Istaravshan weather in September

In September, Istaravshan sees average daytime highs of 25°C and overnight lows near 12°C, with 13 mm of rain across 2.8 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 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 83% 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 Istaravshan's 3rd-clearest and 12th-windiest month. For the whole year in context, see Istaravshan's year-round climate.

Daytime high
25°
4th warmest
Overnight low
12°
8th coldest
Rainfall
13 mm
2.8 wet days
Daylight
12 h 18 min
6:11 AM – 6:26 PM
Cloud cover
19%
3rd clearest
Wind
6 km/h
12th windiest
Solar energy
5.45 kWh/m²
Travel score
8.6
out of 10

Istaravshan is city in Tajikistan.

Density
304/km²
people per km²

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 27°C in the first days to 23°C by the end.

A typical September day in Istaravshan reaches about 25°C in the afternoon and slips back to 12°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°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)
12815
22815
32714
42714
52714
62714
72714
82714
92613
102613
112613
122613
132613
142613
152513
162512
172512
182512
192512
202412
212412
222412
232411
242411
252311
262311
272311
282311
292310
302210

How September really feels in Istaravshan

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.

Istaravshan 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 / -3°508.76.59.50.0
Feb / -2°7110.46.610.40.5
Mar12° / 10012.55.111.73.0
Apr19° / 11513.61.2135.5
May24° / 13°7712.40.114.26.6
Jun29° / 16°286.8014.86.1
Jul31° / 18°113014.55.5
Aug30° / 17°82.5013.66.6
Sep25° / 12°132.8012.38.6
Oct19° / 355.60.810.96.9
Nov11° / 597.73.59.83.0
Dec / -2°5395.99.20.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% of September, with mostly cloudy or overcast conditions the remaining 9%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1955
2964
3964
4964
5964
6964
7964
8964
9964
10955
11955
12955
13946
14946
15937
16937
17928
18919
199010
209010
218812
228713
238713
248515
258515
268416
278317
288218
298119
308020

Chance of precipitation in September

Any precipitation

Istaravshan gets around 13 mm of rain over 2.8 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 10% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
18
27
37
47
57
66
76
86
96
106
117
127
137
148
158
169
179
1810
1910
2011
2111
2212
2313
2413
2514
2614
2715
2815
2916
3017

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 (%)
18317
28416
38515
48614
58713
68911
79010
8919
9928
10937
11946
12955
13955
14964
15973
16973
17982
18982
19982
20982
21991
22991
23991
24991
25991
26991
27991
28991
29991
301000

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 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 5:56 AM to 6:24 AM, and sunset from 6:51 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:566:51
212.95:576:50
312.85:586:48
412.85:596:46
512.76:006:45
612.76:016:43
712.76:026:41
812.66:036:40
912.66:046:38
1012.56:056:36
1112.56:066:35
1212.46:076:33
1312.46:086:31
1412.36:096:30
1512.36:106:28
1612.36:116:26
1712.26:126:24
1812.26:136:23
1912.16:136:21
2012.16:146:19
2112.06:156:17
2212.06:166:16
2311.96:176:14
2411.96:186:12
2511.96:196:11
2611.86:206:09
2711.86:216:07
2811.76:226:06
2911.76:236:04
3011.66:246:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.45 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 7.32 kWh/m² in July across the year — September's 5.45 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.0Intense
56.0Bright
66.0Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.4Bright
185.3Bright
195.3Bright
205.2Bright
215.1Bright
225.1Bright
235.0Bright
244.9Bright
254.9Bright
264.8Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Istaravshan

In seasonPeak

None of Istaravshan's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Istaravshan's rainy season runs February–May, when most of the year's rain falls.

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

Is September a good time to visit Istaravshan?

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

8.6
Sightseeing
1st-best month of the year
7.7
Beach & pool
4th-best month of the year

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

What to pack for Istaravshan in September

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

In September, Istaravshan sees daytime highs around 25°C and nights near 12°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Istaravshan 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 Istaravshan peaks around May 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 highHighModerateMay 23UV 9Jan 11UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Istaravshan 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 Istaravshan is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1132 µg/m³Jan 1113 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar21Moderate
Apr27Moderate
May31Moderate
Jun32Moderate
Jul29Moderate
Aug27Moderate
Sep27Moderate
Oct24Moderate
Nov16Moderate
Dec13Moderate
Location & terrain

Where is Istaravshan?

Istaravshan sits at 39.9°N, 69.0°E, 979 m above sea level, in Tajikistan. The nearest listed city is Muchun, 16 km away.

BekobodYangiyerRazzakovSuluktuDashtobod

Topography around Istaravshan

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

Within 3 km, the terrain around Istaravshan has only modest variations in elevation — a maximum elevation change of 148 m around an average of 999 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 804 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,773 m.

The land around Istaravshan is covered by artificial surfaces (60%) and cropland (20%) within 3 km, cropland (54%) and grassland (30%) within 16 km, and grassland (48%) and cropland (31%) within 80 km.

3 km
148 m
16 km
804 m
80 km
4,773 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
September weather nearby: Muchun 16 km · Dalyoni Bolo 18 km · Shahriston 23 km · Bekobod 41 km · Yangiyer 43 km · Razzakov 46 km · Suluktu 48 km · Dashtobod 49 km

Tajikistan travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / I
220 V · 50 Hz
Prices
≈ 28% of US
price level, 2025
GDP per capita
$1,637
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
65%
of population, 2024
Homicide rate
0.9
per 100k, 2020
Road deaths
15.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 409
Religion
Muslim 98%

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 Istaravshan (39.9142°, 69.0033°, elevation 979 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).