Şile weather in September

In September, Şile sees average daytime highs of 25°C and overnight lows near 19°C, with 48 mm of rain across 6.4 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 Şile's 4th-clearest and 6th-windiest month. For the whole year in context, see Şile's year-round climate.

Daytime high
25°
4th warmest
Overnight low
19°
9th coldest
Rainfall
48 mm
6.4 wet days
Daylight
12 h 18 min
5:48 AM – 6:04 PM
Cloud cover
38%
4th clearest
Wind
15 km/h
6th windiest
Solar energy
4.49 kWh/m²
Travel score
7.8
out of 10

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 Şile reaches about 25°C in the afternoon and slips back to 19°C overnight — a 6°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)
12721
22721
32621
42621
52620
62620
72620
82620
92620
102620
112520
122520
132519
142519
152519
162519
172519
182519
192519
202419
212419
222418
232418
242418
252418
262418
272318
282318
292317
302317

Şile 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 / 7111.32.29.41.7
Feb10° / 5811.22.110.32.0
Mar12° / 6310.10.911.73.0
Apr16° / 10°407.30.113.15.3
May21° / 14°295.8014.37.4
Jun26° / 19°335.6014.97.9
Jul28° / 22°243.6014.77.6
Aug28° / 23°274.4013.67.3
Sep25° / 19°486.4012.37.8
Oct20° / 15°699010.96.5
Nov15° / 11°609.209.74.7
Dec11° / 8312.10.99.12.5

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 18% of September, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18614
28515
38416
48416
58317
68218
78218
88218
98020
108020
117921
127921
137822
147723
157624
167426
177426
187228
197228
207030
216931
226931
236832
246832
256733
266733
276634
286535
296535
306436

Chance of precipitation in September

Any precipitation

Şile gets around 48 mm of rain over 6.4 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 26% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
119
219
319
419
519
619
719
818
918
1018
1118
1218
1318
1418
1519
1619
1720
1820
1921
2022
2122
2223
2324
2425
2525
2626
2726
2826
2926
3026

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 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
171930367
282031356
392131336
4102232315
5112332294
6122433284
7122534263
8132534253
9132635242
10142636232
11142736221
12142737211
13152837201
14152937191
15152937181
16153037171
17163037160
18163137160
19173137150
20173137140
21183236140
22193236130
23203235120
24213235110
25233234110
26243234100
2725323490
2826323380
2927323380
3028323370

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 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
915light breeze
1015light breeze
1115light 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
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light 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 5:32 AM to 6:02 AM, and sunset from 6:30 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:326:30
212.95:336:29
312.95:346:27
412.85:356:25
512.85:366:23
612.75:376:22
712.75:386:20
812.65:406:18
912.65:416:16
1012.65:426:15
1112.55:436:13
1212.55:446:11
1312.45:456:09
1412.45:466:08
1512.35:476:06
1612.35:486:04
1712.25:496:02
1812.25:506:00
1912.15:515:59
2012.15:525:57
2112.05:535:55
2212.05:545:53
2311.95:555:52
2411.95:565:50
2511.85:575:48
2611.85:585:46
2711.85:595:44
2811.76:005:43
2911.76:015:41
3011.66:025:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.49 kWh/m².

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 6.88 kWh/m² in June across the year — September's 4.49 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.5Bright
164.5Bright
174.4Bright
184.4Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.0Bright
254.0Moderate
263.9Moderate
273.9Moderate
283.8Moderate
293.8Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Şile?

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

7.8
Sightseeing
2nd-best month of the year
6.9
Beach & pool
4th-best month of the year

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

What to pack for Şile in September

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

In September, Şile sees daytime highs around 25°C and nights near 19°C. Worth packing: light clothes. About 6 days see rain.

light clothes

Sea temperature near Şile 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 22 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 10 to Oct 8 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec11Bracing

UV index in Şile 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 Şile peaks around July 17 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 17UV 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 Şile 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 Şile 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 Şile?

Şile sits at 41.2°N, 29.6°E, in Turkey. The nearest listed city is Sancaktepe, 37 km away.

Topography around Şile

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

Within 3 km, the terrain around Şile has only modest variations in elevation — a maximum elevation change of 102 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,604 m.

The land around Şile is covered by water (61%) within 3 km, water (53%) and trees (42%) within 16 km, and water (46%) and trees (34%) within 80 km.

3 km
102 m
16 km
296 m
80 km
1,604 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Sancaktepe 37 km · Sultanbeyli 37 km · Gebze 44 km · Umraniye 45 km · Çubuklu 45 km · Ataşehir 47 km · Maltepe 47 km · Kandıra 47 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 Şile (41.1789°, 29.6108°), 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).