Pervomaysk weather in September

In September, Pervomaysk sees average daytime highs of 21°C and overnight lows near 11°C, with 48 mm of rain across 7.2 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 35% 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 Pervomaysk's 3rd-clearest and 8th-windiest month. For the whole year in context, see Pervomaysk's year-round climate.

Daytime high
21°
5th warmest
Overnight low
11°
9th coldest
Rainfall
48 mm
7.2 wet days
Daylight
12 h 18 min
5:41 AM – 6:01 PM
Cloud cover
55%
3rd clearest
Wind
11 km/h
8th windiest
Solar energy
3.62 kWh/m²
Travel score
7.0
out of 10

Pervomaysk is city in Mykolaiv Oblast, Ukraine.

Density
2,483/km²
people per km²
Founded
1676

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 19°C by the end.

A typical September day in Pervomaysk reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 28°C. Set against its neighbours, September runs about 6°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12513
22413
32413
42413
52413
62312
72312
82312
92312
102312
112212
122211
132211
142211
152211
162111
172111
182111
192110
202110
212010
222010
232010
242010
252010
26199
27199
28199
29199
30189

How September really feels in Pervomaysk

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.

Pervomaysk weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -5°347.15.58.60.0
Feb / -4°286.44.29.90.0
Mar / -0°378.62.911.61.2
Apr15° / 409.10.313.44.7
May22° / 10°5410.9014.96.5
Jun25° / 15°6710.6015.86.7
Jul28° / 17°549.2015.46.5
Aug27° / 16°416.8014.17.0
Sep21° / 11°487.2012.47.0
Oct14° / 396.40.110.64.5
Nov / 376.9290.9
Dec / -3°336.93.88.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
35842
45842
55842
65842
75842
85842
95743
105743
115842
125743
135743
145743
155644
165545
175545
185347
195347
205149
214951
224951
234654
244654
254654
264357
274357
284357
294258
304258

Chance of precipitation in September

Any precipitation

Pervomaysk gets around 48 mm of rain over 7.2 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 24% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
326
426
526
625
725
825
925
1025
1125
1225
1324
1424
1524
1624
1723
1823
1923
2023
2123
2223
2323
2423
2523
2623
2723
2822
2922
3022

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
175196
276195
376195
478184
579183
680173
781172
881172
981172
1082171
1183161
1283161
1383161
1484151
1584151
1685141
1785141
1885141
1986131
2086131
2186131
2287121
2387121
2487121
2587121
2687112
2787112
2887112
2987112
3088102

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:19 AM to 6:01 AM, and sunset from 6:33 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:196:33
213.25:216:31
313.15:226:29
413.15:246:27
513.05:256:25
612.95:266:23
712.95:286:21
812.85:296:18
912.85:316:16
1012.75:326:14
1112.65:346:12
1212.65:356:10
1312.55:366:08
1412.55:386:06
1512.45:396:03
1612.35:416:01
1712.35:425:59
1812.25:435:57
1912.25:455:55
2012.15:465:53
2112.05:485:50
2212.05:495:48
2311.95:515:46
2411.95:525:44
2511.85:535:42
2611.75:555:40
2711.75:565:38
2811.65:585:35
2911.65:595:33
3011.56:015:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.62 kWh/m².

For context, solar energy here swings from a low near 0.79 kWh/m² to a high of 6.01 kWh/m² in June across the year — September's 3.62 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.0Bright
84.0Bright
94.0Moderate
103.9Moderate
113.9Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.7Moderate
163.6Moderate
173.6Moderate
183.5Moderate
193.5Moderate
203.4Moderate
213.4Moderate
223.3Moderate
233.3Moderate
243.2Moderate
253.2Moderate
263.1Moderate
273.1Moderate
283.0Moderate
293.0Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Pervomaysk?

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
4.5
Beach & pool
4th-best month of the year

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

What to pack for Pervomaysk in September

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

In September, Pervomaysk sees daytime highs around 21°C and nights near 11°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Pervomaysk 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 Pervomaysk peaks around July 16 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 16UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May5Moderate
Jun7High
Jul8Very high
Aug7High
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Pervomaysk?

Pervomaysk sits at 48.0°N, 30.8°E, 76 m above sea level, in Ukraine. The nearest listed city is Pivdennoukrainsk, 34 km away.

UmanBaltaPodilskBahacheveShpola

Topography around Pervomaysk

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

Within 3 km, the terrain around Pervomaysk has only modest variations in elevation — a maximum elevation change of 95 m around an average of 101 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 159 m; within 80 km, significant variations in elevation — a maximum elevation change of 313 m.

The land around Pervomaysk is covered by artificial surfaces (38%) and trees (28%) within 3 km, cropland (74%) within 16 km, and cropland (81%) within 80 km.

3 km
95 m
16 km
159 m
80 km
313 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Pivdennoukrainsk 34 km · Novoukrayinka 59 km · Voznesensk 65 km · Uman 91 km · Balta 92 km · Podilsk 104 km · Bahacheve 109 km · Shpola 115 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 Pervomaysk (48.0448°, 30.8478°, elevation 76 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).