Samsun weather in September

In September, Samsun sees average daytime highs of 23°C and overnight lows near 15°C, with 65 mm of rain across 9.9 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 43% 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 Samsun's 4th-clearest and 8th-windiest month. For the whole year in context, see Samsun's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
65 mm
9.9 wet days
Daylight
12 h 18 min
5:21 AM – 5:37 PM
Cloud cover
45%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
4.22 kWh/m²
Travel score
7.0
out of 10

Samsun is city in northern Turkey.

Air quality
Moderate
PM2.5 13.9 µg/m³ · 2019

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 24°C in the first days to 21°C by the end.

A typical September day in Samsun reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12417
22417
32416
42416
52416
62416
72316
82316
92316
102316
112315
122315
132315
142315
152315
162315
172215
182215
192215
202215
212214
222214
232214
242214
252214
262114
272114
282114
292113
302113

How September really feels in Samsun

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.

Samsun weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8213.27.19.41.0
Feb / 73126.510.31.3
Mar11° / 9214.65.311.72.3
Apr14° / 7913.10.813.14.0
May19° / 11°7912.7014.35.7
Jun23° / 15°6010014.97.0
Jul25° / 18°367.2014.77.8
Aug26° / 18°357.3013.77.7
Sep23° / 15°659.9012.37.0
Oct19° / 11°8911.60.110.95.8
Nov14° / 819.81.69.74.0
Dec / 9212.14.49.11.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27426
37327
47327
57228
67228
77228
87129
97129
107129
117129
127030
137030
146931
156832
166733
176634
186535
196535
206535
216436
226337
236238
246238
256139
266139
276040
286040
295941
305842

Chance of precipitation in September

Any precipitation

Samsun gets around 65 mm of rain over 9.9 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 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
233
333
433
533
633
733
833
932
1032
1131
1231
1331
1431
1531
1631
1731
1831
1931
2031
2132
2232
2333
2434
2534
2635
2735
2835
2934
3034

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 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
172845191
282946170
392945160
4112946140
5123046130
6133045110
7143145100
815314590
916324480
1017324470
1118334360
1218334260
1319344150
1420354050
1521353950
1621363850
1722373750
1823373640
1924383540
2025383340
2126383240
2227393040
2328392940
2430392830
2531392630
2632402530
2734402430
2835402320
2936402220
3038402120

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 5:05 AM to 5:36 AM, and sunset from 6:03 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:056:03
212.95:066:02
312.95:076:00
412.85:085:58
512.85:095:57
612.75:105:55
712.75:125:53
812.65:135:51
912.65:145:50
1012.65:155:48
1112.55:165:46
1212.55:175:44
1312.45:185:42
1412.45:195:41
1512.35:205:39
1612.35:215:37
1712.25:225:35
1812.25:235:34
1912.15:245:32
2012.15:255:30
2112.05:265:28
2212.05:275:26
2311.95:285:25
2411.95:295:23
2511.85:305:21
2611.85:315:19
2711.85:325:18
2811.75:335:16
2911.75:355:14
3011.65:365:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.22 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 6.36 kWh/m² in June across the year — September's 4.22 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.0Bright
214.0Moderate
224.0Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
Planning a trip in September

Is September a good time to visit Samsun?

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

7.0
Sightseeing
3rd-best month of the year
5.2
Beach & pool
3rd-best month of the year

September is one of the better times to visit Samsun for general sightseeing.

What to pack for Samsun in September

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

In September, Samsun sees daytime highs around 23°C and nights near 15°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

Sea temperature near Samsun 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 offshore is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 13 to Oct 11 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar8Bracing
Apr10Bracing
May15Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov16Cool
Dec12Bracing

UV index in Samsun 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 Samsun peaks around June 23 at about 8 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJun 23UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May7High
Jun8Very high
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Samsun 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 Samsun is worst in March — around 19 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (September, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Samsun's WHO annual average of 13.9 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateMar 2019 µg/m³Sep 1111 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar19Moderate
Apr18Moderate
May16Moderate
Jun13Moderate
Jul11Good
Aug11Good
Sep11Good
Oct13Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Samsun?

Samsun sits at 41.3°N, 36.3°E, 64 m above sea level, in Turkey. The nearest listed city is Tekkeköy, 13 km away.

Topography around Samsun

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

Within 3 km, the terrain around Samsun has only modest variations in elevation — a maximum elevation change of 195 m around an average of 48 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 855 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,045 m.

The land around Samsun is covered by artificial surfaces (57%) and water (23%) within 3 km, water (40%) and trees (25%) within 16 km, and trees (39%) and water (30%) within 80 km.

3 km
195 m
16 km
855 m
80 km
2,045 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Tekkeköy 13 km · Çarşamba 33 km · Bafra 48 km · Terme 54 km · Taşova 58 km · Havza 66 km · Erbaa 71 km · Vezirköprü 75 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 Samsun (41.2798°, 36.3361°, elevation 64 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).