Oshnavīyeh weather in September

In September, Oshnavīyeh sees average daytime highs of 24°C and overnight lows near 11°C, with 10 mm of rain across 2.4 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 21°C by the end. The sky is clear or mostly clear about 90% 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 Oshnavīyeh's 1st-clearest and 4th-windiest month. For the whole year in context, see Oshnavīyeh's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
11°
9th coldest
Rainfall
10 mm
2.4 wet days
Daylight
12 h 12 min
6:17 AM – 6:31 PM
Cloud cover
13%
1st clearest
Wind
8 km/h
4th windiest
Solar energy
5.94 kWh/m²
Travel score
8.8
out of 10

Oshnavīyeh is city in West Azerbaijan 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 27°C in the first days to 21°C by the end.

A typical September day in Oshnavīyeh reaches about 24°C in the afternoon and slips back to 11°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°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)
12713
22713
32713
42713
52613
62612
72612
82612
92612
102612
112512
122511
132511
142511
152511
162411
172411
182410
192410
202310
212310
222310
23239
24229
25229
26229
27229
28218
29218
30218

How September really feels in Oshnavīyeh

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.

Oshnavīyeh weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -9°9410.411.29.70.0
Feb / -7°11010.610.910.60.0
Mar / -3°1221210.311.70.2
Apr11° / 10613.32.912.92.5
May18° / 7013.20.1145.6
Jun24° / 12°184.8014.58.4
Jul28° / 15°122.7014.37.8
Aug29° / 15°72013.47.7
Sep24° / 11°102.4012.38.8
Oct17° / 437.50.2116.2
Nov / -1°769.14.4101.5
Dec / -7°889.39.59.50.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 90% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 3%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1982
2982
3991
4991
5991
6991
7991
8991
9991
10991
11982
12982
13982
14982
15982
16982
17973
18973
19973
20973
21964
22964
23955
24946
25946
26946
27937
28937
29928
30919

Chance of precipitation in September

Any precipitation

Oshnavīyeh 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 9% and peaks near 13% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
17
27
37
47
56
66
76
86
97
107
117
127
138
148
158
168
178
189
199
209
219
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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 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
258calm
268calm
278calm
288calm
298calm
308calm

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 6:54 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.86:046:54
212.86:056:53
312.86:066:51
412.76:076:50
512.76:086:48
612.66:096:47
712.66:096:45
812.66:106:44
912.56:116:42
1012.56:126:40
1112.46:136:39
1212.46:146:37
1312.46:146:36
1412.36:156:34
1512.36:166:33
1612.26:176:31
1712.26:186:29
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
2611.86:256:15
2711.86:266:14
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 5.94 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 7.77 kWh/m² in June across the year — September's 5.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
36.5Intense
46.5Intense
56.4Intense
66.4Intense
76.3Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.0Intense
156.0Bright
165.9Bright
175.9Bright
185.8Bright
195.8Bright
205.7Bright
215.7Bright
225.6Bright
235.5Bright
245.5Bright
255.5Bright
265.4Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Oshnavīyeh

In seasonPeak

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

Oshnavīyeh's rainy season runs November–May, 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 Oshnavīyeh?

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

8.8
Sightseeing
1st-best month of the year
7.3
Beach & pool
3rd-best month of the year

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

What to pack for Oshnavīyeh in September

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

In September, Oshnavīyeh sees daytime highs around 24°C and nights near 11°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Oshnavīyeh 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 Oshnavīyeh peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 19UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Oshnavīyeh 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 Oshnavīyeh is worst in May — around 37 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1036 µg/m³Dec 1825 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb28Moderate
Mar35Moderate
Apr36Poor
May37Poor
Jun29Moderate
Jul27Moderate
Aug26Moderate
Sep26Moderate
Oct29Moderate
Nov25Moderate
Dec25Moderate
Location & terrain

Where is Oshnavīyeh?

Oshnavīyeh sits at 37.0°N, 45.1°E, 1,443 m above sea level, in Iran. The nearest listed city is Naqadeh, 27 km away.

Topography around Oshnavīyeh

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

Within 3 km, the terrain around Oshnavīyeh has significant variations in elevation — a maximum elevation change of 480 m around an average of 1,516 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,952 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,212 m.

The land around Oshnavīyeh is covered by grassland (46%) and trees (20%) within 3 km, grassland (70%) and cropland (24%) within 16 km, and grassland (64%) within 80 km.

3 km
480 m
16 km
1,952 m
80 km
3,212 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Naqadeh 27 km · Piranshahr 38 km · Şemdinli 55 km · Orūmīyeh 57 km · Mahābād 63 km · Soran 65 km · Ṟuwandiz 70 km · Khalīfān 78 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 Oshnavīyeh (37.0397°, 45.0983°, elevation 1,443 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).