Semey weather in September

In September, Semey sees average daytime highs of 20°C and overnight lows near 7°C, with 20 mm of rain across 5.1 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 16°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 Semey's 2nd-clearest and 10th-windiest month. For the whole year in context, see Semey's year-round climate.

Daytime high: 20°; 5th warmest
Overnight low: 7°; 8th coldest
Rainfall: 20 mm; 5.1 wet days
Daylight: 12 h 24 min; 6:22 AM – 6:45 PM
Cloud cover: 50%; 2nd clearest
Wind: 11 km/h; 10th windiest
Solar energy: 3.87 kWh/m²
Travel score: 7.0; out of 10

Semey is city in Eastern Kazakhstan, capital of Abay Region.

Density: 1,394/km²; people per km²
Founded: 1718

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Semey year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 16°C by the end.

A typical September day in Semey reaches about 20°C in the afternoon and slips back to 7°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 27°C. Set against its neighbours, September runs about 7°C cooler than August and about 9°C warmer than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	24	23	23	23	23	22	22	22	22	21	21	21	21	20	20	20	19	19	19	19	18	18	18	17	17	17	17	16	16	16
Avg low (°C)	10	10	10	9	9	9	9	8	8	8	8	8	7	7	7	7	6	6	6	6	5	5	5	5	5	4	4	4	4	4

	Avg high (°C)	Avg low (°C)
1	24	10
2	23	10
3	23	10
4	23	9
5	23	9
6	22	9
7	22	9
8	22	8
9	22	8
10	21	8
11	21	8
12	21	8
13	21	7
14	20	7
15	20	7
16	20	7
17	19	6
18	19	6
19	19	6
20	19	6
21	18	5
22	18	5
23	18	5
24	17	5
25	17	5
26	17	4
27	17	4
28	16	4
29	16	4
30	16	4

How September really feels in Semey

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Semey weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-11° / -20°	16	5.2	6.3	8.3	0.0
Feb	-8° / -18°	17	4.7	5	9.7	0.0
Mar	0° / -10°	21	5.6	3.9	11.5	0.1
Apr	13° / 1°	23	5.4	1.1	13.5	4.3
May	21° / 8°	26	6.8	0.2	15.2	7.2
Jun	27° / 14°	29	6.7	0	16.1	7.1
Jul	28° / 16°	45	9.9	0	15.8	6.2
Aug	26° / 13°	24	5.8	0	14.3	7.5
Sep	20° / 7°	20	5.1	0	12.4	7.0
Oct	11° / 0°	24	6	1.4	10.5	3.1
Nov	-0° / -9°	28	7	5.2	8.8	0.0
Dec	-8° / -16°	22	6.8	7.9	7.9	0.0

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 17% of September, with mostly cloudy or overcast conditions the remaining 44%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	62	62	62	62	62	62	61	61	61	60	60	60	58	58	57	56	55	54	53	53	52	52	51	51	50	50	50	50	50	50
Cloudier (%)	38	38	38	38	38	38	39	39	39	40	40	40	42	42	43	44	45	46	47	47	48	48	49	49	50	50	50	50	50	50

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	58	42
14	58	42
15	57	43
16	56	44
17	55	45
18	54	46
19	53	47
20	53	47
21	52	48
22	52	48
23	51	49
24	51	49
25	50	50
26	50	50
27	50	50
28	50	50
29	50	50
30	50	50

Chance of precipitation in September

Any precipitation

Semey gets around 20 mm of rain over 5.1 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	19	19	19	19	19	19	19	18	18	18	18	17	17	17	17	17	17	17	17	17	16	16	16	17	17	17	17	17	17	17

	Rain chance (%)
1	19
2	19
3	19
4	19
5	19
6	19
7	19
8	18
9	18
10	18
11	18
12	17
13	17
14	17
15	17
16	17
17	17
18	17
19	17
20	17
21	16
22	16
23	16
24	17
25	17
26	17
27	17
28	17
29	17
30	17

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Comfortable (%)	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11	11
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	11	calm
5	11	calm
6	11	calm
7	11	calm
8	11	calm
9	11	calm
10	11	calm
11	11	calm
12	11	calm
13	11	calm
14	11	calm
15	11	calm
16	11	calm
17	11	calm
18	11	calm
19	11	calm
20	11	calm
21	11	calm
22	11	calm
23	11	calm
24	11	calm
25	11	calm
26	11	calm
27	11	calm
28	11	calm
29	11	calm
30	11	calm

