Bandırma weather in September

In September, Bandırma sees average daytime highs of 26°C and overnight lows near 18°C, with 40 mm of rain across 5.8 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 67% of the time in September, and the air most often feels humid.

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 Bandırma's 4th-clearest and 6th-windiest month. For the whole year in context, see Bandırma's year-round climate.

Daytime high
26°
4th warmest
Overnight low
18°
9th coldest
Rainfall
40 mm
5.8 wet days
Daylight
12 h 18 min
5:55 AM – 6:10 PM
Cloud cover
31%
4th clearest
Wind
12 km/h
6th windiest
Solar energy
4.72 kWh/m²
Travel score
7.8
out of 10

Bandırma 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 28°C in the first days to 25°C by the end.

A typical September day in Bandırma reaches about 26°C in the afternoon and slips back to 18°C overnight — a 9°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)
12820
22820
32819
42819
52819
62819
72719
82719
92719
102718
112718
122718
132718
142718
152618
162618
172618
182617
192617
202617
212617
222517
232517
242517
252516
262516
272516
282516
292416
302416

How September really feels in Bandırma

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.

Bandırma 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° / 8011.62.89.52.0
Feb11° / 7310.82.410.42.5
Mar14° / 7010.80.811.73.8
Apr18° / 508.40.1136.1
May23° / 14°427014.27.5
Jun28° / 18°366.3014.87.2
Jul30° / 21°193.4014.66.5
Aug30° / 21°163.4013.66.5
Sep26° / 18°405.8012.37.8
Oct21° / 14°658.1010.97.0
Nov16° / 668.20.19.85.1
Dec11° / 9412.51.59.22.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 67% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1928
2919
3919
4919
58911
68911
78911
88911
98812
108812
118614
128614
138515
148416
158218
168218
178119
187921
197921
207723
217624
227624
237525
247426
257327
267327
277327
287129
297129
307129

Chance of precipitation in September

Any precipitation

Bandırma gets around 40 mm of rain over 5.8 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 19% and peaks near 23% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
115
215
315
416
516
616
716
816
916
1016
1116
1216
1317
1417
1518
1618
1719
1819
1920
2020
2121
2221
2322
2422
2523
2623
2723
2823
2923
3022

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 14% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172238313
282337302
392537282
492637262
5102737242
6112937221
7113037211
8123137191
9123238171
10133238161
11133339151
12133339141
13143440120
14143440120
15153540110
16153539100
1716363990
1816363990
1917373880
2018373770
2119383670
2221383560
2322383460
2423393350
2524393150
2626393050
2727402940
2828402840
2929402740
3030412640

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:40 AM to 6:09 AM, and sunset from 6:36 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:406:36
212.95:416:34
312.85:426:33
412.85:436:31
512.85:446:29
612.75:456:28
712.75:466:26
812.65:476:24
912.65:486:22
1012.55:496:21
1112.55:506:19
1212.45:516:17
1312.45:526:16
1412.45:536:14
1512.35:546:12
1612.35:556:10
1712.25:566:09
1812.25:576:07
1912.15:586:05
2012.15:596:03
2112.06:006:02
2212.06:016:00
2311.96:025:58
2411.96:035:56
2511.96:045:55
2611.86:055:53
2711.86:065:51
2811.76:075:50
2911.76:085:48
3011.66:095:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.72 kWh/m².

For context, solar energy here swings from a low near 1.47 kWh/m² to a high of 7.07 kWh/m² in July across the year — September's 4.72 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.4Bright
45.4Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
134.9Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.6Bright
194.5Bright
204.5Bright
214.4Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.1Bright
274.0Bright
284.0Bright
294.0Moderate
303.9Moderate
Planning a trip in September

Is September a good time to visit Bandırma?

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

7.8
Sightseeing
1st-best month of the year
7.6
Beach & pool
4th-best month of the year

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

What to pack for Bandırma in September

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

In September, Bandırma sees daytime highs around 26°C and nights near 18°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near Bandırma 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 13 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 Bandırma in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bandırma 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 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJun 23UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Bandırma 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 Bandırma is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2416 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar16Moderate
Apr16Moderate
May14Moderate
Jun11Good
Jul10Good
Aug10Good
Sep10Good
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Bandırma?

Bandırma sits at 40.4°N, 28.0°E, 40 m above sea level, in Turkey. The nearest listed city is Erdek, 16 km away.

Topography around Bandırma

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

Within 3 km, the terrain around Bandırma has only modest variations in elevation — a maximum elevation change of 173 m around an average of 43 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 800 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,294 m.

The land around Bandırma is covered by artificial surfaces (33%), water (32%) and grassland (21%) within 3 km, cropland (31%), water (30%) and trees (22%) within 16 km, and water (43%) and trees (28%) within 80 km.

3 km
173 m
16 km
800 m
80 km
1,294 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Erdek 16 km · Karacabey 36 km · Gönen 39 km · Mustafakemalpaşa 51 km · Susurluk 51 km · Biga 64 km · Görükle 74 km · Mudanya 77 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 Bandırma (40.3522°, 27.9767°, elevation 40 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).