Orūmīyeh weather in September

In September, Orūmīyeh sees average daytime highs of 26°C and overnight lows near 13°C, with 9 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 29°C in the first days to 23°C by the end. The sky is clear or mostly clear about 89% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Orūmīyeh's 3rd-clearest and 5th-windiest month. For the whole year in context, see Orūmīyeh's year-round climate.

Daytime high
26°
4th warmest
Overnight low
13°
9th coldest
Rainfall
9 mm
2.2 wet days
Daylight
12 h 12 min
6:17 AM – 6:31 PM
Cloud cover
15%
3rd clearest
Wind
8 km/h
5th windiest
Solar energy
5.8 kWh/m²
Travel score
8.6
out of 10

Orūmīyeh is city in West Azerbaijan Province, Iran.

Density
13,520/km²
people per km²

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 29°C in the first days to 23°C by the end.

A typical September day in Orūmīyeh reaches about 26°C in the afternoon and slips back to 13°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°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)
12915
22915
32915
42815
52814
62814
72814
82814
92714
102714
112713
122713
132713
142613
152613
162612
172612
182612
192512
202512
212512
222511
232511
242411
252411
262411
272410
282310
292310
302310

How September really feels in Orūmīyeh

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.

Orūmīyeh 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 / -8°416.76.79.70.0
Feb / -6°436.7610.60.1
Mar / -1°598.94.711.71.9
Apr15° / 4780.612.95.0
May21° / 418.40147.1
Jun27° / 14°132.7014.58.2
Jul30° / 18°61.5014.36.6
Aug30° / 17°51.4013.46.6
Sep26° / 13°92.2012.38.6
Oct19° / 264.90.1117.2
Nov11° / 4171.9102.9
Dec / -5°407.15.59.50.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 4%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2973
3973
4973
5973
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16973
17973
18973
19973
20973
21973
22955
23955
24955
25946
26946
27937
28937
29937
30919

Chance of precipitation in September

Any precipitation

Orūmīyeh gets around 9 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 (%)
16
26
36
46
57
67
77
87
97
107
117
127
138
148
158
168
178
188
198
208
218
228
238
249
259
269
279
2810
2910
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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3991
4991
5991
6991
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 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
188calm
198calm
208calm
218calm
228calm
238calm
248calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over September. Sunrise moves from 6:04 AM to 6:29 AM, and sunset from 6:55 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:046:55
212.86:056:53
312.86:066:52
412.76:076:50
512.76:076:49
612.66:086:47
712.66:096:46
812.66:106:44
912.56:116:42
1012.56:126:41
1112.46:136:39
1212.46:136:38
1312.46:146:36
1412.36:156:34
1512.36:166:33
1612.26:176:31
1712.26:186:30
1812.26:196:28
1912.16:196:26
2012.16:206:25
2112.06:216:23
2212.06:226:21
2311.96:236:20
2411.96:246:18
2511.96:256:17
2611.86:266:15
2711.86:276:14
2811.76:276:12
2911.76:286:10
3011.76:296:09

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.8 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 7.75 kWh/m² in June across the year — September's 5.8 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.0Intense
116.0Intense
126.0Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.6Bright
205.6Bright
215.5Bright
225.5Bright
235.4Bright
245.4Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Orūmīyeh?

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

8.6
Sightseeing
1st-best month of the year
8.2
Beach & pool
4th-best month of the year

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

What to pack for Orūmīyeh in September

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

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

light clothessun protection

UV index in Orūmīyeh 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 Orūmīyeh peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highHighModerateJun 23UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May9Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Orūmīyeh 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 Orūmīyeh is worst in May — around 33 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (January, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 933 µg/m³Jan 1119 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb23Moderate
Mar29Moderate
Apr33Moderate
May33Moderate
Jun26Moderate
Jul24Moderate
Aug22Moderate
Sep22Moderate
Oct25Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Orūmīyeh?

Orūmīyeh sits at 37.6°N, 45.1°E, 1,350 m above sea level, in Iran. The nearest listed city is Şemdinli, 52 km away.

Topography around Orūmīyeh

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

Within 3 km, the terrain around Orūmīyeh has only modest variations in elevation — a maximum elevation change of 145 m around an average of 1,347 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,030 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,997 m.

The land around Orūmīyeh is covered by artificial surfaces (87%) within 3 km, grassland (51%) and cropland (26%) within 16 km, and grassland (51%) within 80 km.

3 km
145 m
16 km
1,030 m
80 km
2,997 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Şemdinli 52 km · Oshnavīyeh 57 km · Yüksekova 70 km · Naqadeh 72 km · Ajab Shīr 73 km · Salmās 77 km · Āz̄arshahr 83 km · Shabestar 89 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 Orūmīyeh (37.5527°, 45.0761°, elevation 1,350 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).