Kestel weather in September

In September, Kestel sees average daytime highs of 25°C and overnight lows near 15°C, with 65 mm of rain across 7.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-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 60% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Kestel's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Kestel's year-round climate.

Daytime high
25°
4th warmest
Overnight low
15°
9th coldest
Rainfall
65 mm
7.6 wet days
Daylight
12 h 18 min
5:50 AM – 6:05 PM
Cloud cover
35%
3rd clearest
Wind
6 km/h
3rd windiest
Solar energy
4.67 kWh/m²
Travel score
7.7
out of 10

Kestel is settlement in Turkey.

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 Kestel reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 30°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12717
22716
32616
42616
52616
62616
72616
82616
92615
102515
112515
122515
132515
142515
152515
162515
172515
182415
192414
202414
212414
222414
232414
242314
252314
262314
272313
282313
292313
302313

How September really feels in Kestel

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Kestel weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9913.26.49.51.0
Feb / 9312.55.810.41.6
Mar12° / 10113.33.411.72.9
Apr17° / 9011.90.7135.0
May21° / 11°8211.5014.26.5
Jun25° / 15°7110.4014.87.1
Jul28° / 18°336.1014.67.5
Aug28° / 18°335.1013.67.2
Sep25° / 15°657.6012.37.7
Oct20° / 11°919.9010.96.4
Nov14° / 839.71.49.84.2
Dec / 10713.24.69.21.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% 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 (%)
18515
28515
38317
48317
58317
68218
78218
88218
98020
108020
117921
127921
137822
147822
157723
167525
177525
187426
197327
207228
217228
227030
237030
246931
256832
266733
276733
286733
296733
306634

Chance of precipitation in September

Any precipitation

Kestel gets around 65 mm of rain over 7.6 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 24% and peaks near 29% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
121
221
321
421
521
621
721
821
921
1021
1121
1222
1322
1422
1523
1624
1724
1825
1926
2026
2127
2228
2328
2429
2529
2629
2729
2829
2929
3029

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
12136358
22237347
32437336
42637316
52738305
62938295
73039274
83139264
93240253
103241243
113341233
123341232
133442222
143442222
153542212
163542212
173642201
183742201
193742191
203942181
214042171
224142161
234342151
244441141
254641131
264740121
274840111
285039101
295039101
30523891

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min 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 78 minutes over September. Sunrise moves from 5:35 AM to 6:04 AM, and sunset from 6:31 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:356:31
212.95:366:29
312.85:376:28
412.85:386:26
512.85:396:24
612.75:406:22
712.75:416:21
812.65:426:19
912.65:436:17
1012.55:446:16
1112.55:456:14
1212.45:466:12
1312.45:476:10
1412.45:486:09
1512.35:496:07
1612.35:506:05
1712.25:516:04
1812.25:526:02
1912.15:536:00
2012.15:545:58
2112.05:555:57
2212.05:565:55
2311.95:575:53
2411.95:585:51
2511.95:595:50
2611.86:005:48
2711.86:015:46
2811.76:025:45
2911.76:035:43
3011.66:045:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 6.92 kWh/m² in July across the year — September's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.2Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
124.9Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.6Bright
184.6Bright
194.5Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.1Bright
274.1Bright
284.0Bright
294.0Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Kestel?

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

7.7
Sightseeing
1st-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Kestel in September

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

In September, Kestel sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near Kestel 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 35 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 6 — about 3.9 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar9Bracing
Apr12Bracing
May16Cool
Jun21Refreshing
Jul23Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Kestel 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 Kestel peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateLowAug 10UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Kestel 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 Kestel is worst in March — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2317 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar18Moderate
Apr17Moderate
May17Moderate
Jun13Moderate
Jul11Good
Aug11Good
Sep10Good
Oct11Good
Nov12Good
Dec10Good
Location & terrain

Where is Kestel?

Kestel sits at 40.2°N, 29.2°E, 122 m above sea level, in Turkey. The nearest listed city is Gürsu, 3.0 km away.

Topography around Kestel

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

Within 3 km, the terrain around Kestel has significant variations in elevation — a maximum elevation change of 431 m around an average of 184 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,451 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,527 m.

The land around Kestel is covered by trees (46%) and artificial surfaces (34%) within 3 km, trees (62%) within 16 km, and trees (52%) within 80 km.

3 km
431 m
16 km
2,451 m
80 km
2,527 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Gürsu 3.0 km · Bursa 13 km · Akhisar 23 km · Nilüfer 25 km · Gemlik 26 km · İnegol 29 km · Görükle 32 km · Orhangazi 33 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 Kestel (40.1983°, 29.2124°, elevation 122 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).