Starobilsk weather in September

In September, Starobilsk sees average daytime highs of 21°C and overnight lows near 10°C, with 43 mm of rain across 6.9 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 18°C by the end. The sky is clear or mostly clear about 38% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Starobilsk's 3rd-clearest and 8th-windiest month. For the whole year in context, see Starobilsk's year-round climate.

Daytime high
21°
5th warmest
Overnight low
10°
8th coldest
Rainfall
43 mm
6.9 wet days
Daylight
12 h 24 min
5:08 AM – 5:29 PM
Cloud cover
53%
3rd clearest
Wind
13 km/h
8th windiest
Solar energy
3.65 kWh/m²
Travel score
7.0
out of 10

Starobilsk is city in eastern Ukraine.

Density
1,197/km²
people per km²
Founded
1686

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 18°C by the end.

A typical September day in Starobilsk reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 27°C. Set against its neighbours, September runs about 6°C cooler than August and about 8°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12413
22412
32412
42412
52412
62312
72311
82311
92311
102211
112211
122210
132210
142110
152110
162110
172110
18209
19209
20209
21209
22209
23198
24198
25198
26198
27188
28188
29188
30187

How September really feels in Starobilsk

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.

Starobilsk weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -7°449.588.50.0
Feb-1° / -7°358.16.59.80.0
Mar / -2°389.24.711.50.5
Apr15° / 499.10.513.44.5
May22° / 10°519.5015.16.7
Jun26° / 15°599.7015.96.8
Jul28° / 17°558.6015.66.5
Aug27° / 15°336014.27.0
Sep21° / 10°436.9012.47.0
Oct13° / 417.70.710.53.9
Nov / -1°387.42.68.90.3
Dec-1° / -5°469.46.38.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 46%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25842
35743
45743
55842
65743
75743
85743
95644
105644
115743
125743
135743
145644
155545
165545
175446
185347
195446
205347
215248
225149
235050
244951
254951
264852
274852
284753
294753
304654

Chance of precipitation in September

Any precipitation

Starobilsk gets around 43 mm of rain over 6.9 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 23% and peaks near 24% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
124
224
324
424
524
624
723
823
923
1023
1123
1222
1322
1422
1522
1622
1722
1823
1923
2023
2123
2223
2324
2424
2524
2624
2724
2824
2924
3024

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
179174
279174
381163
481163
583152
683152
784142
885132
986131
1087121
1187121
1288111
1390100
149190
159190
169280
179280
189370
199370
209370
219460
229361
239361
249451
259451
269451
279451
289451
299451
309451

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 18 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 108 minutes over September. Sunrise moves from 4:46 AM to 5:29 AM, and sunset from 6:03 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.34:466:03
213.24:476:00
313.24:495:58
413.14:505:56
513.04:525:54
613.04:535:52
712.94:545:50
812.94:565:47
912.84:575:45
1012.74:595:43
1112.75:005:41
1212.65:025:38
1312.55:035:36
1412.55:055:34
1512.45:065:32
1612.45:085:29
1712.35:095:27
1812.25:115:25
1912.25:125:23
2012.15:145:20
2112.05:155:18
2212.05:175:16
2311.95:185:14
2411.95:205:12
2511.85:215:09
2611.75:235:07
2711.75:255:05
2811.65:265:03
2911.55:285:00
3011.55:294:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.65 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 6.08 kWh/m² in June across the year — September's 3.65 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.3Bright
34.3Bright
44.2Bright
54.2Bright
64.1Bright
74.1Bright
84.0Bright
94.0Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.5Moderate
193.5Moderate
203.4Moderate
213.4Moderate
223.3Moderate
233.3Moderate
243.2Moderate
253.2Moderate
263.1Moderate
273.0Moderate
283.0Moderate
292.9Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Starobilsk?

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

7.0
Sightseeing
1st-best month of the year
4.3
Beach & pool
5th-best month of the year

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

What to pack for Starobilsk in September

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

In September, Starobilsk sees daytime highs around 21°C and nights near 10°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Starobilsk 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 Starobilsk peaks around June 20 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJun 20UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar2Moderate
Apr5Moderate
May5Moderate
Jun8Very high
Jul7High
Aug5High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Starobilsk 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 Starobilsk is worst in March — around 15 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1714 µg/m³Dec 196 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar15Moderate
Apr10Good
May7Good
Jun9Good
Jul12Good
Aug9Good
Sep7Good
Oct7Good
Nov7Good
Dec6Good
Location & terrain

Where is Starobilsk?

Starobilsk sits at 49.3°N, 38.9°E, 59 m above sea level, in Ukraine. The nearest listed city is Siverskodonetsk, 48 km away.

HolubivkaSokolohirskKadiyivka

Topography around Starobilsk

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

Within 3 km, the terrain around Starobilsk has only modest variations in elevation — a maximum elevation change of 89 m around an average of 66 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 146 m; within 80 km, only modest variations in elevation — a maximum elevation change of 237 m.

The land around Starobilsk is covered by trees (37%), grassland (26%) and artificial surfaces (25%) within 3 km, cropland (66%) within 16 km, and cropland (61%) and grassland (21%) within 80 km.

3 km
89 m
16 km
146 m
80 km
237 m
treesgrasslandcroplandartificial surfaceswetland
September weather nearby: Siverskodonetsk 48 km · Rubizhne 49 km · Lysychansk 54 km · Svatove 56 km · Kreminna 56 km · Holubivka 74 km · Sokolohirsk 78 km · Kadiyivka 81 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 Starobilsk (49.2788°, 38.9075°, elevation 59 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. 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).