İnegol weather in September

In September, İnegol sees average daytime highs of 24°C and overnight lows near 12°C, with 55 mm of rain across 7.7 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 22°C by the end. The sky is clear or mostly clear about 59% of the time in September, and the air most often feels dry.

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 İnegol's 3rd-clearest and 9th-windiest month. For the whole year in context, see İnegol's year-round climate.

Daytime high
24°
4th warmest
Overnight low
12°
9th coldest
Rainfall
55 mm
7.7 wet days
Daylight
12 h 18 min
5:48 AM – 6:04 PM
Cloud cover
35%
3rd clearest
Wind
6 km/h
9th windiest
Solar energy
4.86 kWh/m²
Travel score
7.7
out of 10

İnegol is district and town in Bursa Province, Turkey.

Density
133/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 22°C by the end.

A typical September day in İnegol reaches about 24°C in the afternoon and slips back to 12°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12614
22614
32614
42513
52513
62513
72513
82513
92513
102512
112512
122412
132412
142412
152412
162412
172412
182412
192312
202311
212311
222311
232311
242311
252311
262211
272210
282210
292210
302210

How September really feels in İnegol

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.

İnegol 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 / -2°8012.189.50.3
Feb / -1°7711.66.610.41.0
Mar11° / 8712.94.611.72.6
Apr16° / 8812.61134.6
May20° / 9513.1014.26.1
Jun24° / 13°8511.4014.87.0
Jul27° / 15°366.3014.67.8
Aug27° / 16°356.1013.67.7
Sep24° / 12°557.7012.37.7
Oct19° / 719.4010.96.3
Nov13° / 638.61.89.83.8
Dec / -1°84125.49.21.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% 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 23%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18614
28614
38515
48416
58416
68416
78317
88317
98317
108218
118119
128119
138020
147822
157822
167723
177624
187525
197525
207327
217327
227228
237129
247030
257030
266931
276931
286931
296931
306733

Chance of precipitation in September

Any precipitation

İnegol gets around 55 mm of rain over 7.7 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 25% and peaks near 28% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
123
223
324
424
524
623
723
823
923
1023
1123
1223
1323
1424
1524
1625
1725
1825
1926
2026
2127
2227
2328
2428
2528
2628
2728
2828
2928
3028

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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1493614
2523513
3533512
4553411
5573310
658339
759329
860328
960328
1062317
1163316
1263316
1363316
1464315
1564315
1665305
1766304
1867294
1968284
2071263
2172253
2274233
2375223
2478202
2579192
2680182
2783161
2884151
2985141
3086131

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:34 AM to 6:02 AM, and sunset from 6:29 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:346:29
212.95:356:28
312.85:366:26
412.85:376:25
512.85:386:23
612.75:396:21
712.75:406:19
812.65:416:18
912.65:426:16
1012.55:436:14
1112.55:446:13
1212.45:456:11
1312.45:466:09
1412.45:476:08
1512.35:476:06
1612.35:486:04
1712.25:496:02
1812.25:506:01
1912.15:515:59
2012.15:525:57
2112.05:535:55
2212.05:545:54
2311.95:555:52
2411.95:565:50
2511.95:575:49
2611.85:585:47
2711.85:595:45
2811.76:005:43
2911.76:015:42
3011.66:025:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.86 kWh/m².

For context, solar energy here swings from a low near 1.75 kWh/m² to a high of 7.07 kWh/m² in July across the year — September's 4.86 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.7Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.2Bright
294.2Bright
304.1Bright
Planning a trip in September

Is September a good time to visit İnegol?

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

7.7
Sightseeing
2nd-best month of the year
6.3
Beach & pool
3rd-best month of the year

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

What to pack for İnegol in September

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

In September, İnegol sees daytime highs around 24°C and nights near 12°C. Worth packing: light clothes and sun protection. About 8 days see rain.

light clothessun protection

Sea temperature near İnegol 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 63 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 İnegol 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 İnegol peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep7Very high
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in İnegol 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 İnegol is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1318 µg/m³Dec 199 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar16Moderate
Apr17Moderate
May19Moderate
Jun15Moderate
Jul11Good
Aug12Good
Sep11Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is İnegol?

İnegol sits at 40.1°N, 29.5°E, 293 m above sea level, in Turkey. The nearest listed city is Akhisar, 6.0 km away.

Topography around İnegol

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

Within 3 km, the terrain around İnegol has only modest variations in elevation — a maximum elevation change of 55 m around an average of 290 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,900 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,526 m.

The land around İnegol is covered by artificial surfaces (48%) and cropland (39%) within 3 km, trees (46%) and cropland (34%) within 16 km, and trees (56%) within 80 km.

3 km
55 m
16 km
1,900 m
80 km
2,526 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Akhisar 6.0 km · Yenişehir 24 km · Kestel 29 km · Gürsu 31 km · Bilecik 40 km · Bursa 41 km · İznik 43 km · Bozüyük 48 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 İnegol (40.0781°, 29.5133°, elevation 293 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).