Chornomors’k weather in September

In September, Chornomors’k sees average daytime highs of 20°C and overnight lows near 17°C, with 38 mm of rain across 5.3 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Chornomors’k's 4th-clearest and 7th-windiest month. For the whole year in context, see Chornomors’k's year-round climate.

Daytime high
20°
4th warmest
Overnight low
17°
9th coldest
Rainfall
38 mm
5.3 wet days
Daylight
12 h 18 min
5:42 AM – 6:01 PM
Cloud cover
44%
4th clearest
Wind
19 km/h
7th windiest
Solar energy
4.1 kWh/m²
Travel score
7.3
out of 10

Chornomors’k is city in Odesa Oblast, Ukraine.

Density
2,319/km²
people per km²
Founded
1952

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 18°C by the end.

A typical September day in Chornomors’k reaches about 20°C in the afternoon and slips back to 17°C overnight — a 3°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 5°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12319
22319
32319
42219
52219
62219
72218
82218
92118
102118
112118
122118
132117
142117
152117
162017
172017
182017
192017
202016
212016
221916
231916
241916
251916
261915
271815
281815
291815
301815

How September really feels in Chornomors’k

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.

Chornomors’k weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°3873.68.80.0
Feb / 315.62.7100.0
Mar / 336.91.511.60.5
Apr11° / 285.80.113.33.0
May18° / 14°325.9014.76.3
Jun23° / 19°355.4015.57.8
Jul25° / 22°243.6015.28.3
Aug25° / 22°313.90148.3
Sep20° / 17°385.3012.37.3
Oct15° / 12°426010.74.9
Nov / 396.90.79.22.0
Dec / 366.82.18.50.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% 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
87228
97129
107129
117129
127129
137030
146931
156931
166832
176832
186733
196535
206535
216337
226238
236139
246040
255941
265842
275743
285743
295644
305644

Chance of precipitation in September

Any precipitation

Chornomors’k gets around 38 mm of rain over 5.3 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 18% and peaks near 19% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
118
218
318
418
518
617
717
817
917
1017
1117
1217
1317
1417
1517
1617
1717
1817
1918
2018
2118
2218
2318
2418
2519
2619
2719
2819
2919
3019

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272728161
2292728151
3312727141
4322727131
5342826121
6352826111
7362825100
837282590
938282590
1039282480
1140282480
1241282380
1342282370
1443282270
1544282170
1645282170
1746272060
1847272060
1948271960
2049261960
2150261860
2251251860
2352251850
2453241850
2554241750
2656231740
2756231740
2857221740
2957221740
3059211730

Wind in September

Winds average 19 km/h in September.

Across September, daily wind ranges from about 18 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2320light breeze
2420light breeze
2520light breeze
2620light breeze
2720light breeze
2820light breeze
2920breezy
3020breezy

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 12 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over September. Sunrise moves from 5:22 AM to 6:01 AM, and sunset from 6:32 PM to 5:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:226:32
213.15:246:30
313.05:256:28
413.05:266:26
512.95:286:24
612.95:296:22
712.85:306:20
812.85:326:18
912.75:336:16
1012.75:346:14
1112.65:356:12
1212.55:376:10
1312.55:386:08
1412.45:396:06
1512.45:416:03
1612.35:426:01
1712.35:435:59
1812.25:455:57
1912.25:465:55
2012.15:475:53
2112.05:495:51
2212.05:505:49
2311.95:515:47
2411.95:535:45
2511.85:545:43
2611.85:555:41
2711.75:575:39
2811.65:585:37
2911.65:595:35
3011.56:015:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.1 kWh/m².

For context, solar energy here swings from a low near 0.97 kWh/m² to a high of 6.6 kWh/m² in June across the year — September's 4.1 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.6Bright
74.5Bright
84.5Bright
94.5Bright
104.4Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.5Moderate
273.5Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Is September a good time to visit Chornomors’k?

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

7.3
Sightseeing
4th-best month of the year
4.1
Beach & pool
4th-best month of the year

September is one of the better times to visit Chornomors’k for general sightseeing.

What to pack for Chornomors’k in September

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

In September, Chornomors’k sees daytime highs around 20°C and nights near 17°C. Little to plan around — just the basics. About 5 days see rain.

Sea temperature near Chornomors’k in September

The nearest coast averages about 20°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 19 km away) is warmest in August at about 24°C and coldest in February near 4°C.

It's comfortable for a long swim from Jun 14 to Sep 17 — about 3.2 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan5Bracing
Feb4Bracing
Mar5Bracing
Apr9Bracing
May15Cool
Jun21Refreshing
Jul23Refreshing
Aug24Refreshing
Sep20Refreshing
Oct16Cool
Nov12Bracing
Dec8Bracing

UV index in Chornomors’k in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chornomors’k peaks around July 15 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 15UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr6High
May5High
Jun7Very high
Jul8Very high
Aug7Very high
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Chornomors’k?

Chornomors’k sits at 46.3°N, 30.7°E, 29 m above sea level, in Ukraine. The nearest listed city is Cheremushky, 15 km away.

RozdilnaSloboziaTiraspolCăuşeni

Topography around Chornomors’k

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

Within 3 km, the terrain around Chornomors’k has only modest variations in elevation — a maximum elevation change of 50 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 69 m; within 80 km, only modest variations in elevation — a maximum elevation change of 181 m.

The land around Chornomors’k is covered by water (42%) and artificial surfaces (27%) within 3 km, water (48%) and cropland (32%) within 16 km, and cropland (46%) and water (41%) within 80 km.

3 km
50 m
16 km
69 m
80 km
181 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Cheremushky 15 km · Odessa 22 km · Bilhorod-Dnistrovskyi 26 km · Pivdenne 50 km · Rozdilna 76 km · Slobozia 87 km · Tiraspol 99 km · Căuşeni 102 km

Ukraine travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$5,866
2025
Happiness
4.7 / 10
World Happiness, 2025
Safe drinking water
88%
of population, 2024
Homicide rate
3.8
per 100k, 2021
Road deaths
10.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 526

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 Chornomors’k (46.2991°, 30.6553°, 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).