Nakhchivan weather in September

In September, Nakhchivan sees average daytime highs of 27°C and overnight lows near 14°C, with 11 mm of rain across 2.2 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 30°C in the first days to 24°C by the end. The sky is clear or mostly clear about 87% 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 Nakhchivan's 3rd-clearest and 4th-windiest month. For the whole year in context, see Nakhchivan's year-round climate.

Daytime high
27°
4th warmest
Overnight low
14°
9th coldest
Rainfall
11 mm
2.2 wet days
Daylight
12 h 18 min
6:45 AM – 7:00 PM
Cloud cover
18%
3rd clearest
Wind
7 km/h
4th windiest
Solar energy
5.47 kWh/m²
Travel score
8.2
out of 10

Nakhchivan is capital of the Nakhchivan Autonomous Republic of Azerbaijan.

Density
6,480/km²
people per km²
Founded
~1499 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 30°C in the first days to 24°C by the end.

A typical September day in Nakhchivan reaches about 27°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 31°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)
13017
23016
33016
43016
52916
62916
72916
82915
92815
102815
112815
122815
132814
142714
152714
162714
172714
182614
192613
202613
212613
222513
232513
242512
252512
262412
272412
282412
292411
302311

How September really feels in Nakhchivan

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.

Nakhchivan 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 / -6°265.75.19.60.0
Feb / -4°316.95.710.50.3
Mar11° / 5110.55.611.72.6
Apr17° / 5311.41.7135.2
May22° / 11°41100.214.16.9
Jun28° / 16°194.6014.77.1
Jul32° / 19°112.4014.55.4
Aug32° / 18°51.1013.55.5
Sep27° / 14°112.2012.38.2
Oct20° / 214.60.2117.4
Nov11° / 295.52.19.93.0
Dec / -3°276.24.69.30.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 8% 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
3973
4973
5973
6973
7973
8973
9973
10973
11973
12964
13964
14955
15955
16955
17955
18946
19946
20946
21946
22937
23937
24919
25919
269010
279010
288911
298911
308911

Chance of precipitation in September

Any precipitation

Nakhchivan gets around 11 mm of rain over 2.2 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 11% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
15
25
35
45
55
65
76
86
96
106
116
126
137
147
157
167
177
188
198
208
218
229
239
2410
2510
2610
2711
2811
2911
3011

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 (%)
1973
2982
3982
4982
5982
6982
7982
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 7 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:31 AM to 6:59 AM, and sunset from 7:25 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:317:25
212.96:327:23
312.86:337:22
412.86:347:20
512.76:357:19
612.76:367:17
712.66:377:15
812.66:387:14
912.66:397:12
1012.56:397:10
1112.56:407:09
1212.46:417:07
1312.46:427:05
1412.36:437:04
1512.36:447:02
1612.36:457:00
1712.26:466:59
1812.26:476:57
1912.16:486:55
2012.16:496:53
2112.06:506:52
2212.06:516:50
2311.96:526:48
2411.96:536:47
2511.96:546:45
2611.86:556:43
2711.86:566:42
2811.76:576:40
2911.76:586:38
3011.66:596:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.47 kWh/m².

For context, solar energy here swings from a low near 2.24 kWh/m² to a high of 7.43 kWh/m² in July across the year — September's 5.47 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Nakhchivan?

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

8.2
Sightseeing
1st-best month of the year
8.3
Beach & pool
3rd-best month of the year

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

What to pack for Nakhchivan in September

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

In September, Nakhchivan sees daytime highs around 27°C and nights near 14°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Nakhchivan 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 Nakhchivan peaks around July 13 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 highHighModerateJul 13UV 10Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Nakhchivan 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 Nakhchivan is worst in May — around 27 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (November, 17 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1126 µg/m³Nov 1417 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar23Moderate
Apr26Moderate
May27Moderate
Jun22Moderate
Jul20Moderate
Aug18Moderate
Sep18Moderate
Oct18Moderate
Nov17Moderate
Dec18Moderate
Location & terrain

Where is Nakhchivan?

Nakhchivan sits at 39.2°N, 45.4°E, 887 m above sea level, in Azerbaijan. The nearest listed city is Nehram, 11 km away.

PoldashtHādīshahrQarah Ẕīā’ od DīnShowţJermukMakuKhūy

Topography around Nakhchivan

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

Within 3 km, the terrain around Nakhchivan has only modest variations in elevation — a maximum elevation change of 129 m around an average of 857 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 888 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,307 m.

The land around Nakhchivan is covered by artificial surfaces (49%) and grassland (22%) within 3 km, grassland (32%), cropland (29%) and bare terrain (24%) within 16 km, and grassland (70%) within 80 km.

3 km
129 m
16 km
888 m
80 km
3,307 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Nehram 11 km · Poldasht 33 km · Hādīshahr 46 km · Qarah Ẕīā’ od Dīn 49 km · Showţ 55 km · Jermuk 74 km · Maku 82 km · Khūy 83 km

Azerbaijan travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 28% of US
price level, 2025
GDP per capita
$7,411
2025
Happiness
5.0 / 10
World Happiness, 2025
Safe drinking water
58%
of population, 2024
Homicide rate
2.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 454
Religion
Muslim 97%Christian 3%

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 Nakhchivan (39.2089°, 45.4122°, elevation 887 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).