Seyah Cheshmeh weather in September

In September, Seyah Cheshmeh sees average daytime highs of 21°C and overnight lows near 9°C, with 31 mm of rain across 7.5 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 19°C by the end. The sky is clear or mostly clear about 80% 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 Seyah Cheshmeh's 2nd-clearest and 9th-windiest month. For the whole year in context, see Seyah Cheshmeh's year-round climate.

Daytime high: 21°; 3rd warmest
Overnight low: 9°; 9th coldest
Rainfall: 31 mm; 7.5 wet days
Daylight: 12 h 18 min; 6:19 AM – 6:34 PM
Cloud cover: 23%; 2nd clearest
Wind: 5 km/h; 9th windiest
Solar energy: 5.58 kWh/m²
Travel score: 7.5; out of 10

Seyah Cheshmeh is city in West Azarbaijan Province, Iran.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Seyah Cheshmeh year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 19°C by the end.

A typical September day in Seyah Cheshmeh reaches about 21°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	24	24	24	24	23	23	23	23	23	22	22	22	22	22	21	21	21	21	21	20	20	20	20	19	19	19	19	19	18	18
Avg low (°C)	11	11	11	11	11	11	10	10	10	10	10	9	9	9	9	9	9	8	8	8	8	8	7	7	7	7	7	7	6	6

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	23	11
6	23	11
7	23	10
8	23	10
9	23	10
10	22	10
11	22	10
12	22	9
13	22	9
14	22	9
15	21	9
16	21	9
17	21	9
18	21	8
19	21	8
20	20	8
21	20	8
22	20	8
23	20	7
24	19	7
25	19	7
26	19	7
27	19	7
28	19	7
29	18	6
30	18	6

How September really feels in Seyah Cheshmeh

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

heat index over the day's high

Days feeling ≤ 0°C

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.

Seyah Cheshmeh weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	-1° / -11°	24	5.9	7	9.6	0.0
Feb	1° / -10°	31	7.9	8.1	10.5	0.0
Mar	6° / -4°	62	13.4	9	11.7	0.4
Apr	11° / 2°	95	18.5	4.4	13	2.3
May	16° / 6°	121	21.8	0.6	14.1	3.9
Jun	21° / 10°	78	15.6	0	14.7	6.1
Jul	25° / 14°	45	9.7	0	14.5	7.5
Aug	25° / 13°	30	7.5	0	13.5	7.9
Sep	21° / 9°	31	7.5	0	12.3	7.5
Oct	15° / 4°	39	10	0.8	11	4.7
Nov	7° / -3°	29	6.4	4.2	9.9	1.0
Dec	1° / -8°	24	6.5	6.7	9.3	0.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 80% 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 8%. Skies tend to cloud over as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	96	96	95	95	95	94	94	94	93	93	93	93	93	93	92	92	92	92	92	92	91	91	90	90	89	87	87	86	86	84
Cloudier (%)	4	4	5	5	5	6	6	6	7	7	7	7	7	7	8	8	8	8	8	8	9	9	10	10	11	13	13	14	14	16

	Clearer (%)	Cloudier (%)
1	96	4
2	96	4
3	95	5
4	95	5
5	95	5
6	94	6
7	94	6
8	94	6
9	93	7
10	93	7
11	93	7
12	93	7
13	93	7
14	93	7
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	91	9
22	91	9
23	90	10
24	90	10
25	89	11
26	87	13
27	87	13
28	86	14
29	86	14
30	84	16

Chance of precipitation in September

Any precipitation

Seyah Cheshmeh gets around 31 mm of rain over 7.5 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 26% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	25	24	24	23	23	23	23	23	23	23	23	23	24	24	25	25	26	26	27	27	28	28	29	29	30	31	31	32	32	33

	Rain chance (%)
1	25
2	24
3	24
4	23
5	23
6	23
7	23
8	23
9	23
10	23
11	23
12	23
13	24
14	24
15	25
16	25
17	26
18	26
19	27
20	27
21	28
22	28
23	29
24	29
25	30
26	31
27	31
28	32
29	32
30	33

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	4	4	4	4	4	4	4	4	4	4	4	4
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	calm

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 6:05 AM to 6:33 AM, and sunset from 6:59 PM to 6:11 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.9	12.9	12.8	12.8	12.7	12.7	12.6	12.6	12.6	12.5	12.5	12.4	12.4	12.3	12.3	12.3	12.2	12.2	12.1	12.1	12.0	12.0	11.9	11.9	11.9	11.8	11.8	11.7	11.7	11.6
Sunrise (AM)	6:05	6:06	6:07	6:08	6:09	6:10	6:11	6:12	6:13	6:14	6:15	6:16	6:16	6:17	6:18	6:19	6:20	6:21	6:22	6:23	6:24	6:25	6:26	6:27	6:28	6:29	6:30	6:31	6:32	6:33
Sunset (PM)	6:59	6:57	6:56	6:54	6:53	6:51	6:49	6:48	6:46	6:44	6:43	6:41	6:39	6:38	6:36	6:34	6:33	6:31	6:29	6:28	6:26	6:24	6:23	6:21	6:19	6:18	6:16	6:14	6:13	6:11

