Rize weather in September

In September, Rize sees average daytime highs of 21°C and overnight lows near 16°C, with 236 mm of rain across 18.1 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 23% 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 Rize's 4th-clearest and 8th-windiest month. For the whole year in context, see Rize's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
236 mm
18.1 wet days
Daylight
12 h 18 min
5:04 AM – 5:20 PM
Cloud cover
63%
4th clearest
Wind
7 km/h
8th windiest
Solar energy
3.88 kWh/m²
Travel score
5.2
out of 10

Rize is central district and city in Rize Province, Turkey.

Air quality
Moderate
PM10 32.3 µg/m³ · 2018

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 22°C in the first days to 19°C by the end.

A typical September day in Rize reaches about 21°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 24°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)
12217
22217
32217
42217
52217
62117
72117
82116
92116
102116
112116
122116
132116
142116
152116
162116
172116
182015
192015
202015
212015
222015
232015
242015
252015
262014
272014
281914
291914
301914

How September really feels in Rize

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.

Rize weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 13414.912.19.40.4
Feb / 10713.31110.40.5
Mar / 13316.210.611.71.3
Apr12° / 11516.94.613.12.7
May17° / 11°15219.30.214.34.2
Jun20° / 15°16919.2014.95.0
Jul22° / 18°16920.3014.65.1
Aug23° / 19°19322013.64.9
Sep21° / 16°23618.1012.35.2
Oct17° / 12°227170.810.94.7
Nov13° / 15712.75.39.73.2
Dec / 13213.49.19.11.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23664
33565
43664
53565
63664
73664
83565
93664
103763
113763
123664
133862
143862
153862
163961
173961
184060
194060
204159
214159
224258
234258
244258
254357
264456
274555
284555
294654
304654

Chance of precipitation in September

Any precipitation

Rize gets around 236 mm of rain over 18.1 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 60% and peaks near 66% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
166
266
366
466
565
665
764
864
963
1062
1161
1261
1360
1459
1559
1658
1758
1857
1957
2057
2157
2257
2357
2457
2557
2656
2756
2856
2955
3055

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 7% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
152349231
252449211
362649191
462749170
572948160
683048140
783247130
893346110
9103546100
1011364590
1112374470
1212384360
1313394250
1415394250
1516394140
1617394030
1719384030
1821383920
1923373820
2025373720
2127373510
2229373410
2331373210
2433373010
2535372810
2637372600
2738382300
2840382100
2942391900
3044401600

Wind in September

Winds average 7 km/h in September.

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

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
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 4:49 AM to 5:19 AM, and sunset from 5:46 PM to 4:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.04:495:46
212.94:505:45
312.94:515:43
412.84:525:41
512.84:535:40
612.74:545:38
712.74:555:36
812.64:565:34
912.64:575:33
1012.54:585:31
1112.54:595:29
1212.55:005:27
1312.45:015:26
1412.45:025:24
1512.35:035:22
1612.35:045:20
1712.25:055:19
1812.25:065:17
1912.15:075:15
2012.15:085:13
2112.05:095:11
2212.05:105:10
2311.95:115:08
2411.95:125:06
2511.85:145:04
2611.85:155:03
2711.85:165:01
2811.75:174:59
2911.75:184:57
3011.65:194:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.88 kWh/m².

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 5.68 kWh/m² in June across the year — September's 3.88 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Bright
124.0Moderate
134.0Moderate
143.9Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Rize?

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

5.2
Sightseeing
1st-best month of the year
3.0
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Rize for sightseeing.

What to pack for Rize in September

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

In September, Rize sees daytime highs around 21°C and nights near 16°C. Pack rain gear. About 18 days see rain.

rain gear

Sea temperature near Rize 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 26°C and coldest in February near 9°C.

It's comfortable for a long swim from Jun 5 to Oct 21 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr11Bracing
May17Cool
Jun22Refreshing
Jul25Warm
Aug26Warm
Sep24Warm
Oct21Refreshing
Nov17Cool
Dec13Bracing

UV index in Rize 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 Rize peaks around June 23 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 23UV 8Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar2Moderate
Apr6High
May7High
Jun8Very high
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Rize?

Rize sits at 41.0°N, 40.5°E, 63 m above sea level, in Turkey. The nearest listed city is Çayeli, 18 km away.

Topography around Rize

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

Within 3 km, the terrain around Rize has significant variations in elevation — a maximum elevation change of 532 m around an average of 118 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,496 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,871 m.

The land around Rize is covered by trees (62%) and water (25%) within 3 km, trees (56%) and water (42%) within 16 km, and trees (33%), grassland (32%) and water (31%) within 80 km.

3 km
532 m
16 km
1,496 m
80 km
3,871 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Çayeli 18 km · Of 24 km · Sürmene 35 km · Araklı 40 km · Ardeşen 43 km · Arsin 51 km · Yomra 56 km · Trabzon 67 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 Rize (41.0208°, 40.5219°, elevation 63 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).