928
28928
29928
30919

Chance of precipitation in September

Any precipitation

Siverek gets around 6 mm of rain over 0.8 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 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
21
31
41
51
61
71
81
91
101
111
121
131
141
152
162
172
182
193
203
213
224
234
244
255
265
275
285
296
306

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19631
29631
39631
49631
59631
69631
79631
89730
99730
109730
119730
129730
139730
149730
159730
169730
179730
189730
199730
209730
219730
229730
239730
249730
259730
269820
279820
289820
299820
309820

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

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
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 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 4:57 AM to 5:22 AM, and sunset from 5:48 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.94:575:48
212.84:585:47
312.84:595:45
412.74:595:43
512.75:005:42
612.75:015:40
712.65:025:39
812.65:035:37
912.55:045:36
1012.55:055:34
1112.45:065:32
1212.45:065:31
1312.45:075:29
1412.35:085:27
1512.35:095:26
1612.25:105:24
1712.25:115:23
1812.25:125:21
1912.15:135:19
2012.15:135:18
2112.05:145:16
2212.05:155:15
2311.95:165:13
2411.95:175:11
2511.95:185:10
2611.85:195:08
2711.85:205:07
2811.75:215:05
2911.75:215:03
3011.75:225:02

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 2.03 kWh/m² to a high of 7.88 kWh/m² in June across the year — September's 5.87 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
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
255.4Bright
265.3Bright
275.3Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for Siverek

In seasonPeak

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

Siverek'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 Siverek?

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 Siverek for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Siverek in September

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

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

light clothessun protection

UV index in Siverek in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Siverek peaks around June 19 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 19UV 10Jan 11UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun10Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Siverek 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 Siverek is worst in March — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2025 µg/m³Jul 2117 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb22Moderate
Mar25Moderate
Apr24Moderate
May25Moderate
Jun22Moderate
Jul17Moderate
Aug18Moderate
Sep20Moderate
Oct22Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Siverek?

Siverek sits at 37.8°N, 39.3°E, 787 m above sea level, in Turkey. The nearest listed city is Hilvan, 37 km away.

Topography around Siverek

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

Within 3 km, the terrain around Siverek has only modest variations in elevation — a maximum elevation change of 151 m around an average of 780 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 535 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,028 m.

The land around Siverek is covered by cropland (41%), artificial surfaces (31%) and grassland (23%) within 3 km, cropland (67%) and grassland (30%) within 16 km, and grassland (49%) and cropland (43%) within 80 km.

3 km
151 m
16 km
535 m
80 km
2,028 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Hilvan 37 km · Çermik 44 km · Kahta 61 km · Ergani 69 km · Viranşehir 71 km · Urfa 80 km · Diyarbakır 81 km · Bozova 82 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 Siverek (37.755°, 39.3167°, elevation 787 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).