Alaverdi weather in September

In September, Alaverdi sees average daytime highs of 19°C and overnight lows near 10°C, with 54 mm of rain across 10.6 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 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 35% 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 Alaverdi's 7th-clearest and 8th-windiest month. For the whole year in context, see Alaverdi's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
54 mm
10.6 wet days
Daylight
12 h 18 min
6:48 AM – 7:04 PM
Cloud cover
57%
7th clearest
Wind
5 km/h
8th windiest
Solar energy
4.09 kWh/m²
Travel score
6.0
out of 10

Alaverdi is city or town in Armenia.

Density
675/km²
people per km²
Founded
1899

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 21°C in the first days to 17°C by the end.

A typical September day in Alaverdi reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12113
22112
32112
42112
52112
62112
72012
82011
92011
102011
112011
122011
132011
141911
151910
161910
171910
181910
191910
201810
211810
22189
23189
24189
25189
26179
27179
28179
29178
30178

How September really feels in Alaverdi

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.

Alaverdi 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 / -8°265.86.29.40.0
Feb / -7°357.47.410.40.0
Mar / -3°8114.21011.70.5
Apr11° / 133205.113.12.1
May16° / 16422.80.414.33.5
Jun20° / 11°10516.9014.95.3
Jul23° / 14°5610.8014.76.7
Aug23° / 14°409.1013.67.1
Sep19° / 10°5410.6012.36.0
Oct14° / 6411.61.110.94.1
Nov / -1°397.44.39.71.4
Dec / -6°265.459.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55644
65644
75644
85545
95545
105545
115545
125446
135446
145446
155347
165347
175248
185248
195248
205248
215050
225050
235050
245050
254951
264951
274852
284753
294852
304753

Chance of precipitation in September

Any precipitation

Alaverdi gets around 54 mm of rain over 10.6 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 36% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
635
735
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2036
2136
2236
2337
2437
2538
2638
2739
2839
2939
3040

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
157376
259356
360346
463325
566304
667294
770273
871263
974242
1075232
1178211
1279201
1380191
1482180
1582180
1683170
1784160
1885150
1985150
2086140
2187130
2288120
2389110
2489110
2590100
269190
279280
289370
299460
309550

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 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
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:32 AM to 7:02 AM, and sunset from 7:30 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:327:30
212.96:337:28
312.96:347:26
412.86:357:25
512.86:367:23
612.76:377:21
712.76:387:20
812.66:397:18
912.66:407:16
1012.56:417:14
1112.56:427:13
1212.56:437:11
1312.46:447:09
1412.46:457:07
1512.36:477:05
1612.36:487:04
1712.26:497:02
1812.26:507:00
1912.16:516:58
2012.16:526:57
2112.06:536:55
2212.06:546:53
2311.96:556:51
2411.96:566:50
2511.86:576:48
2611.86:586:46
2711.86:596:44
2811.77:006:42
2911.77:016:41
3011.67:026:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.09 kWh/m².

For context, solar energy here swings from a low near 2.06 kWh/m² to a high of 6.02 kWh/m² in June across the year — September's 4.09 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
194.0Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.8Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Hazard calendar for Alaverdi

In seasonPeak

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

Alaverdi'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 Alaverdi?

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

6.0
Sightseeing
3rd-best month of the year
2.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Alaverdi for sightseeing.

What to pack for Alaverdi in September

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

In September, Alaverdi sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Alaverdi 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 Alaverdi peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 22UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Alaverdi 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 Alaverdi is worst in July — around 19 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJul 1619 µg/m³Oct 2311 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar18Moderate
Apr17Moderate
May18Moderate
Jun17Moderate
Jul19Moderate
Aug16Moderate
Sep14Moderate
Oct11Good
Nov11Good
Dec12Good
Location & terrain

Where is Alaverdi?

Alaverdi sits at 41.1°N, 44.7°E, 0 m above sea level, in Armenia. The nearest listed city is Vanadzor, 36 km away.

VanadzorDilijanIjevanGazakhTsaghkadzorHrazdan

Topography around Alaverdi

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

Within 3 km, the terrain around Alaverdi has large variations in elevation — a maximum elevation change of 891 m around an average of 1,000 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,027 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,857 m.

The land around Alaverdi is covered by trees (55%) and grassland (37%) within 3 km, trees (56%) and grassland (39%) within 16 km, and grassland (58%) and trees (24%) within 80 km.

3 km
891 m
16 km
2,027 m
80 km
3,857 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Vanadzor 36 km · Dilijan 43 km · Marneuli 45 km · Ijevan 47 km · Rustavi 58 km · Gazakh 58 km · Tsaghkadzor 63 km · Hrazdan 65 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 Alaverdi (41.0977°, 44.6732°, elevation 0 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).