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 5:59 AM to 6:44 AM, and sunset from 7:19 PM to 6:12 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	13.3	13.3	13.2	13.1	13.1	13.0	13.0	12.9	12.8	12.8	12.7	12.6	12.6	12.5	12.4	12.4	12.3	12.2	12.2	12.1	12.0	12.0	11.9	11.9	11.8	11.7	11.7	11.6	11.5	11.5
Sunrise (AM)	5:59	6:00	6:02	6:03	6:05	6:06	6:08	6:10	6:11	6:13	6:14	6:16	6:17	6:19	6:21	6:22	6:24	6:25	6:27	6:28	6:30	6:32	6:33	6:35	6:36	6:38	6:40	6:41	6:43	6:44
Sunset (PM)	7:19	7:17	7:14	7:12	7:10	7:08	7:05	7:03	7:01	6:58	6:56	6:54	6:51	6:49	6:47	6:45	6:42	6:40	6:38	6:35	6:33	6:31	6:28	6:26	6:24	6:21	6:19	6:17	6:15	6:12

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.3	5:59	7:19
2	13.3	6:00	7:17
3	13.2	6:02	7:14
4	13.1	6:03	7:12
5	13.1	6:05	7:10
6	13.0	6:06	7:08
7	13.0	6:08	7:05
8	12.9	6:10	7:03
9	12.8	6:11	7:01
10	12.8	6:13	6:58
11	12.7	6:14	6:56
12	12.6	6:16	6:54
13	12.6	6:17	6:51
14	12.5	6:19	6:49
15	12.4	6:21	6:47
16	12.4	6:22	6:45
17	12.3	6:24	6:42
18	12.2	6:25	6:40
19	12.2	6:27	6:38
20	12.1	6:28	6:35
21	12.0	6:30	6:33
22	12.0	6:32	6:31
23	11.9	6:33	6:28
24	11.9	6:35	6:26
25	11.8	6:36	6:24
26	11.7	6:38	6:21
27	11.7	6:40	6:19
28	11.6	6:41	6:17
29	11.5	6:43	6:15
30	11.5	6:44	6:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.87 kWh/m².

For context, solar energy here swings from a low near 0.95 kWh/m² to a high of 6.57 kWh/m² in June across the year — September's 3.87 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	4.6	4.6	4.5	4.5	4.5	4.4	4.3	4.3	4.3	4.2	4.1	4.1	4.0	4.0	3.9	3.9	3.8	3.7	3.7	3.6	3.6	3.5	3.4	3.4	3.3	3.3	3.2	3.1	3.1	3.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.6	Bright
2	4.6	Bright
3	4.5	Bright
4	4.5	Bright
5	4.5	Bright
6	4.4	Bright
7	4.3	Bright
8	4.3	Bright
9	4.3	Bright
10	4.2	Bright
11	4.1	Bright
12	4.1	Bright
13	4.0	Bright
14	4.0	Moderate
15	3.9	Moderate
16	3.9	Moderate
17	3.8	Moderate
18	3.7	Moderate
19	3.7	Moderate
20	3.6	Moderate
21	3.6	Moderate
22	3.5	Moderate
23	3.4	Moderate
24	3.4	Moderate
25	3.3	Moderate
26	3.3	Moderate
27	3.2	Moderate
28	3.1	Moderate
29	3.1	Moderate
30	3.0	Moderate

Planning a trip in September

Is September a good time to visit Semey?

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

7.0

Sightseeing

4th-best month of the year

3.6

Beach & pool

5th-best month of the year

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

What to pack for Semey in September

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

In September, Semey sees daytime highs around 20°C and nights near 7°C. Worth packing: a warm layer. About 5 days see rain.

a warm layer

UV index in Semey 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 Semey peaks around July 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	1	2	3	4	6	6	7	6	4	2	1	1
Level	Low	Low	Moderate	Moderate	High	High	High	High	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	1	Low
Feb	2	Low
Mar	3	Moderate
Apr	4	Moderate
May	6	High
Jun	6	High
Jul	7	High
Aug	6	High
Sep	4	Moderate
Oct	2	Low
Nov	1	Low
Dec	1	Low

Location & terrain

Where is Semey?

Semey sits at 50.4°N, 80.3°E, 195 m above sea level, in Kazakhstan. The nearest listed city is Gornyak, 107 km away.

