Sirdaryo weather in September

In September, Sirdaryo sees average daytime highs of 30°C and overnight lows near 15°C, with 5 mm of rain across 1.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 27°C by the end. The sky is clear or mostly clear about 86% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Sirdaryo's 2nd-clearest and 12th-windiest month. For the whole year in context, see Sirdaryo's year-round climate.

Daytime high
30°
4th warmest
Overnight low
15°
8th coldest
Rainfall
5 mm
1.2 wet days
Daylight
12 h 18 min
6:12 AM – 6:28 PM
Cloud cover
14%
2nd clearest
Wind
6 km/h
12th windiest
Solar energy
5.48 kWh/m²
Travel score
6.8
out of 10

Sirdaryo is city in Uzbekistan.

Founded
1971

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 32°C in the first days to 27°C by the end.

A typical September day in Sirdaryo reaches about 30°C in the afternoon and slips back to 15°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 25°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)
13318
23317
33217
43217
53217
63217
73216
83116
93116
103116
113116
123116
133015
143015
153015
163015
173015
182915
192915
202914
212914
222914
232814
242814
252814
262814
272813
282713
292713
302713

How September really feels in Sirdaryo

Once humidity and wind are folded in, September averages 4 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
4
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.

Sirdaryo weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°418.73.29.40.9
Feb10° / 569.52.710.42.0
Mar16° / 6910.7111.74.9
Apr23° / 12°7410.3013.16.7
May30° / 17°508.7014.25.4
Jun36° / 21°205.1014.92.6
Jul37° / 22°62014.61.8
Aug35° / 20°41.1013.63.3
Sep30° / 15°51.2012.36.8
Oct23° / 10°224.2010.98.0
Nov15° / 426.80.99.74.7
Dec / 448.32.69.11.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 86% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1964
2964
3964
4964
5964
6964
7964
8964
9964
10964
11964
12964
13946
14946
15946
16937
17928
18928
19919
209010
218911
228911
238812
248812
258614
268614
278515
288515
298416
308416

Chance of precipitation in September

Any precipitation

Sirdaryo gets around 5 mm of rain over 1.2 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 4% and peaks near 8% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
123
133
144
154
164
174
184
194
204
215
225
235
245
256
266
276
287
297
308

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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1652510
268239
369229
472208
574197
677176
778166
880155
982144
1083134
1185123
1287112
1388102
1488102
159091
169181
179181
189271
199271
209271
219361
229460
239460
249460
259550
269550
279550
289550
299550
309550

Wind in September

Winds average 6 km/h in September, the calmest month.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours 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 84 minutes over September. Sunrise moves from 5:56 AM to 6:26 AM, and sunset from 6:54 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:566:54
212.95:576:52
312.95:586:50
412.85:596:49
512.86:016:47
612.76:026:45
712.76:036:43
812.66:046:42
912.66:056:40
1012.56:066:38
1112.56:076:36
1212.56:086:35
1312.46:096:33
1412.46:106:31
1512.36:116:29
1612.36:126:28
1712.26:136:26
1812.26:146:24
1912.16:156:22
2012.16:166:21
2112.06:176:19
2212.06:186:17
2311.96:196:15
2411.96:206:14
2511.86:216:12
2611.86:226:10
2711.86:236:08
2811.76:246:07
2911.76:256:05
3011.66:266:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.48 kWh/m².

For context, solar energy here swings from a low near 1.8 kWh/m² to a high of 7.56 kWh/m² in July across the year — September's 5.48 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.1Intense
66.0Intense
76.0Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.7Bright
135.7Bright
145.6Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.3Bright
205.2Bright
215.2Bright
225.1Bright
235.0Bright
245.0Bright
254.9Bright
264.8Bright
274.8Bright
284.7Bright
294.6Bright
304.6Bright
Planning a trip in September

Is September a good time to visit Sirdaryo?

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

6.8
Sightseeing
2nd-best month of the year
8.8
Beach & pool
1st-best month of the year

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

What to pack for Sirdaryo in September

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

In September, Sirdaryo sees daytime highs around 30°C and nights near 15°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Sirdaryo in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sirdaryo peaks around June 12 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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 12UV 9Jan 12UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul7Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Sirdaryo 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 Sirdaryo is worst in May — around 39 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (January, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 938 µg/m³Jan 1023 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb27Moderate
Mar35Moderate
Apr38Poor
May39Poor
Jun35Moderate
Jul32Moderate
Aug29Moderate
Sep32Moderate
Oct34Moderate
Nov30Moderate
Dec24Moderate
Location & terrain

Where is Sirdaryo?

Sirdaryo sits at 40.8°N, 68.7°E, 263 m above sea level, in Uzbekistan. The nearest listed city is Chinoz, 13 km away.

Topography around Sirdaryo

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

Within 3 km, the terrain around Sirdaryo has only modest variations in elevation — a maximum elevation change of 13 m around an average of 261 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 38 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,601 m.

The land around Sirdaryo is covered by artificial surfaces (41%) and cropland (38%) within 3 km, cropland (67%) within 16 km, and cropland (55%) and grassland (30%) within 80 km.

3 km
13 m
16 km
38 m
80 km
1,601 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Chinoz 13 km · Zafar 25 km · Zhetysay 29 km · Guliston 40 km · Yangiyŭl 44 km · Bo‘ka 45 km · Gagarin Shahri 46 km · Piskent 58 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 Sirdaryo (40.8436°, 68.6617°, elevation 263 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).