Khōst weather in September

In September, Khōst sees average daytime highs of 28°C and overnight lows near 18°C, with 50 mm of rain across 11.6 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 72% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Khōst's 5th-clearest and 10th-windiest month. For the whole year in context, see Khōst's year-round climate.

Daytime high
28°
5th warmest
Overnight low
18°
9th coldest
Rainfall
50 mm
11.6 wet days
Daylight
12 h 12 min
5:39 AM – 5:51 PM
Cloud cover
29%
5th clearest
Wind
6 km/h
10th windiest
Solar energy
5.36 kWh/m²
Travel score
6.7
out of 10

Khōst is city in Khost Province, Afghanistan.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Khōst reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, September runs about 1°C cooler than August and about 3°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52819
62819
72819
82819
92819
102819
112819
122819
132818
142818
152818
162818
172818
182818
192817
202717
212717
222717
232717
242717
252716
262716
272716
282716
292716
302715

How September really feels in Khōst

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.

Khōst weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / -0°2951.4103.9
Feb14° / 567.71.510.84.5
Mar19° / 7411.60.211.76.0
Apr25° / 12°7011.5012.86.7
May30° / 17°419.2013.75.2
Jun33° / 21°509.1014.23.9
Jul30° / 22°15218.60144.0
Aug29° / 21°14819.6013.24.6
Sep28° / 18°5011.6012.26.7
Oct24° / 12°244.9011.28.4
Nov19° / 173.5010.37.7
Dec15° / 162.70.39.85.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
28020
38119
48218
58317
68416
78515
88614
98614
108812
118812
129010
139010
14919
15919
16937
17937
18937
19946
20946
21946
22946
23946
24946
25946
26946
27946
28937
29937
30937

Chance of precipitation in September

Any precipitation

Khōst gets around 50 mm of rain over 11.6 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 39% and peaks near 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
157
256
355
454
553
652
750
849
948
1046
1144
1243
1341
1439
1538
1636
1735
1834
1933
2032
2130
2229
2328
2427
2526
2625
2725
2824
2924
3023

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 41% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
104165525
205175523
305195521
406205519
507225417
607245415
708255413
819275211
911029519
1011131508
1111232486
1221334465
1321436444
1431538423
1541639392
1641740362
1751941331
1862142311
1972242281
2092442250
21102642220
22122741190
23142841170
24163040150
25183139120
26213137110
2723323590
2826333380
2929343160
3032342950

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 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
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over September. Sunrise moves from 5:28 AM to 5:48 AM, and sunset from 6:12 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:286:12
212.75:296:10
312.75:306:09
412.65:306:08
512.65:316:06
612.65:326:05
712.55:326:04
812.55:336:02
912.45:346:01
1012.45:345:59
1112.45:355:58
1212.35:365:56
1312.35:365:55
1412.35:375:54
1512.25:385:52
1612.25:395:51
1712.25:395:49
1812.15:405:48
1912.15:415:46
2012.15:415:45
2112.05:425:44
2212.05:435:42
2312.05:435:41
2411.95:445:39
2511.95:455:38
2611.85:465:36
2711.85:465:35
2811.85:475:34
2911.75:485:32
3011.75:485:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.36 kWh/m².

For context, solar energy here swings from a low near 3.3 kWh/m² to a high of 7.28 kWh/m² in May across the year — September's 5.36 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Khōst

In seasonPeak

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

Khōst's rainy season runs March–April, 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 Khōst?

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

6.7
Sightseeing
3rd-best month of the year
7.0
Beach & pool
3rd-best month of the year

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

What to pack for Khōst in September

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

In September, Khōst sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Khōst in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Khōst peaks around June 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 13UV 11Nov 21UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May11Extreme
Jun11Extreme
Jul10Very high
Aug8Very high
Sep8Very high
Oct7High
Nov2Moderate
Dec3Moderate

Air quality in Khōst 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 Khōst is worst in June — around 39 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (December, 24 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJun 2239 µg/m³Dec 1524 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb26Moderate
Mar25Moderate
Apr25Moderate
May28Moderate
Jun39Poor
Jul38Poor
Aug37Poor
Sep30Moderate
Oct25Moderate
Nov25Moderate
Dec24Moderate
Location & terrain

Where is Khōst?

Khōst sits at 33.3°N, 69.9°E, 1,183 m above sea level, in Afghanistan. The nearest listed city is Gardez, 71 km away.

Markaz-e Woluswalī-ye ĀchīnBaraki BarakJalālābādGhazniKabulMehtar LāmPaghmān

Topography around Khōst

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

Within 3 km, the terrain around Khōst has only modest variations in elevation — a maximum elevation change of 155 m around an average of 1,185 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 691 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,383 m.

The land around Khōst is covered by cropland (49%) and artificial surfaces (31%) within 3 km, bare terrain (40%) and cropland (28%) within 16 km, and grassland (33%), bare terrain (26%) and shrubs (20%) within 80 km.

3 km
155 m
16 km
691 m
80 km
4,383 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Gardez 71 km · Markaz-e Woluswalī-ye Āchīn 114 km · Baraki Barak 114 km · Jalālābād 130 km · Ghazni 141 km · Kabul 149 km · Mehtar Lām 150 km · Paghmān 165 km

Afghanistan travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 17% of US
price level, 2024
GDP per capita
$417
2024
Happiness
1.4 / 10
World Happiness, 2025
Safe drinking water
31%
of population, 2024
Homicide rate
4
per 100k, 2021
Road deaths
15.9
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 446
Religion
Muslim 100%

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 Khōst (33.3395°, 69.9204°, elevation 1,183 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).