Bahçelievler weather in September

In September, Bahçelievler sees average daytime highs of 24°C and overnight lows near 19°C, with 37 mm of rain across 5.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 64% of the time in September, and the air most often feels humid.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Bahçelievler's 4th-clearest and 8th-windiest month. For the whole year in context, see Bahçelievler's year-round climate.

Daytime high
24°
4th warmest
Overnight low
19°
10th coldest
Rainfall
37 mm
5.3 wet days
Daylight
12 h 18 min
5:51 AM – 6:07 PM
Cloud cover
33%
4th clearest
Wind
17 km/h
8th windiest
Solar energy
4.56 kWh/m²
Travel score
8.1
out of 10

Bahçelievler is district of İstanbul, northwestern Turkey.

Density
34,539/km²
people per km²
Founded
1992

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 25°C in the first days to 22°C by the end.

A typical September day in Bahçelievler reaches about 24°C in the afternoon and slips back to 19°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12621
22521
32521
42521
52521
62521
72520
82520
92520
102420
112420
122420
132420
142420
152420
162419
172419
182319
192319
202319
212319
222319
232319
242318
252218
262218
272218
282218
292218
302218

Bahçelievler weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7011.21.89.41.5
Feb / 6010.11.910.41.6
Mar10° / 639.50.611.72.5
Apr14° / 10°396.9013.14.5
May19° / 15°295.9014.36.9
Jun24° / 19°254.5014.98.3
Jul27° / 22°162.7014.68.5
Aug27° / 22°132.4013.68.4
Sep24° / 19°375.3012.38.1
Oct19° / 16°657.3010.96.6
Nov14° / 11°618.609.74.4
Dec10° / 841219.12.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1928
2928
3919
4919
5919
69010
78911
88911
98911
108812
118713
128614
138614
148515
158416
168416
178317
188119
198119
208020
217921
227822
237822
247723
257624
267525
277525
287426
297426
307327

Chance of precipitation in September

Any precipitation

Bahçelievler gets around 37 mm of rain over 5.3 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 17% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
213
313
413
514
614
714
814
914
1014
1114
1214
1314
1414
1514
1615
1716
1816
1917
2018
2119
2219
2320
2421
2521
2622
2722
2822
2922
3022

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
161929396
272030386
382130365
492231344
5102332324
6102432313
7112433292
8112534282
9112534272
10122635261
11122636251
12122736241
13132737231
14132737220
15132837210
16142838200
17142838200
18152838190
19162938180
20162937170
21172937160
22183037160
23193036150
24203036140
25213035130
26223135120
27233134110
28243134110
29253233100
30253233100

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 5:35 AM to 6:05 AM, and sunset from 6:33 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:356:33
212.95:376:31
312.95:386:30
412.85:396:28
512.85:406:26
612.75:416:25
712.75:426:23
812.65:436:21
912.65:446:19
1012.55:456:18
1112.55:466:16
1212.55:476:14
1312.45:486:12
1412.45:496:10
1512.35:506:09
1612.35:516:07
1712.25:526:05
1812.25:536:03
1912.15:546:02
2012.15:556:00
2112.05:565:58
2212.05:575:56
2311.95:585:55
2411.95:595:53
2511.86:005:51
2611.86:015:49
2711.86:025:48
2811.76:035:46
2911.76:045:44
3011.66:055:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.56 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.92 kWh/m² in July across the year — September's 4.56 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.4Bright
204.3Bright
214.3Bright
224.2Bright
234.2Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Bahçelievler?

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

8.1
Sightseeing
4th-best month of the year
6.6
Beach & pool
4th-best month of the year

September is one of the better times to visit Bahçelievler for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bahçelievler in September

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

In September, Bahçelievler sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Bahçelievler in September

The nearest coast averages about 22°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in August at about 24°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 11 to Oct 7 — about 3.9 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar9Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul23Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Bahçelievler in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bahçelievler peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 14UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Bahçelievler 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 Bahçelievler is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2015 µg/m³Jul 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar16Moderate
Apr15Moderate
May12Moderate
Jun10Good
Jul9Good
Aug10Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Bahçelievler?

Bahçelievler sits at 41.0°N, 28.9°E, 73 m above sea level, in Turkey. The nearest listed city is Güngören Merter, 2.0 km away.

Topography around Bahçelievler

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

Within 3 km, the terrain around Bahçelievler has only modest variations in elevation — a maximum elevation change of 98 m around an average of 40 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 243 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,294 m.

The land around Bahçelievler is covered by artificial surfaces (85%) within 3 km, water (44%) and artificial surfaces (37%) within 16 km, and water (56%) and trees (27%) within 80 km.

3 km
98 m
16 km
243 m
80 km
1,294 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Güngören Merter 2.0 km · Merter Keresteciler 2.0 km · Zeytinburnu 4.0 km · Bağcılar 4.0 km · Esenler 5.0 km · Fatih 7.0 km · Küçükçekmece 8.0 km · Istanbul 8.0 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 Bahçelievler (41.0023°, 28.8598°, elevation 73 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).