Topography around Semey

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

Within 3 km, the terrain around Semey has only modest variations in elevation — a maximum elevation change of 42 m around an average of 202 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 117 m; within 80 km, large variations in elevation — a maximum elevation change of 640 m.

The land around Semey is covered by artificial surfaces (71%) within 3 km, grassland (64%) and trees (20%) within 16 km, and grassland (71%) within 80 km.

3 km

42 m

artificial surfaces 71%

16 km

117 m

grassland 64%

80 km

640 m

grassland 71%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland

← August Semey year-round climate October →Best places to visit in September

September weather nearby: Gornyak 107 km · Shemonaikha 120 km · Rubtsovsk 139 km · Kalbatau 154 km · Ust-Kamenogorsk 175 km · Ridder 232 km · Kulunda 255 km · Ayagoz 273 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

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 Semey (50.4206°, 80.2502°, elevation 195 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).

	Avg high (°C)	Avg low (°C)
1	24	10
2	23	10
3	23	10
4	23	9
5	23	9
6	22	9
7	22	9
8	22	8
9	22	8
10	21	8
11	21	8
12	21	8
13	21	7
14	20	7
15	20	7
16	20	7
17	19	6
18	19	6
19	19	6
20	19	6
21	18	5
22	18	5
23	18	5
24	17	5
25	17	5
26	17	4
27	17	4
28	16	4
29	16	4
30	16	4

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	58	42
14	58	42
15	57	43
16	56	44
17	55	45
18	54	46
19	53	47
20	53	47
21	52	48
22	52	48
23	51	49
24	51	49
25	50	50
26	50	50
27	50	50
28	50	50
29	50	50
30	50	50

	Rain chance (%)
1	19
2	19
3	19
4	19
5	19
6	19
7	19
8	18
9	18
10	18
11	18
12	17
13	17
14	17
15	17
16	17
17	17
18	17
19	17
20	17
21	16
22	16
23	16
24	17
25	17
26	17
27	17
28	17
29	17
30	17

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

	Avg high (°C)	Avg low (°C)
1	24	10
2	23	10
3	23	10
4	23	9
5	23	9
6	22	9
7	22	9
8	22	8
9	22	8
10	21	8
11	21	8
12	21	8
13	21	7
14	20	7
15	20	7
16	20	7
17	19	6
18	19	6
19	19	6
20	19	6
21	18	5
22	18	5
23	18	5
24	17	5
25	17	5
26	17	4
27	17	4
28	16	4
29	16	4
30	16	4

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	58	42
14	58	42
15	57	43
16	56	44
17	55	45
18	54	46
19	53	47
20	53	47
21	52	48
22	52	48
23	51	49
24	51	49
25	50	50
26	50	50
27	50	50
28	50	50
29	50	50
30	50	50

	Rain chance (%)
1	19
2	19
3	19
4	19
5	19
6	19
7	19
8	18
9	18
10	18
11	18
12	17
13	17
14	17
15	17
16	17
17	17
18	17
19	17
20	17
21	16
22	16
23	16
24	17
25	17
26	17
27	17
28	17
29	17
30	17

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

	Avg high (°C)	Avg low (°C)
1	24	10
2	23	10
3	23	10
4	23	9
5	23	9
6	22	9
7	22	9
8	22	8
9	22	8
10	21	8
11	21	8
12	21	8
13	21	7
14	20	7
15	20	7
16	20	7
17	19	6
18	19	6
19	19	6
20	19	6
21	18	5
22	18	5
23	18	5
24	17	5
25	17	5
26	17	4
27	17	4
28	16	4
29	16	4
30	16	4

	Clearer (%)	Cloudier (%)
1	62	38
2	62	38
3	62	38
4	62	38
5	62	38
6	62	38
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	58	42
14	58	42
15	57	43
16	56	44
17	55	45
18	54	46
19	53	47
20	53	47
21	52	48
22	52	48
23	51	49
24	51	49
25	50	50
26	50	50
27	50	50
28	50	50
29	50	50
30	50	50

	Rain chance (%)
1	19
2	19
3	19
4	19
5	19
6	19
7	19
8	18
9	18
10	18
11	18
12	17
13	17
14	17
15	17
16	17
17	17
18	17
19	17
20	17
21	16
22	16
23	16
24	17
25	17
26	17
27	17
28	17
29	17
30	17

	Dry (%)	Comfortable (%)
1	99	1
2	99	1
3	99	1
4	99	1
5	99	1
6	99	1
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	100	0
18	100	0
19	100	0
20	100	0
21	100	0
22	100	0
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0