Sanandaj weather in September

In September, Sanandaj sees average daytime highs of 29°C and overnight lows near 12°C, with 1 mm of rain across 0.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 26°C by the end. The sky is clear or mostly clear about 93% 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 Sanandaj's 1st-clearest and 6th-windiest month. For the whole year in context, see Sanandaj's year-round climate.

Daytime high
29°
4th warmest
Overnight low
12°
9th coldest
Rainfall
1 mm
0.5 wet days
Daylight
12 h 12 min
6:10 AM – 6:23 PM
Cloud cover
9%
1st clearest
Wind
8 km/h
6th windiest
Solar energy
6.26 kWh/m²
Travel score
7.3
out of 10

Sanandaj is city in Kurdistan Province, Iran.

Air quality
High
PM10 99.6 µg/m³ · 2010
Density
115/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 32°C in the first days to 26°C by the end.

A typical September day in Sanandaj reaches about 29°C in the afternoon and slips back to 12°C overnight — a 18°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, September runs about 5°C cooler than August and about 8°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13214
23214
33214
43214
53213
63113
73113
83113
93113
103112
113012
123012
133012
143012
153012
162911
172911
182911
192911
202811
212811
222810
232810
242710
252710
262710
272710
282610
29269
30269

How September really feels in Sanandaj

Once humidity and wind are folded in, September averages 3 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
3
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sanandaj 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°649.89.29.90.0
Feb / -6°679.6810.70.1
Mar10° / -1°7611.25.211.72.4
Apr16° / 6210.70.712.95.2
May23° / 296.8013.87.5
Jun30° / 14°20.5014.36.7
Jul34° / 17°10.2014.13.8
Aug34° / 16°00.2013.33.9
Sep29° / 12°10.5012.27.3
Oct22° / 265011.17.9
Nov13° / 527.71.410.13.7
Dec / -4°578.35.99.70.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 93% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 2%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22982
23982
24973
25973
26973
27973
28955
29955
30955

Chance of precipitation in September

Any precipitation

Sanandaj gets around 1 mm of rain over 0.5 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 2% and peaks near 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
132
142
152
162
172
182
192
202
212
222
233
243
254
264
275
285
296
306

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 5:58 AM to 6:21 AM, and sunset from 6:45 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:586:45
212.75:596:44
312.76:006:42
412.76:016:41
512.66:016:39
612.66:026:38
712.66:036:36
812.56:046:35
912.56:046:33
1012.46:056:32
1112.46:066:30
1212.46:076:29
1312.36:076:27
1412.36:086:26
1512.36:096:24
1612.26:106:23
1712.26:116:21
1812.16:116:20
1912.16:126:18
2012.16:136:17
2112.06:146:15
2212.06:146:14
2312.06:156:12
2411.96:166:11
2511.96:176:09
2611.86:186:08
2711.86:186:06
2811.86:196:05
2911.76:206:03
3011.76:216:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.26 kWh/m².

For context, solar energy here swings from a low near 2.73 kWh/m² to a high of 8.06 kWh/m² in June across the year — September's 6.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.7Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.5Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.3Intense
156.3Intense
166.2Intense
176.2Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.6Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Sanandaj?

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

7.3
Sightseeing
3rd-best month of the year
8.9
Beach & pool
1st-best month of the year

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

What to pack for Sanandaj in September

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

In September, Sanandaj sees daytime highs around 29°C and nights near 12°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Sanandaj in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sanandaj peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 14UV 11Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sanandaj 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 Sanandaj is worst in May — around 35 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMay 935 µg/m³Dec 2323 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar32Moderate
Apr35Moderate
May35Poor
Jun28Moderate
Jul27Moderate
Aug24Moderate
Sep27Moderate
Oct27Moderate
Nov24Moderate
Dec23Moderate
Location & terrain

Where is Sanandaj?

Sanandaj sits at 35.3°N, 47.0°E, 1,494 m above sea level, in Iran. The nearest listed city is Kāmyārān, 58 km away.

Topography around Sanandaj

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

Within 3 km, the terrain around Sanandaj has significant variations in elevation — a maximum elevation change of 541 m around an average of 1,555 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,335 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,736 m.

The land around Sanandaj is covered by artificial surfaces (55%) and grassland (30%) within 3 km, grassland (75%) within 16 km, and grassland (59%) and cropland (37%) within 80 km.

3 km
541 m
16 km
1,335 m
80 km
2,736 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kāmyārān 58 km · Pāveh 66 km · Dīvāndarreh 67 km · Javānrūd 73 km · Ravānsar 74 km · Qorveh 75 km · Marīvān 77 km · Sonqor 81 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 Sanandaj (35.315°, 46.9988°, elevation 1,494 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).