Hilvan weather in September

In September, Hilvan sees average daytime highs of 33°C and overnight lows near 19°C, with 7 mm of rain across 1.3 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 36°C in the first days to 30°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 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 Hilvan's 3rd-clearest and 10th-windiest month. For the whole year in context, see Hilvan's year-round climate.

Daytime high
33°
4th warmest
Overnight low
19°
9th coldest
Rainfall
7 mm
1.3 wet days
Daylight
12 h 12 min
5:11 AM – 5:26 PM
Cloud cover
11%
3rd clearest
Wind
8 km/h
10th windiest
Solar energy
5.9 kWh/m²
Travel score
4.5
out of 10

Hilvan is district of Şanlıurfa, southeastern Turkey.

Density
15/km²
people per km²
Founded
1926

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 Hilvan reaches about 33°C in the afternoon and slips back to 19°C overnight — a 15°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 7°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13621
23621
33621
43621
53621
63521
73520
83520
93520
103520
113420
123419
133419
143419
153419
163319
173318
183318
193318
203218
213217
223217
233217
243117
253117
263116
273116
283116
293016
303016

How September really feels in Hilvan

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.

Hilvan 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 / 9810.91.99.71.9
Feb11° / 8810.71.710.62.7
Mar16° / 7910.70.211.74.9
Apr21° / 699.6012.96.7
May27° / 14°447.10146.9
Jun34° / 20°61.6014.53.8
Jul38° / 24°10.3014.31.1
Aug38° / 24°10.3013.41.2
Sep33° / 19°71.3012.34.5
Oct26° / 13°516.50117.3
Nov17° / 647.50.3106.0
Dec11° / 8910.70.79.52.8

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 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 (%)
11000
21000
31000
4991
5991
6991
7991
8991
9991
10991
11991
12991
13973
14973
15973
16973
17973
18964
19964
20964
21964
22955
23955
24937
25937
26937
27928
28928
29928
30919

Chance of precipitation in September

Any precipitation

Hilvan gets around 7 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 4% and peaks near 9% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
123
133
143
153
164
174
184
195
205
216
226
237
247
257
268
278
288
299
309

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1851221
2851221
3861220
4861220
5851320
6861310
7861310
8861310
9861310
10861310
11861310
12861310
13871300
14881200
15881200
16891100
17891100
18901000
19901000
2091900
2192800
2292800
2393700
2493700
2594600
2694600
2794600
2895500
2995500
3095500

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
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 4:58 AM to 5:24 AM, and sunset from 5:49 PM to 5:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.84:585:49
212.84:595:48
312.85:005:46
412.75:015:45
512.75:025:43
612.65:035:42
712.65:045:40
812.65:045:38
912.55:055:37
1012.55:065:35
1112.45:075:34
1212.45:085:32
1312.45:095:30
1412.35:105:29
1512.35:115:27
1612.25:115:26
1712.25:125:24
1812.25:135:22
1912.15:145:21
2012.15:155:19
2112.05:165:18
2212.05:175:16
2311.95:175:14
2411.95:185:13
2511.95:195:11
2611.85:205:10
2711.85:215:08
2811.75:225:06
2911.75:235:05
3011.75:245:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.9 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 7.96 kWh/m² in June across the year — September's 5.9 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.5Intense
46.5Intense
56.5Intense
66.4Intense
76.3Intense
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
245.5Bright
255.4Bright
265.3Bright
275.3Bright
285.2Bright
295.2Bright
305.1Bright
Planning a trip in September

Hazard calendar for Hilvan

In seasonPeak

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

Hilvan's rainy season runs October–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 Hilvan?

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

4.5
Sightseeing
6th-best month of the year
7.8
Beach & pool
1st-best month of the year

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

What to pack for Hilvan in September

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

In September, Hilvan sees daytime highs around 33°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Hilvan 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 Hilvan peaks around June 21 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 21UV 10Jan 11UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Hilvan 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 Hilvan 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 Hilvan?

Hilvan sits at 37.6°N, 39.0°E, 590 m above sea level, in Turkey. The nearest listed city is Kahta, 37 km away.

Topography around Hilvan

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

Within 3 km, the terrain around Hilvan has only modest variations in elevation — a maximum elevation change of 51 m around an average of 597 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 302 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,211 m.

The land around Hilvan is covered by cropland (83%) within 3 km, cropland (72%) within 16 km, and cropland (47%) and grassland (44%) within 80 km.

3 km
51 m
16 km
302 m
80 km
2,211 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kahta 37 km · Siverek 37 km · Bozova 45 km · Urfa 49 km · Adıyaman 63 km · Altınşehir 66 km · Çermik 75 km · Viranşehir 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 Hilvan (37.5869°, 38.955°, elevation 590 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).