Ashtarak weather in September

In September, Ashtarak sees average daytime highs of 26°C and overnight lows near 13°C, with 11 mm of rain across 2.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 22°C by the end. The sky is clear or mostly clear about 83% 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 Ashtarak's 2nd-clearest and 4th-windiest month. For the whole year in context, see Ashtarak's year-round climate.

Daytime high
26°
4th warmest
Overnight low
13°
9th coldest
Rainfall
11 mm
2.4 wet days
Daylight
12 h 18 min
6:49 AM – 7:05 PM
Cloud cover
21%
2nd clearest
Wind
5 km/h
4th windiest
Solar energy
5.37 kWh/m²
Travel score
8.5
out of 10

Ashtarak is city in Armenia.

Density
2,347/km²
people per km²
Founded
~801 CE

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 28°C in the first days to 22°C by the end.

A typical September day in Ashtarak reaches about 26°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12915
22915
32815
42815
52815
62815
72814
82714
92714
102714
112714
122613
132613
142613
152613
162613
172512
182512
192512
202512
212411
222411
232411
242411
252311
262310
272310
282310
292210
302210

How September really feels in Ashtarak

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.

Ashtarak weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°275.659.50.0
Feb / -6°327.26.510.40.0
Mar / -1°5010.44.611.71.7
Apr15° / 6212.80.8134.3
May21° / 10°4410.6014.26.5
Jun27° / 15°184.4014.87.7
Jul31° / 18°102.4014.66.0
Aug31° / 18°71.7013.66.1
Sep26° / 13°112.4012.38.5
Oct18° / 205010.96.8
Nov10° / 275.81.79.82.4
Dec / -5°306.24.79.20.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 83% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1982
2982
3982
4982
5982
6973
7973
8973
9973
10973
11964
12964
13964
14955
15955
16955
17946
18946
19946
20928
21928
22919
23919
249010
258911
268812
278812
288713
298713
308614

Chance of precipitation in September

Any precipitation

Ashtarak gets around 11 mm of rain over 2.4 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 8% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
44
54
64
75
85
95
105
116
126
137
147
158
168
179
189
199
2010
2110
2211
2311
2412
2512
2612
2712
2813
2913
3013

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

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 6 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
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 6:34 AM to 7:03 AM, and sunset from 7:30 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:347:30
212.96:357:29
312.86:367:27
412.86:377:25
512.86:387:24
612.76:397:22
712.76:407:20
812.66:417:19
912.66:427:17
1012.56:437:15
1112.56:447:13
1212.46:457:12
1312.46:467:10
1412.46:477:08
1512.36:487:06
1612.36:497:05
1712.26:507:03
1812.26:517:01
1912.16:527:00
2012.16:536:58
2112.06:546:56
2212.06:556:54
2311.96:566:53
2411.96:576:51
2511.96:586:49
2611.86:596:47
2711.87:006:46
2811.77:016:44
2911.77:026:42
3011.67:036:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.37 kWh/m².

For context, solar energy here swings from a low near 2.18 kWh/m² to a high of 7.39 kWh/m² in June across the year — September's 5.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.6Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.0Bright
235.0Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Ashtarak?

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

8.5
Sightseeing
1st-best month of the year
7.8
Beach & pool
4th-best month of the year

September is one of the better times to visit Ashtarak for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ashtarak in September

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

In September, Ashtarak sees daytime highs around 26°C and nights near 13°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Ashtarak 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 Ashtarak peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highModerateJun 22UV 10Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Ashtarak 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 Ashtarak 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 Ashtarak?

Ashtarak sits at 40.3°N, 44.4°E, 1,140 m above sea level, in Armenia. The nearest listed city is Davtashen, 14 km away.

Malatia-SebastiaEchmiadzinArabkirKanaker-ZeytunKentronYerevan

Topography around Ashtarak

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

Within 3 km, the terrain around Ashtarak has significant variations in elevation — a maximum elevation change of 306 m around an average of 1,175 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,742 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,300 m.

The land around Ashtarak is covered by grassland (66%) within 3 km, grassland (64%) within 16 km, and grassland (66%) within 80 km.

3 km
306 m
16 km
1,742 m
80 km
4,300 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Davtashen 14 km · Ajapnyak 14 km · Malatia-Sebastia 15 km · Echmiadzin 16 km · Arabkir 16 km · Kanaker-Zeytun 17 km · Kentron 18 km · Yerevan 19 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 Ashtarak (40.2976°, 44.3615°, elevation 1,140 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).