Chelak weather in September

In September, Chelak sees average daytime highs of 27°C and overnight lows near 12°C, with 4 mm of rain across 0.8 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 25°C by the end. The sky is clear or mostly clear about 91% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Chelak's 3rd-clearest and 6th-windiest month. For the whole year in context, see Chelak's year-round climate.

Daytime high
27°
4th warmest
Overnight low
12°
8th coldest
Rainfall
4 mm
0.8 wet days
Daylight
12 h 18 min
6:19 AM – 6:35 PM
Cloud cover
10%
3rd clearest
Wind
8 km/h
6th windiest
Solar energy
5.68 kWh/m²
Travel score
8.5
out of 10

Chelak is town in Samarkand Region, Uzbekistan.

Founded
1981

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 30°C in the first days to 25°C by the end.

A typical September day in Chelak reaches about 27°C in the afternoon and slips back to 12°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
13014
23014
33014
42913
52913
62913
72913
82913
92913
102813
112812
122812
132812
142812
152712
162712
172712
182711
192711
202611
212611
222611
232611
242611
252511
262510
272510
282510
292510
302410

How September really feels in Chelak

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.

Chelak weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°519.55.29.50.5
Feb / -1°659.43.810.41.5
Mar14° / 7410.51.811.74.0
Apr20° / 618.50.1136.6
May26° / 13°285.9014.27.5
Jun31° / 16°72.5014.85.6
Jul33° / 18°20.5014.54.6
Aug32° / 16°20.5013.65.6
Sep27° / 12°40.8012.38.5
Oct21° / 122.8010.98.1
Nov13° / 406.31.29.84.1
Dec / -1°437.93.19.21.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 91% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1982
2982
3982
4982
5982
6982
7982
8973
9973
10973
11973
12973
13973
14964
15955
16955
17955
18946
19946
20946
21928
22928
23928
24919
25919
269010
278911
288911
298812
308812

Chance of precipitation in September

Any precipitation

Chelak gets around 4 mm of rain over 0.8 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 3% and peaks near 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
142
152
162
172
183
193
203
214
224
234
245
255
265
276
286
296
307

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 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
186131
287130
388120
489110
590100
69190
79280
89370
99460
109460
119550
129640
139640
149730
159730
169730
179820
189820
199820
209820
219820
229820
239820
249820
259910
269910
279910
289910
299910
309910

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 6:05 AM to 6:33 AM, and sunset from 7:00 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:057:00
212.96:066:58
312.86:076:57
412.86:076:55
512.76:086:53
612.76:096:52
712.76:106:50
812.66:116:48
912.66:126:47
1012.56:136:45
1112.56:146:43
1212.46:156:41
1312.46:166:40
1412.36:176:38
1512.36:186:36
1612.36:196:35
1712.26:206:33
1812.26:216:31
1912.16:226:29
2012.16:236:28
2112.06:246:26
2212.06:256:24
2311.96:266:23
2411.96:276:21
2511.96:286:19
2611.86:296:17
2711.86:306:16
2811.76:316:14
2911.76:326:12
3011.66:336:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.68 kWh/m².

For context, solar energy here swings from a low near 1.97 kWh/m² to a high of 7.71 kWh/m² in July across the year — September's 5.68 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.0Intense
116.0Bright
125.9Bright
135.9Bright
145.8Bright
155.7Bright
165.7Bright
175.6Bright
185.6Bright
195.5Bright
205.4Bright
215.4Bright
225.3Bright
235.2Bright
245.2Bright
255.1Bright
265.0Bright
275.0Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Chelak?

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

8.5
Sightseeing
1st-best month of the year
8.8
Beach & pool
1st-best month of the year

September is one of the better times to visit Chelak for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chelak in September

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

In September, Chelak sees daytime highs around 27°C and nights near 12°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Chelak in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chelak peaks around June 15 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 15UV 9Jan 12UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Moderate

Air quality in Chelak 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 Chelak is worst in April — around 39 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateApr 2138 µg/m³Jan 1524 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb26Moderate
Mar36Poor
Apr39Poor
May38Poor
Jun32Moderate
Jul31Moderate
Aug30Moderate
Sep35Moderate
Oct35Poor
Nov31Moderate
Dec26Moderate
Location & terrain

Where is Chelak?

Chelak sits at 39.9°N, 66.9°E, 607 m above sea level, in Uzbekistan. The nearest listed city is Juma Shahri, 28 km away.

Topography around Chelak

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

Within 3 km, the terrain around Chelak has only modest variations in elevation — a maximum elevation change of 34 m around an average of 603 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 306 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,995 m.

The land around Chelak is covered by cropland (56%) and artificial surfaces (35%) within 3 km, cropland (75%) within 16 km, and grassland (52%) and cropland (40%) within 80 km.

3 km
34 m
16 km
306 m
80 km
2,995 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Juma Shahri 28 km · Samarkand 31 km · Bulung’ur Shahri 39 km · Kattaqo’rg’on Shahri 51 km · Payshamba Shahri 55 km · G’allaorol Shahri 63 km · Urgut Shahri 65 km · Yangirabot 78 km

Uzbekistan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$3,968
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
1.4
per 100k, 2021
Road deaths
11.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 439
Religion
Muslim 88%Eastern Orthodox 9%other 3%

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 Chelak (39.92°, 66.8623°, elevation 607 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).