Kapan weather in September

In September, Kapan sees average daytime highs of 22°C and overnight lows near 11°C, with 104 mm of rain across 12.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 20°C by the end. The sky is clear or mostly clear about 53% 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 Kapan's 3rd-clearest and 8th-windiest month. For the whole year in context, see Kapan's year-round climate.

Daytime high
22°
4th warmest
Overnight low
11°
9th coldest
Rainfall
104 mm
12.7 wet days
Daylight
12 h 18 min
6:41 AM – 6:56 PM
Cloud cover
43%
3rd clearest
Wind
5 km/h
8th windiest
Solar energy
4.66 kWh/m²
Travel score
6.5
out of 10

Kapan is town in Armenia.

Density
914/km²
people per km²
Founded
1801

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 24°C in the first days to 20°C by the end.

A typical September day in Kapan reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 27°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12413
22413
32413
42413
52413
62313
72313
82312
92312
102312
112212
122212
132212
142212
152211
162211
172211
182111
192111
202111
212111
222110
232110
242010
252010
262010
272010
28209
29209
30199

How September really feels in Kapan

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.

Kapan weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°376.96.99.60.0
Feb / -5°549.68.810.50.2
Mar10° / -1°10515.79.811.71.8
Apr15° / 13820.72.8133.2
May19° / 17822.50.214.14.4
Jun23° / 13°11814.2014.76.4
Jul26° / 15°397014.57.7
Aug26° / 15°387.2013.57.7
Sep22° / 11°10412.7012.36.5
Oct17° / 8213.70.8115.1
Nov10° / 588.549.92.5
Dec / -4°376.45.39.30.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27624
37525
47525
57525
67426
77426
87228
97228
107129
116931
126931
136832
146733
156733
166634
176535
186535
196436
206337
216337
226238
236238
246238
256139
266139
276040
286139
296040
306040

Chance of precipitation in September

Any precipitation

Kapan gets around 104 mm of rain over 12.7 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 42% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
132
232
333
433
534
634
735
836
937
1037
1138
1239
1340
1442
1543
1644
1745
1846
1947
2047
2148
2248
2349
2449
2549
2650
2750
2850
2950
3050

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 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
151409
252399
354388
456368
558357
659347
761336
863325
965314
1066313
1167303
1269292
1370282
1470282
1572271
1672271
1773261
1874251
1974251
2075241
2178220
2279210
2380200
2482180
2583170
2685150
2786140
2888120
2990100
309190

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 6:27 AM to 6:55 AM, and sunset from 7:21 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:277:21
212.96:287:19
312.86:297:18
412.86:307:16
512.76:317:15
612.76:327:13
712.66:337:11
812.66:347:10
912.66:357:08
1012.56:367:06
1112.56:367:05
1212.46:377:03
1312.46:387:01
1412.36:397:00
1512.36:406:58
1612.36:416:56
1712.26:426:55
1812.26:436:53
1912.16:446:51
2012.16:456:50
2112.06:466:48
2212.06:476:46
2311.96:486:44
2411.96:496:43
2511.96:506:41
2611.86:516:39
2711.86:526:38
2811.76:536:36
2911.76:546:34
3011.66:556:33

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.66 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 6.65 kWh/m² in July across the year — September's 4.66 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.8Bright
124.8Bright
134.7Bright
144.7Bright
154.7Bright
164.6Bright
174.6Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
Planning a trip in September

Hazard calendar for Kapan

In seasonPeak

In September, Kapan sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Kapan's rainy season runs March–June, 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 Kapan?

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
4.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Kapan for sightseeing.

What to pack for Kapan in September

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

In September, Kapan sees daytime highs around 22°C and nights near 11°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Kapan 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 Kapan peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 10Dec 18UV 2
UV index (midday)Level
Jan3Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Kapan 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 Kapan is worst in May — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (November, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1125 µg/m³Nov 1315 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar22Moderate
Apr24Moderate
May25Moderate
Jun21Moderate
Jul20Moderate
Aug19Moderate
Sep19Moderate
Oct15Moderate
Nov15Moderate
Dec17Moderate
Location & terrain

Where is Kapan?

Kapan sits at 39.2°N, 46.4°E, 774 m above sea level, in Armenia. The nearest listed city is Goris, 34 km away.

GorisShushaHādīshahrNehramNakhchivanJermuk

Topography around Kapan

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

Within 3 km, the terrain around Kapan has large variations in elevation — a maximum elevation change of 600 m around an average of 944 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,703 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,679 m.

The land around Kapan is covered by grassland (49%) and trees (41%) within 3 km, trees (55%) and grassland (42%) within 16 km, and grassland (72%) within 80 km.

3 km
600 m
16 km
2,703 m
80 km
3,679 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Goris 34 km · Shusha 68 km · Hādīshahr 76 km · Fuzuli 77 km · Nehram 82 km · Nakhchivan 86 km · Jermuk 94 km · Aghdam 98 km

Armenia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$9,474
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
82%
of population, 2024
Homicide rate
2.2
per 100k, 2023
Road deaths
20
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 515
Religion
Armenian Apostolic 95%not stated 2%

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 Kapan (39.2076°, 46.4068°, elevation 774 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).