Susurluk weather in September

In September, Susurluk sees average daytime highs of 27°C and overnight lows near 16°C, with 33 mm of rain across 4.8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 69% 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 Susurluk's 4th-clearest and 7th-windiest month. For the whole year in context, see Susurluk's year-round climate.

Daytime high
27°
4th warmest
Overnight low
16°
9th coldest
Rainfall
33 mm
4.8 wet days
Daylight
12 h 18 min
5:54 AM – 6:09 PM
Cloud cover
29%
4th clearest
Wind
9 km/h
7th windiest
Solar energy
4.84 kWh/m²
Travel score
7.9
out of 10

Susurluk is district and town of Balıkesir, 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 28°C in the first days to 25°C by the end.

A typical September day in Susurluk reaches about 27°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°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°35°151015202530
Avg high (°C)Avg low (°C)
12918
22818
32818
42817
52817
62817
72817
82817
92717
102717
112716
122716
132716
142716
152716
162716
172616
182616
192615
202615
212615
222615
232615
242515
252515
262514
272514
282514
292514
302514

How September really feels in Susurluk

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.

Susurluk weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 77113.39.52.1
Feb11° / 709.92.610.42.6
Mar14° / 7010.41.111.74.0
Apr18° / 528.70.1136.1
May23° / 12°406.9014.27.5
Jun28° / 17°305.8014.87.3
Jul30° / 19°132.5014.56.6
Aug30° / 20°112.4013.66.5
Sep27° / 16°334.8012.37.9
Oct22° / 12°517.1010.97.3
Nov16° / 587.80.39.85.4
Dec11° / 8511.12.39.22.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% 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
3928
4919
5919
69010
79010
88911
98911
108911
118812
128812
138614
148515
158416
168416
178317
188218
198119
207921
217921
227822
237723
247723
257624
267525
277525
287525
297327
307327

Chance of precipitation in September

Any precipitation

Susurluk gets around 33 mm of rain over 4.8 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 15% and peaks near 19% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
110
211
311
412
512
612
713
813
913
1013
1113
1214
1314
1414
1515
1615
1716
1816
1917
2017
2117
2218
2318
2419
2519
2619
2719
2819
2919
3019

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
113303819
215313718
316323617
418333515
519333414
620343313
721353212
822363211
923363110
102337319
112437318
122437317
132538317
142538316
152638306
162639305
172739295
182839284
192940274
203040264
213240253
223340233
233540223
243740212
253839202
264039192
274239181
284338171
294537171
304637161

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:39 AM to 6:08 AM, and sunset from 6:35 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:396:35
212.95:406:33
312.85:416:31
412.85:426:30
512.75:436:28
612.75:446:26
712.75:456:25
812.65:466:23
912.65:476:21
1012.55:486:20
1112.55:496:18
1212.45:506:16
1312.45:516:15
1412.35:526:13
1512.35:536:11
1612.35:546:09
1712.25:556:08
1812.25:566:06
1912.15:576:04
2012.15:586:03
2112.05:596:01
2212.06:005:59
2311.96:015:57
2411.96:025:56
2511.96:035:54
2611.86:045:52
2711.86:055:51
2811.76:065:49
2911.76:075:47
3011.66:085:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.84 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 7.15 kWh/m² in July across the year — September's 4.84 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
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
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.6Bright
214.5Bright
224.5Bright
234.4Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.1Bright
294.1Bright
304.0Bright
Planning a trip in September

Is September a good time to visit Susurluk?

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

7.9
Sightseeing
1st-best month of the year
7.8
Beach & pool
4th-best month of the year

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

What to pack for Susurluk in September

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

In September, Susurluk sees daytime highs around 27°C and nights near 16°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Susurluk 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 51 km away) is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 8 to Oct 8 — about 4 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar9Bracing
Apr12Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Susurluk 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 Susurluk 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highModerateLowAug 10UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1118 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar17Moderate
Apr17Moderate
May18Moderate
Jun14Moderate
Jul11Good
Aug11Good
Sep11Good
Oct11Good
Nov12Good
Dec10Good
Location & terrain

Where is Susurluk?

Susurluk sits at 39.9°N, 28.2°E, 55 m above sea level, in Turkey. The nearest listed city is Mustafakemalpaşa, 25 km away.

Topography around Susurluk

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

Within 3 km, the terrain around Susurluk has only modest variations in elevation — a maximum elevation change of 225 m around an average of 84 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,291 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,753 m.

The land around Susurluk is covered by trees (40%) and cropland (29%) within 3 km, trees (54%) and cropland (29%) within 16 km, and trees (48%) and cropland (21%) within 80 km.

3 km
225 m
16 km
1,291 m
80 km
1,753 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Mustafakemalpaşa 25 km · Balıkesir 37 km · Karacabey 38 km · Gönen 48 km · Bandırma 51 km · Dursunbey 54 km · Bigadiç 58 km · Erdek 62 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 Susurluk (39.9136°, 28.1578°, elevation 55 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).