Kostanay weather in September

In September, Kostanay sees average daytime highs of 18°C and overnight lows near 7°C, with 32 mm of precipitation across 6.3 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 15°C by the end. The sky is clear or mostly clear about 26% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Kostanay's 6th-clearest and 9th-windiest month. For the whole year in context, see Kostanay's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
32 mm
6.3 wet days
Daylight
12 h 24 min
7:27 AM – 7:52 PM
Cloud cover
61%
6th clearest
Wind
13 km/h
9th windiest
Solar energy
3.23 kWh/m²
Travel score
6.0
out of 10

Kostanay is city in Kazakhstan, administrative centre of the Kostanay Province.

Founded
1879

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 21°C in the first days to 15°C by the end.

A typical September day in Kostanay reaches about 18°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 25°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)
12211
22110
32110
42110
52110
62110
7209
8209
9209
10199
11199
12198
13198
14188
15188
16187
17177
18177
19177
20176
21166
22166
23166
24166
25155
26155
27155
28155
29144
30144

How September really feels in Kostanay

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.

Kostanay weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-11° / -18°175.16.17.90.0
Feb-10° / -17°174.95.69.40.0
Mar-2° / -10°245.84.811.50.0
Apr11° / 296.51.713.62.9
May20° / 458.60.215.66.5
Jun25° / 13°408016.67.2
Jul26° / 15°539016.26.9
Aug24° / 13°477.9014.67.2
Sep18° / 326.3012.46.0
Oct / 337.12.510.32.1
Nov-2° / -9°246.15.38.40.0
Dec-9° / -16°236.36.97.40.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35149
45248
55149
65149
74951
84951
94852
104753
114654
124555
134456
144357
154258
164258
174060
184060
193961
203961
213862
223862
233862
243862
253862
263763
273664
283763
293664
303763

Chance of precipitation in September

Any precipitationSnow

Kostanay gets around 32 mm of rain and snow over 6.3 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 21% and peaks near 22% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
1220
2220
3220
4210
5210
6210
7210
8210
9210
10210
11210
12210
13210
14210
15220
16220
17220
18220
19220
20220
21210
22210
23211
24201
25201
26201
27192
28192
29192
30192

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1955
2955
3964
4973
5973
6982
7982
8982
9991
10991
11991
12991
13991
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

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 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light 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
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 30 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over September. Sunrise moves from 7:01 AM to 7:53 AM, and sunset from 8:30 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.57:018:30
213.47:038:27
313.37:048:25
413.37:068:22
513.27:088:20
613.17:108:17
713.17:118:15
813.07:138:12
912.97:158:10
1012.87:178:07
1112.87:198:05
1212.77:208:02
1312.67:228:00
1412.67:247:57
1512.57:267:55
1612.47:277:52
1712.37:297:50
1812.37:317:47
1912.27:337:45
2012.17:357:42
2112.17:367:40
2212.07:387:37
2311.97:407:35
2411.87:427:32
2511.87:447:30
2611.77:457:27
2711.67:477:24
2811.67:497:22
2911.57:517:20
3011.47:537:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.23 kWh/m².

For context, solar energy here swings from a low near 0.67 kWh/m² to a high of 6.21 kWh/m² in June across the year — September's 3.23 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Moderate
33.9Moderate
43.9Moderate
53.8Moderate
63.8Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.5Moderate
292.5Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Kostanay?

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

6.0
Sightseeing
5th-best month of the year
2.1
Beach & pool
5th-best month of the year

September is a reasonable time to visit Kostanay for sightseeing.

What to pack for Kostanay in September

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

In September, Kostanay sees daytime highs around 18°C and nights near 7°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Kostanay in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kostanay peaks around June 20 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 at about 0 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 20UV 6Dec 21UV 0
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul6High
Aug5Moderate
Sep4Moderate
Oct2Low
Nov1Low
Dec0Low
Location & terrain

Where is Kostanay?

Kostanay sits at 53.2°N, 63.6°E, 167 m above sea level, in Kazakhstan. The nearest listed city is Rudnyy, 44 km away.

TroitskKurtamyshZhitikaraKartalyYuzhnoural’skPlast

Topography around Kostanay

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

Within 3 km, the terrain around Kostanay has only modest variations in elevation — a maximum elevation change of 54 m around an average of 157 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 97 m; within 80 km, large variations in elevation — a maximum elevation change of 616 m.

The land around Kostanay is covered by artificial surfaces (66%) within 3 km, grassland (43%) and cropland (39%) within 16 km, and cropland (58%) and grassland (33%) within 80 km.

3 km
54 m
16 km
97 m
80 km
616 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Rudnyy 44 km · Lisakovsk 106 km · Troitsk 167 km · Kurtamysh 196 km · Zhitikara 199 km · Kartaly 200 km · Yuzhnoural’sk 207 km · Plast 225 km

Kazakhstan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 33% of US
price level, 2025
GDP per capita
$14,692
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
92%
of population, 2024
Homicide rate
2.6
per 100k, 2022
Road deaths
12.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 417
Religion
Muslim 69%Christian 17%non-believers 2%Buddhism 0%

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 Kostanay (53.2144°, 63.6246°, elevation 167 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).