Tirebolu weather in September

In September, Tirebolu sees average daytime highs of 22°C and overnight lows near 18°C, with 185 mm of rain across 14.7 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 21°C by the end. The sky is clear or mostly clear about 31% 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 Tirebolu's 4th-clearest and 10th-windiest month. For the whole year in context, see Tirebolu's year-round climate.

Daytime high
22°
3rd warmest
Overnight low
18°
10th coldest
Rainfall
185 mm
14.7 wet days
Daylight
12 h 18 min
5:11 AM – 5:27 PM
Cloud cover
56%
4th clearest
Wind
8 km/h
10th windiest
Solar energy
4.12 kWh/m²
Travel score
6.0
out of 10

Tirebolu is district and town in Giresun Province, 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 23°C in the first days to 21°C by the end.

A typical September day in Tirebolu reaches about 22°C in the afternoon and slips back to 18°C overnight — a 5°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 2°C cooler than August and about 3°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12419
22419
32419
42319
52319
62319
72318
82318
92318
102318
112318
122318
132318
142218
152218
162218
172217
182217
192217
202217
212217
222217
232217
242217
252117
262116
272116
282116
292116
302116

Tirebolu weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13715.47.39.41.4
Feb / 10113.66.510.41.4
Mar11° / 12115.7511.72.2
Apr14° / 104140.713.13.8
May18° / 13°10814014.35.4
Jun22° / 17°10312.9014.96.3
Jul24° / 20°9213.5014.66.5
Aug25° / 20°10714.7013.66.3
Sep22° / 18°18514.7012.36.0
Oct19° / 14°21315.8010.95.4
Nov15° / 10°15412.71.39.74.1
Dec11° / 13514.43.79.12.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35446
45347
55347
65347
75248
85248
95248
105248
115248
125149
135149
145050
155050
165149
175050
185050
195149
205050
215050
225050
234951
245050
255050
265050
275149
285149
295248
305248

Chance of precipitation in September

Any precipitation

Tirebolu gets around 185 mm of rain over 14.7 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 49% and peaks near 51% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
151
251
351
451
551
651
751
850
950
1049
1149
1248
1348
1448
1548
1648
1747
1847
1947
2047
2147
2248
2348
2448
2548
2649
2748
2848
2948
3048

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1210354410
221135439
331236418
431337407
531437387
631538376
741639366
841739345
941940334
1041940324
1142041313
1252141303
1352241293
1452241292
1562341282
1662341282
1772440272
1882440271
1982539261
2092638261
21102638251
22112737241
23122736231
24132836221
25152836210
26162935200
27172935180
28183035170
29193035160
30203035140

Wind in September

Winds average 8 km/h in September.

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

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 4:56 AM to 5:26 AM, and sunset from 5:53 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.04:565:53
212.94:575:52
312.94:585:50
412.84:595:48
512.85:005:46
612.75:015:45
712.75:025:43
812.65:035:41
912.65:045:39
1012.55:055:38
1112.55:065:36
1212.55:075:34
1312.45:085:32
1412.45:095:31
1512.35:105:29
1612.35:115:27
1712.25:125:25
1812.25:135:24
1912.15:145:22
2012.15:155:20
2112.05:165:18
2212.05:175:16
2311.95:185:15
2411.95:195:13
2511.85:205:11
2611.85:215:09
2711.85:225:08
2811.75:235:06
2911.75:255:04
3011.65:265:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.12 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 6.21 kWh/m² in June across the year — September's 4.12 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.1Bright
194.0Bright
204.0Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.6Moderate
Planning a trip in September

Is September a good time to visit Tirebolu?

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

6.0
Sightseeing
4th-best month of the year
4.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Tirebolu for sightseeing.

What to pack for Tirebolu in September

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

In September, Tirebolu sees daytime highs around 22°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Tirebolu in September

The nearest coast averages about 24°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 14 km away) is warmest in August at about 25°C and coldest in February near 9°C.

It's comfortable for a long swim from Jun 10 to Oct 16 — about 4.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep24Refreshing
Oct20Refreshing
Nov16Cool
Dec13Bracing

UV index in Tirebolu 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 Tirebolu peaks around June 21 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May7High
Jun8Very high
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Tirebolu?

Tirebolu sits at 41.0°N, 38.8°E, 29 m above sea level, in Turkey. The nearest listed city is Espiye, 11 km away.

Topography around Tirebolu

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

Within 3 km, the terrain around Tirebolu has significant variations in elevation — a maximum elevation change of 503 m around an average of 74 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 754 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,289 m.

The land around Tirebolu is covered by water (58%) and trees (36%) within 3 km, water (54%) and trees (44%) within 16 km, and trees (42%), water (36%) and grassland (21%) within 80 km.

3 km
503 m
16 km
754 m
80 km
3,289 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Espiye 11 km · Görele 16 km · Beşikdüzü 36 km · Giresun 37 km · Vakfıkebir 39 km · Bulancak 49 km · Akçaabat 64 km · Trabzon 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 Tirebolu (41.0069°, 38.8139°, elevation 29 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).