Zekeriya weather in September

In September, Zekeriya sees average daytime highs of 24°C and overnight lows near 19°C, with 50 mm of rain across 6.5 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 23°C by the end. The sky is clear or mostly clear about 57% 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 Zekeriya's 4th-clearest and 7th-windiest month. For the whole year in context, see Zekeriya's year-round climate.

Daytime high
24°
4th warmest
Overnight low
19°
10th coldest
Rainfall
50 mm
6.5 wet days
Daylight
12 h 18 min
5:50 AM – 6:06 PM
Cloud cover
37%
4th clearest
Wind
15 km/h
7th windiest
Solar energy
4.57 kWh/m²
Travel score
7.8
out of 10

Zekeriya is mahalle (administrative quarter) in Sarıyer, İstanbul–Europe, northwestern Turkey.

Density
1,945/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 26°C in the first days to 23°C by the end.

A typical September day in Zekeriya reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°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
22621
32621
42620
52620
62620
72520
82520
92520
102520
112520
122519
132519
142519
152419
162419
172419
182419
192419
202419
212418
222418
232318
242318
252318
262318
272318
282317
292317
302217

Zekeriya weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7211.82.19.41.6
Feb / 6110.82.110.31.8
Mar11° / 6610.40.711.72.7
Apr15° / 10°417.4013.14.9
May20° / 14°326.1014.37.1
Jun25° / 19°345.7014.98.0
Jul28° / 22°264.2014.77.9
Aug28° / 22°244.2013.67.7
Sep24° / 19°506.5012.37.8
Oct20° / 15°738.4010.96.5
Nov15° / 11°629.109.74.5
Dec11° / 8612.21.19.12.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% 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 24%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18614
28614
38614
48416
58416
68416
78317
88317
98317
108119
118119
128020
138020
147921
157723
167624
177525
187426
197327
207228
217030
227030
236931
246931
256832
266832
276832
286733
296733
306634

Chance of precipitation in September

Any precipitation

Zekeriya gets around 50 mm of rain over 6.5 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 21% and peaks near 25% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
118
218
318
419
519
619
718
818
918
1018
1118
1218
1318
1418
1519
1619
1720
1821
1921
2022
2123
2224
2324
2425
2525
2625
2725
2825
2925
3025

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
152030387
262130376
372231355
482332334
592432314
692533293
7102634283
8102635272
9102736252
10112737242
11112837231
12112838221
13112839211
14112939201
15122940191
16122940180
17123040170
18133040160
19143140150
20143140140
21153139140
22163239130
23173238120
24193337110
25203337100
26213336100
2722333690
2824333590
2925333480
3025333380

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light 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
212.95:366:31
312.95:376:29
412.85:386:27
512.85:396:26
612.75:406:24
712.75:416:22
812.65:426:20
912.65:436:19
1012.65:446:17
1112.55:456:15
1212.55:466:13
1312.45:476:12
1412.45:486:10
1512.35:496:08
1612.35:506:06
1712.25:516:05
1812.25:526:03
1912.15:536:01
2012.15:545:59
2112.05:555:57
2212.05:565:56
2311.95:575:54
2411.95:585:52
2511.85:595:50
2611.86:015:49
2711.86:025:47
2811.76:035:45
2911.76:045:43
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 4.57 kWh/m².

For context, solar energy here swings from a low near 1.45 kWh/m² to a high of 6.98 kWh/m² in June across the year — September's 4.57 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
254.1Bright
264.0Bright
274.0Moderate
283.9Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Zekeriya?

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

7.8
Sightseeing
3rd-best month of the year
6.7
Beach & pool
4th-best month of the year

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

What to pack for Zekeriya in September

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

In September, Zekeriya sees daytime highs around 24°C and nights near 19°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Zekeriya in September

The nearest coast averages about 23°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 21 km away) is warmest in August at about 25°C and coldest in February near 7°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°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May15Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec11Bracing

UV index in Zekeriya 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 Zekeriya peaks around June 23 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 highModerateLowJun 23UV 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 Zekeriya 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 Zekeriya is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1917 µg/m³Jul 189 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar17Moderate
Apr16Moderate
May13Moderate
Jun10Good
Jul9Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Zekeriya?

Zekeriya sits at 41.2°N, 29.0°E, 120 m above sea level, in Turkey. The nearest listed city is Tarabya, 7.0 km away.

Topography around Zekeriya

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

Within 3 km, the terrain around Zekeriya has only modest variations in elevation — a maximum elevation change of 229 m around an average of 138 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 346 m; within 80 km, large variations in elevation — a maximum elevation change of 950 m.

The land around Zekeriya is covered by trees (80%) within 3 km, trees (48%) and water (34%) within 16 km, and water (56%) and trees (27%) within 80 km.

3 km
229 m
16 km
346 m
80 km
950 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tarabya 7.0 km · İstinye 10 km · Çubuklu 11 km · Şişli 16 km · Sultangazi 17 km · Üsküdar 20 km · Eminönü 21 km · Fatih 21 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 Zekeriya (41.1981°, 29.0303°, elevation 120 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).