Vanadzor weather in September

In September, Vanadzor sees average daytime highs of 18°C and overnight lows near 8°C, with 73 mm of precipitation across 13 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 16°C by the end. The sky is clear or mostly clear about 42% 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 Vanadzor's 1st-clearest and 12th-windiest month. For the whole year in context, see Vanadzor's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Precipitation
73 mm
13 wet days
Daylight
12 h 18 min
6:48 AM – 7:04 PM
Cloud cover
49%
1st clearest
Wind
5 km/h
12th windiest
Solar energy
4.55 kWh/m²
Travel score
5.4
out of 10

Vanadzor is city in Armenia.

Density
3,112/km²
people per km²
Founded
1828

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 19°C in the first days to 16°C by the end.

A typical September day in Vanadzor reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12010
2209
3199
4199
5199
6199
7199
8199
9198
10188
11188
12188
13188
14188
15188
16188
17177
18177
19177
20177
21177
22177
23167
24166
25166
26166
27166
28166
29156
30155

How September really feels in Vanadzor

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.

Vanadzor weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -11°376.889.40.0
Feb-2° / -10°4689.210.40.0
Mar / -5°9113.912.711.70.0
Apr / -0°13719.2913.11.2
May14° / 16823.52.114.22.8
Jun18° / 16122.2014.94.2
Jul20° / 11°11319.5014.65.0
Aug20° / 11°8418.1013.65.4
Sep18° / 73130.212.35.4
Oct12° / 6511.22.110.93.4
Nov / -4°487.969.70.4
Dec-1° / -9°386.47.19.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66436
76535
86436
96436
106436
116436
126436
136436
146337
156337
166337
176337
186337
196337
206337
216238
226238
236139
246139
256139
266040
276040
286040
295941
305941

Chance of precipitation in September

Any precipitationSnow

Vanadzor gets around 73 mm of rain and snow over 13 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 44% and peaks near 52% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1520
2510
3500
4490
5480
6470
7460
8450
9450
10440
11430
12420
13420
14410
15410
16410
17410
18411
19411
20411
21421
22421
23421
24421
25421
26431
27432
28432
29422
30422

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 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
18614
28713
38812
48911
59010
6928
7937
8946
9955
10964
11973
12982
13982
14991
15991
16991
17991
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 5 km/h in September, the calmest month.

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 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 6:33 AM to 7:03 AM, and sunset from 7:30 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:337:30
212.96:347:29
312.96:357:27
412.86:367:25
512.86:377:24
612.76:387:22
712.76:397:20
812.66:407:18
912.66:417:17
1012.56:427:15
1112.56:437:13
1212.56:447:11
1312.46:457:10
1412.46:467:08
1512.36:477:06
1612.36:487:04
1712.26:497:03
1812.26:507:01
1912.16:516:59
2012.16:526:57
2112.06:536:56
2212.06:546:54
2311.96:556:52
2411.96:576:50
2511.86:586:49
2611.86:596:47
2711.87:006:45
2811.77:016:43
2911.77:026:42
3011.67:036:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.55 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 6.39 kWh/m² in June across the year — September's 4.55 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.1Bright
284.1Bright
294.1Bright
304.0Bright
Planning a trip in September

Hazard calendar for Vanadzor

In seasonPeak

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

Vanadzor's rainy season runs March–August, 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 Vanadzor?

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

5.4
Sightseeing
1st-best month of the year
1.6
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Vanadzor for sightseeing.

What to pack for Vanadzor in September

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

In September, Vanadzor sees daytime highs around 18°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

UV index in Vanadzor 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 Vanadzor peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highExtremeVery highModerateJun 21UV 10Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Vanadzor 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 Vanadzor is worst in April — around 23 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2223 µg/m³Sep 1515 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb19Moderate
Mar21Moderate
Apr23Moderate
May23Moderate
Jun21Moderate
Jul18Moderate
Aug16Moderate
Sep15Moderate
Oct16Moderate
Nov17Moderate
Dec16Moderate
Location & terrain

Where is Vanadzor?

Vanadzor sits at 40.8°N, 44.5°E, 1,368 m above sea level, in Armenia. The nearest listed city is Dilijan, 32 km away.

DilijanAlaverdiTsaghkadzorHrazdanCharentsavanSevanArtikGyumri

Topography around Vanadzor

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

Within 3 km, the terrain around Vanadzor has large variations in elevation — a maximum elevation change of 750 m around an average of 1,469 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,120 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,799 m.

The land around Vanadzor is covered by trees (38%), grassland (34%) and artificial surfaces (28%) within 3 km, grassland (68%) and trees (29%) within 16 km, and grassland (61%) within 80 km.

3 km
750 m
16 km
2,120 m
80 km
3,799 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Dilijan 32 km · Alaverdi 36 km · Tsaghkadzor 36 km · Hrazdan 39 km · Charentsavan 47 km · Sevan 48 km · Artik 49 km · Gyumri 55 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 Vanadzor (40.8074°, 44.497°, elevation 1,368 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).