Gyumri weather in September

In September, Gyumri sees average daytime highs of 20°C and overnight lows near 8°C, with 28 mm of precipitation across 6.7 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 70% 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 Gyumri's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Gyumri's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
9th coldest
Precipitation
28 mm
6.7 wet days
Daylight
12 h 18 min
6:51 AM – 7:07 PM
Cloud cover
30%
2nd clearest
Wind
8 km/h
3rd windiest
Solar energy
5.08 kWh/m²
Travel score
7.3
out of 10

Gyumri is second-largest city in Armenia and capital of Shirak Province in the northwestern part of the country.

Density
2,482/km²
people per km²
Founded
~401 BCE

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 23°C in the first days to 18°C by the end.

A typical September day in Gyumri reaches about 20°C in the afternoon and slips back to 8°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12310
22310
32310
42310
52310
6229
7229
8229
9229
10229
11219
12218
13218
14218
15218
16208
17208
18207
19207
20207
21197
22197
23197
24196
25186
26186
27186
28186
29176
30175

How September really feels in Gyumri

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.

Gyumri weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -12°327.38.59.40.0
Feb-1° / -10°3688.510.40.0
Mar / -5°6913.310.111.70.1
Apr10° / 10618.15.913.11.9
May15° / 11920.70.814.23.7
Jun20° / 7915.4014.95.9
Jul24° / 12°5712.8014.67.0
Aug24° / 12°4010.6013.67.4
Sep20° / 286.70.112.37.3
Oct14° / 438.8110.94.3
Nov / -3°356.64.89.70.6
Dec-1° / -9°346.87.69.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7928
8928
9928
10919
119010
129010
138911
148911
158812
168812
178614
188614
198515
208416
218317
228218
238119
248020
257921
267822
277723
287723
297624
307624

Chance of precipitation in September

Any precipitation

Gyumri gets around 28 mm of rain and snow over 6.7 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 23% and peaks near 28% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
123
222
322
421
520
620
720
819
919
1019
1120
1220
1320
1421
1521
1622
1722
1823
1924
2024
2125
2226
2326
2427
2527
2628
2728
2828
2928
3028

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6991
7991
8991
9991
10991
11991
12991
13991
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:36 AM to 7:05 AM, and sunset from 7:33 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:367:33
212.96:377:31
312.96:387:30
412.86:397:28
512.86:407:26
612.76:417:24
712.76:427:23
812.66:437:21
912.66:447:19
1012.56:457:17
1112.56:467:16
1212.56:477:14
1312.46:487:12
1412.46:497:10
1512.36:507:09
1612.36:517:07
1712.26:527:05
1812.26:537:03
1912.16:547:02
2012.16:557:00
2112.06:566:58
2212.06:576:56
2311.96:586:55
2411.96:596:53
2511.87:006:51
2611.87:016:49
2711.87:026:48
2811.77:036:46
2911.77:046:44
3011.67:056:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.08 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 7.03 kWh/m² in June across the year — September's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.0Bright
185.0Bright
194.9Bright
204.9Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
Planning a trip in September

Hazard calendar for Gyumri

In seasonPeak

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

Gyumri's rainy season runs March–July, 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 Gyumri?

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

7.3
Sightseeing
2nd-best month of the year
4.0
Beach & pool
3rd-best month of the year

September is one of the better times to visit Gyumri for general sightseeing.

What to pack for Gyumri in September

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

In September, Gyumri sees daytime highs around 20°C and nights near 8°C. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

UV index in Gyumri 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 Gyumri 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highModerateJun 21UV 10Dec 20UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr7High
May8Very high
Jun11Extreme
Jul10Very high
Aug10Extreme
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Gyumri 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 Gyumri is worst in May — around 21 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (January, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1221 µg/m³Jan 1112 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar18Moderate
Apr21Moderate
May21Moderate
Jun19Moderate
Jul15Moderate
Aug13Moderate
Sep12Moderate
Oct14Moderate
Nov14Moderate
Dec12Moderate
Location & terrain

Where is Gyumri?

Gyumri sits at 40.8°N, 43.8°E, 1,553 m above sea level, in Armenia. The nearest listed city is Artik, 22 km away.

ArtikVanadzorAshtarakArmavirAlaverdiEchmiadzinTsaghkadzor

Topography around Gyumri

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

Within 3 km, the terrain around Gyumri has only modest variations in elevation — a maximum elevation change of 118 m around an average of 1,542 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 980 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,375 m.

The land around Gyumri is covered by artificial surfaces (56%) and grassland (21%) within 3 km, cropland (52%) and grassland (41%) within 16 km, and grassland (69%) within 80 km.

3 km
118 m
16 km
980 m
80 km
3,375 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Artik 22 km · Vanadzor 55 km · Kars 68 km · Ashtarak 70 km · Armavir 73 km · Alaverdi 77 km · Echmiadzin 79 km · Tsaghkadzor 79 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 Gyumri (40.7931°, 43.8464°, elevation 1,553 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).