Batumi weather in September

In September, Batumi sees average daytime highs of 24°C and overnight lows near 18°C, with 245 mm of rain across 15.4 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 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 37% of the time in September, and the air most often feels muggy.

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 Batumi's 1st-clearest and 11th-windiest month. For the whole year in context, see Batumi's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
18°
10th coldest
Rainfall
245 mm
15.4 wet days
Daylight
12 h 18 min
7:00 AM – 7:16 PM
Cloud cover
52%
1st clearest
Wind
6 km/h
11th windiest
Solar energy
4.13 kWh/m²
Travel score
6.2
out of 10

Batumi is second largest city of Georgia.

Density
2,881/km²
people per km²
Founded
~750 CE

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 25°C in the first days to 23°C by the end.

A typical September day in Batumi reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°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)
12519
22519
32519
42519
52519
62519
72519
82519
92419
102418
112418
122418
132418
142418
152418
162418
172418
182418
192418
202418
212317
222317
232317
242317
252317
262317
272317
282317
292317
302316

How September really feels in Batumi

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.

Batumi 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 / 16113.45.29.31.4
Feb / 13512.45.810.31.6
Mar12° / 14413.93.311.72.8
Apr16° / 9812.30.413.14.7
May20° / 13°10512.1014.36.0
Jun23° / 17°15214.10156.2
Jul25° / 20°20918.1014.75.5
Aug26° / 20°25020.8013.75.1
Sep24° / 18°24515.4012.36.2
Oct21° / 14°23613.2010.96.1
Nov15° / 18812.10.69.74.5
Dec11° / 16812.63.192.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
35149
45149
55248
65347
75446
85545
95644
105743
115842
125842
135941
146040
155941
165941
176040
186040
195941
205941
215842
225842
235842
245842
255743
265743
275743
285743
295842
305842

Chance of precipitation in September

Any precipitation

Batumi gets around 245 mm of rain over 15.4 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 51% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
159
259
358
457
557
656
755
854
954
1053
1152
1251
1351
1450
1549
1649
1749
1848
1948
2048
2148
2248
2348
2448
2548
2647
2747
2846
2946
3045

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141945293
2152044273
3152144263
4162244252
5172343232
6172543222
7182642212
8192742201
9192841191
102102941181
112113040171
122113040160
132123140150
142133139140
153143139140
163143139130
174153039120
184163038120
195172938110
206182937100
216192937100
22720293690
23820283580
24921293480
25922293370
261022293260
271123303160
281223303050
291224312940
301324322740

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:44 AM to 7:15 AM, and sunset from 7:43 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:447:43
212.96:457:41
312.96:467:39
412.86:477:37
512.86:487:36
612.76:497:34
712.76:507:32
812.76:517:30
912.66:527:29
1012.66:537:27
1112.56:547:25
1212.56:557:23
1312.46:567:21
1412.46:577:20
1512.36:587:18
1612.37:007:16
1712.27:017:14
1812.27:027:12
1912.17:037:11
2012.17:047:09
2112.07:057:07
2212.07:067:05
2311.97:077:03
2411.97:087:02
2511.87:097:00
2611.87:106:58
2711.77:116:56
2811.77:126:54
2911.77:146:53
3011.67:156:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.13 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 5.98 kWh/m² in June across the year — September's 4.13 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.5Bright
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
204.0Bright
214.0Moderate
223.9Moderate
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 Batumi?

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

6.2
Sightseeing
1st-best month of the year
5.1
Beach & pool
1st-best month of the year

September is a reasonable time to visit Batumi for sightseeing.

What to pack for Batumi in September

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

In September, Batumi sees daytime highs around 24°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Batumi in September

The nearest coast averages about 25°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 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
Sep25Warm
Oct21Refreshing
Nov17Cool
Dec13Bracing

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Batumi 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 Batumi is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1915 µg/m³Nov 108 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar15Moderate
Apr13Moderate
May11Good
Jun10Good
Jul9Good
Aug10Good
Sep8Good
Oct8Good
Nov8Good
Dec11Good
Location & terrain

Where is Batumi?

Batumi sits at 41.6°N, 41.6°E, 8 m above sea level, in Georgia. The nearest listed city is Kobuleti, 25 km away.

HopaArhaviArtvinPotiArdeşenSamtrediaÇayeli

Topography around Batumi

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

Within 3 km, the terrain around Batumi has only modest variations in elevation — a maximum elevation change of 247 m around an average of 14 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,467 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,370 m.

The land around Batumi is covered by water (39%), artificial surfaces (37%) and trees (21%) within 3 km, water (53%) and trees (43%) within 16 km, and trees (54%) and water (28%) within 80 km.

3 km
247 m
16 km
1,467 m
80 km
3,370 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Kobuleti 25 km · Hopa 33 km · Arhavi 42 km · Artvin 53 km · Poti 56 km · Ardeşen 74 km · Samtredia 82 km · Çayeli 98 km

Georgia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$9,692
2025
Happiness
5.5 / 10
World Happiness, 2025
Safe drinking water
71%
of population, 2024
Homicide rate
2
per 100k, 2019
Road deaths
12.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 541
Religion
Eastern Orthodox Christian 83%Muslim 11%Armenian Apostolic Christian 3%other 1%

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 Batumi (41.6408°, 41.6306°, elevation 8 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).