Khūy weather in September

In September, Khūy sees average daytime highs of 28°C and overnight lows near 13°C, with 10 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 30°C in the first days to 25°C by the end. The sky is clear or mostly clear about 84% 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 Khūy's 3rd-clearest and 7th-windiest month. For the whole year in context, see Khūy's year-round climate.

Daytime high
28°
4th warmest
Overnight low
13°
9th coldest
Rainfall
10 mm
2.4 wet days
Daylight
12 h 12 min
6:17 AM – 6:32 PM
Cloud cover
20%
3rd clearest
Wind
7 km/h
7th windiest
Solar energy
5.59 kWh/m²
Travel score
7.7
out of 10

Khūy is city in West Azarbaijan Province, Iran.

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 25°C by the end.

A typical September day in Khūy reaches about 28°C in the afternoon and slips back to 13°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°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)
13116
23116
33116
43015
53015
63015
73015
83015
92915
102914
112914
122914
132814
142814
152813
162813
172813
182713
192713
202712
212712
222712
232612
242612
252611
262611
272511
282511
292511
302510

How September really feels in Khūy

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.

Khūy 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 / -5°326.75.49.60.0
Feb / -4°357.95.510.50.7
Mar12° / 5810.93.611.73.1
Apr18° / 6111.60.4135.5
May23° / 11°5311.3014.16.7
Jun29° / 15°195.4014.66.6
Jul32° / 19°82.1014.45.0
Aug32° / 18°61.4013.55.0
Sep28° / 13°102.4012.37.7
Oct21° / 2860.1117.4
Nov12° / 356.11.39.93.5
Dec / -3°326.73.69.40.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% 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 5%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2973
3973
4973
5973
6973
7973
8964
9955
10955
11955
12955
13955
14946
15946
16955
17955
18955
19955
20955
21955
22946
23946
24937
25937
26928
27928
28919
299010
309010

Chance of precipitation in September

Any precipitation

Khūy gets around 10 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 (%)
15
25
35
45
55
66
76
86
96
107
117
127
138
148
158
169
179
189
199
209
2110
2210
2310
2411
2511
2612
2712
2812
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
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
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
167calm
177calm
187calm
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 6:04 AM to 6:30 AM, and sunset from 6:56 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.96:046:56
212.86:046:55
312.86:056:53
412.86:066:52
512.76:076:50
612.76:086:48
712.66:096:47
812.66:106:45
912.56:116:43
1012.56:126:42
1112.56:136:40
1212.46:136:39
1312.46:146:37
1412.36:156:35
1512.36:166:34
1612.26:176:32
1712.26:186:30
1812.26:196:29
1912.16:206:27
2012.16:216:25
2112.06:226:24
2212.06:236:22
2311.96:246:20
2411.96:246:19
2511.96:256:17
2611.86:266:15
2711.86:276:14
2811.76:286:12
2911.76:296:11
3011.66:306:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.59 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 7.58 kWh/m² in July across the year — September's 5.59 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.2Intense
46.2Intense
56.1Intense
66.0Intense
76.0Intense
86.0Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
Planning a trip in September

Is September a good time to visit Khūy?

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

7.7
Sightseeing
1st-best month of the year
8.4
Beach & pool
1st-best month of the year

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

What to pack for Khūy in September

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

In September, Khūy sees daytime highs around 28°C and nights near 13°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Khūy in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Khūy peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Khūy 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 Khūy is worst in May — around 33 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (January, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Jan 1118 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb22Moderate
Mar28Moderate
Apr32Moderate
May33Moderate
Jun25Moderate
Jul23Moderate
Aug20Moderate
Sep21Moderate
Oct23Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Khūy?

Khūy sits at 38.6°N, 45.0°E, 1,143 m above sea level, in Iran. The nearest listed city is Qarah Ẕīā’ od Dīn, 38 km away.

Topography around Khūy

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

Within 3 km, the terrain around Khūy has only modest variations in elevation — a maximum elevation change of 130 m around an average of 1,147 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 930 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,895 m.

The land around Khūy is covered by artificial surfaces (53%) and cropland (25%) within 3 km, cropland (38%), grassland (32%) and bare terrain (20%) within 16 km, and grassland (61%) within 80 km.

3 km
130 m
16 km
930 m
80 km
2,895 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Qarah Ẕīā’ od Dīn 38 km · Salmās 42 km · Hādīshahr 70 km · Marand 73 km · Seyah Cheshmeh 75 km · Showţ 76 km · Nehram 77 km · Shabestar 77 km

Iran travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 352% of US
price level, 2025
GDP per capita
$3,924
2025
Happiness
5.2 / 10
World Happiness, 2025
Safe drinking water
94%
of population, 2024
Homicide rate
2.4
per 100k, 2014
Road deaths
21.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 492
Religion
Muslim 99%Christian 1%Baha'i 0%agnostic 0%

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 Khūy (38.5503°, 44.9521°, elevation 1,143 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).