Nikolayevsk weather in September

In September, Nikolayevsk sees average daytime highs of 21°C and overnight lows near 11°C, with 35 mm of rain across 5.6 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 2nd-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 39% 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 Nikolayevsk's 4th-clearest and 9th-windiest month. For the whole year in context, see Nikolayevsk's year-round climate.

Daytime high
21°
5th warmest
Overnight low
11°
8th coldest
Rainfall
35 mm
5.6 wet days
Daylight
12 h 24 min
5:41 AM – 6:04 PM
Cloud cover
52%
4th clearest
Wind
13 km/h
9th windiest
Solar energy
3.67 kWh/m²
Travel score
7.2
out of 10

Nikolayevsk is town in Russia.

Founded
1747

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 Nikolayevsk reaches about 21°C in the afternoon and slips back to 11°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 28°C. Set against its neighbours, September runs about 7°C cooler than August and about 9°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12514
22514
32513
42413
52413
62413
72312
82312
92312
102312
112212
122211
132211
142211
152111
162110
172110
182110
192010
202010
21209
22209
23199
24199
25198
26188
27188
28188
29188
30177

How September really feels in Nikolayevsk

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.

Nikolayevsk weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -10°338.38.38.30.0
Feb-4° / -10°276.86.29.70.0
Mar / -4°316.9411.50.2
Apr14° / 326.50.713.54.5
May22° / 11°366.7015.17.2
Jun27° / 16°326.5016.17.0
Jul29° / 18°326015.75.9
Aug28° / 17°194.2014.36.9
Sep21° / 11°355.6012.47.2
Oct13° / 336.80.310.53.7
Nov / -2°276.22.88.80.1
Dec-3° / -8°327.86.67.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 (%)
16238
26139
36040
45941
55842
65842
75743
85644
95644
105545
115545
125545
135545
145545
155545
165446
175446
185446
195446
205446
215446
225248
235248
245149
255050
265050
274951
284951
294852
304753

Chance of precipitation in September

Any precipitation

Nikolayevsk gets around 35 mm of rain over 5.6 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 19% and peaks near 21% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
116
216
317
417
518
618
719
819
920
1020
1121
1221
1321
1421
1521
1621
1720
1820
1920
2020
2120
2219
2319
2419
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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
187121
288111
388111
489101
59091
69091
79181
89181
99271
109271
119460
129460
139460
149550
159550
169640
179640
189640
199640
209640
219640
229640
239640
249640
259640
269640
279640
289640
299640
309730

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 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
113light breeze
213light 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
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light 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 5:18 AM to 6:03 AM, and sunset from 6:37 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:186:37
213.35:206:35
313.25:216:33
413.15:236:31
513.15:246:29
613.05:266:26
712.95:286:24
812.95:296:22
912.85:316:20
1012.85:326:17
1112.75:346:15
1212.65:356:13
1312.65:376:10
1412.55:386:08
1512.45:406:06
1612.45:416:04
1712.35:436:01
1812.25:455:59
1912.25:465:57
2012.15:485:54
2112.05:495:52
2212.05:515:50
2311.95:525:47
2411.95:545:45
2511.85:555:43
2611.75:575:41
2711.75:595:38
2811.66:005:36
2911.56:025:34
3011.56:035:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.67 kWh/m².

For context, solar energy here swings from a low near 0.7 kWh/m² to a high of 6.24 kWh/m² in June across the year — September's 3.67 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.4Bright
34.3Bright
44.3Bright
54.2Bright
64.2Bright
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
203.5Moderate
213.4Moderate
223.4Moderate
233.3Moderate
243.3Moderate
253.2Moderate
263.1Moderate
273.1Moderate
283.0Moderate
293.0Moderate
302.9Moderate
Planning a trip in September

Is September a good time to visit Nikolayevsk?

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

7.2
Sightseeing
1st-best month of the year
4.5
Beach & pool
5th-best month of the year

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

What to pack for Nikolayevsk in September

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

In September, Nikolayevsk sees daytime highs around 21°C and nights near 11°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Nikolayevsk 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 Nikolayevsk peaks around July 15 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 18 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 15UV 7Dec 18UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul7Very high
Aug5High
Sep5Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Nikolayevsk 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 Nikolayevsk is worst in March — around 15 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1715 µg/m³Jun 146 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar15Moderate
Apr11Good
May8Good
Jun6Good
Jul8Good
Aug7Good
Sep7Good
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Nikolayevsk?

Nikolayevsk sits at 50.0°N, 45.5°E, 42 m above sea level, in Russia. The nearest listed city is Kamyshin, 8.0 km away.

Topography around Nikolayevsk

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

Within 3 km, the terrain around Nikolayevsk has only modest variations in elevation — a maximum elevation change of 33 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, significant variations in elevation — a maximum elevation change of 347 m.

The land around Nikolayevsk is covered by water (35%) and grassland (26%) within 3 km, grassland (40%) and cropland (28%) within 16 km, and grassland (55%) and cropland (35%) within 80 km.

3 km
33 m
16 km
186 m
80 km
347 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Kamyshin 8.0 km · Kotovo 56 km · Pallasovka 102 km · Krasnoarmeysk 112 km · Zhirnovsk 116 km · Dubovka 117 km · Frolovo 133 km · Volzhsky 147 km

Russia travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 32% of US
price level, 2025
GDP per capita
$17,547
2025
Happiness
5.8 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
6.8
per 100k, 2021
Road deaths
12
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 521
Religion
other Christian 2%

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 Nikolayevsk (50.0281°, 45.4612°, elevation 42 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).