Koson weather in September

In September, Koson sees average daytime highs of 31°C and overnight lows near 14°C, with 2 mm of rain across 0.4 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 33°C in the first days to 28°C by the end. The sky is clear or mostly clear about 94% 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 Koson's 3rd-clearest and 8th-windiest month. For the whole year in context, see Koson's year-round climate.

Daytime high
31°
4th warmest
Overnight low
14°
8th coldest
Rainfall
2 mm
0.4 wet days
Daylight
12 h 18 min
6:24 AM – 6:40 PM
Cloud cover
7%
3rd clearest
Wind
9 km/h
8th windiest
Solar energy
5.75 kWh/m²
Travel score
6.5
out of 10

Koson is human settlement in Uzbekistan.

Founded
1972

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 33°C in the first days to 28°C by the end.

A typical September day in Koson reaches about 31°C in the afternoon and slips back to 14°C overnight — a 16°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13317
23317
33317
43316
53316
63316
73216
83216
93215
103215
113215
123115
133115
143115
153114
163114
173014
183014
193014
203013
213013
222913
232913
242913
252912
262812
272812
282812
292812
302711

How September really feels in Koson

Once humidity and wind are folded in, September averages 8 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
8
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Koson 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 / -1°326.829.61.7
Feb11° / 406.61.510.53.1
Mar17° / 498.40.611.75.7
Apr24° / 11°356.20137.4
May30° / 16°194.1014.15.7
Jun36° / 20°41014.72.9
Jul37° / 22°10.4014.51.9
Aug36° / 20°10.2013.53.1
Sep31° / 14°20.4012.36.5
Oct24° / 71.90118.7
Nov16° / 224.70.59.95.6
Dec10° / -0°255.51.19.32.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 94% 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 3%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
8982
9982
10982
11982
12982
13982
14982
15982
16982
17973
18964
19964
20964
21964
22955
23946
24946
25946
26946
27946
28937
29937
30928

Chance of precipitation in September

Any precipitation

Koson gets around 2 mm of rain over 0.4 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 1% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
120
130
141
151
161
171
181
191
201
211
221
232
242
252
262
272
282
293
303

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 (%)
188102
289101
39091
49091
59091
69181
79181
89271
99271
109271
119460
129460
139550
149550
159550
169640
179640
189640
199730
209730
219730
229820
239820
249820
259910
269910
279910
289910
299910
3010000

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:11 AM to 6:38 AM, and sunset from 7:04 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:117:04
212.96:117:03
312.86:127:01
412.86:136:59
512.76:146:58
612.76:156:56
712.66:166:54
812.66:176:53
912.66:186:51
1012.56:196:50
1112.56:206:48
1212.46:216:46
1312.46:226:45
1412.36:236:43
1512.36:246:41
1612.36:246:40
1712.26:256:38
1812.26:266:36
1912.16:276:34
2012.16:286:33
2112.06:296:31
2212.06:306:29
2311.96:316:28
2411.96:326:26
2511.96:336:24
2611.86:346:23
2711.86:356:21
2811.76:366:19
2911.76:376:18
3011.66:386:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.75 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 7.77 kWh/m² in July across the year — September's 5.75 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.3Intense
56.3Intense
66.3Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.0Intense
126.0Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.7Bright
185.6Bright
195.6Bright
205.5Bright
215.5Bright
225.4Bright
235.3Bright
245.3Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Koson?

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

6.5
Sightseeing
3rd-best month of the year
8.9
Beach & pool
1st-best month of the year

September is a reasonable time to visit Koson for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Koson in September

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

In September, Koson sees daytime highs around 31°C and nights near 14°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Koson 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 Koson peaks around June 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highModerateJun 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Koson 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 Koson is worst in April — around 38 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (January, 21 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1738 µg/m³Jan 1421 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb24Moderate
Mar33Moderate
Apr38Poor
May35Moderate
Jun31Moderate
Jul34Moderate
Aug32Moderate
Sep33Moderate
Oct31Moderate
Nov27Moderate
Dec22Moderate
Location & terrain

Where is Koson?

Koson sits at 39.0°N, 65.6°E, 347 m above sea level, in Uzbekistan. The nearest listed city is Beshkent, 25 km away.

ChiroqchiOqtoshShahrisabzKitob

Topography around Koson

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

Within 3 km, the terrain around Koson has only modest variations in elevation — a maximum elevation change of 83 m around an average of 346 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, large variations in elevation — a maximum elevation change of 845 m.

The land around Koson is covered by artificial surfaces (65%) within 3 km, cropland (79%) within 16 km, and grassland (47%) and cropland (35%) within 80 km.

3 km
83 m
16 km
124 m
80 km
845 m
shrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Beshkent 25 km · Qarshi 26 km · Muborak 44 km · G‘uzor 74 km · Chiroqchi 85 km · Oqtosh 103 km · Shahrisabz 108 km · Kitob 113 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 Koson (39.0375°, 65.585°, elevation 347 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).