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.9	6:05	6:59
2	12.9	6:06	6:57
3	12.8	6:07	6:56
4	12.8	6:08	6:54
5	12.7	6:09	6:53
6	12.7	6:10	6:51
7	12.6	6:11	6:49
8	12.6	6:12	6:48
9	12.6	6:13	6:46
10	12.5	6:14	6:44
11	12.5	6:15	6:43
12	12.4	6:16	6:41
13	12.4	6:16	6:39
14	12.3	6:17	6:38
15	12.3	6:18	6:36
16	12.3	6:19	6:34
17	12.2	6:20	6:33
18	12.2	6:21	6:31
19	12.1	6:22	6:29
20	12.1	6:23	6:28
21	12.0	6:24	6:26
22	12.0	6:25	6:24
23	11.9	6:26	6:23
24	11.9	6:27	6:21
25	11.9	6:28	6:19
26	11.8	6:29	6:18
27	11.8	6:30	6:16
28	11.7	6:31	6:14
29	11.7	6:32	6:13
30	11.6	6:33	6:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.58 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 7.45 kWh/m² in June across the year — September's 5.58 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	6.3	6.2	6.2	6.2	6.1	6.1	6.0	6.0	5.9	5.9	5.8	5.8	5.7	5.7	5.6	5.5	5.5	5.4	5.4	5.3	5.3	5.2	5.2	5.1	5.1	5.0	5.0	4.9	4.9	4.8
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	6.3	Intense
2	6.2	Intense
3	6.2	Intense
4	6.2	Intense
5	6.1	Intense
6	6.1	Intense
7	6.0	Intense
8	6.0	Bright
9	5.9	Bright
10	5.9	Bright
11	5.8	Bright
12	5.8	Bright
13	5.7	Bright
14	5.7	Bright
15	5.6	Bright
16	5.5	Bright
17	5.5	Bright
18	5.4	Bright
19	5.4	Bright
20	5.3	Bright
21	5.3	Bright
22	5.2	Bright
23	5.2	Bright
24	5.1	Bright
25	5.1	Bright
26	5.0	Bright
27	5.0	Bright
28	4.9	Bright
29	4.9	Bright
30	4.8	Bright

Planning a trip in September

Hazard calendar for Seyah Cheshmeh

In seasonPeak

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

Seyah Cheshmeh's rainy season runs March–June, 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 Seyah Cheshmeh?

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

7.5

Sightseeing

2nd-best month of the year

4.7

Beach & pool

3rd-best month of the year

September is one of the better times to visit Seyah Cheshmeh for general sightseeing.

What to pack for Seyah Cheshmeh in September

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

In September, Seyah Cheshmeh sees daytime highs around 21°C and nights near 9°C. Worth packing: sun protection. About 8 days see rain.

sun protection

UV index in Seyah Cheshmeh 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 Seyah Cheshmeh peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	3	4	4	6	9	11	11	10	8	5	3	2
Level	Moderate	Moderate	Moderate	High	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	4	Moderate
Mar	4	Moderate
Apr	6	High
May	9	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	10	Extreme
Sep	8	Very high
Oct	5	High
Nov	3	Moderate
Dec	2	Moderate

Air quality in Seyah Cheshmeh 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 Seyah Cheshmeh is worst in May — around 27 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (January, 14 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	14	18	21	26	27	22	21	18	18	20	16	14
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	14	Moderate
Feb	18	Moderate
Mar	21	Moderate
Apr	26	Moderate
May	27	Moderate
Jun	22	Moderate
Jul	21	Moderate
Aug	18	Moderate
Sep	18	Moderate
Oct	20	Moderate
Nov	16	Moderate
Dec	14	Moderate

Location & terrain

Where is Seyah Cheshmeh?

Seyah Cheshmeh sits at 39.1°N, 44.4°E, 1,832 m above sea level, in Iran. The nearest listed city is Maku, 26 km away.

Topography around Seyah Cheshmeh

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

Within 3 km, the terrain around Seyah Cheshmeh has only modest variations in elevation — a maximum elevation change of 220 m around an average of 1,857 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,320 m.

The land around Seyah Cheshmeh is covered by cropland (52%) and grassland (23%) within 3 km, grassland (73%) within 16 km, and grassland (74%) within 80 km.

3 km

220 m

cropland 52%

16 km

1,402 m

grassland 73%

80 km

4,320 m

grassland 74%

grasslandcroplandartificial surfacesbare terrainwater

← August Seyah Cheshmeh year-round climate October →Best places to visit in September

September weather nearby: Maku 26 km · Showţ 37 km · Qarah Ẕīā’ od Dīn 59 km · Doğubayazıt 59 km · Poldasht 67 km · Khūy 75 km · Diyadin 81 km · Erciş 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

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 Seyah Cheshmeh (39.0651°, 44.3842°, elevation 1,832 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).

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	23	11
6	23	11
7	23	10
8	23	10
9	23	10
10	22	10
11	22	10
12	22	9
13	22	9
14	22	9
15	21	9
16	21	9
17	21	9
18	21	8
19	21	8
20	20	8
21	20	8
22	20	8
23	20	7
24	19	7
25	19	7
26	19	7
27	19	7
28	19	7
29	18	6
30	18	6

	Clearer (%)	Cloudier (%)
1	96	4
2	96	4
3	95	5
4	95	5
5	95	5
6	94	6
7	94	6
8	94	6
9	93	7
10	93	7
11	93	7
12	93	7
13	93	7
14	93	7
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	91	9
22	91	9
23	90	10
24	90	10
25	89	11
26	87	13
27	87	13
28	86	14
29	86	14
30	84	16

	Rain chance (%)
1	25
2	24
3	24
4	23
5	23
6	23
7	23
8	23
9	23
10	23
11	23
12	23
13	24
14	24
15	25
16	25
17	26
18	26
19	27
20	27
21	28
22	28
23	29
24	29
25	30
26	31
27	31
28	32
29	32
30	33

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	23	11
6	23	11
7	23	10
8	23	10
9	23	10
10	22	10
11	22	10
12	22	9
13	22	9
14	22	9
15	21	9
16	21	9
17	21	9
18	21	8
19	21	8
20	20	8
21	20	8
22	20	8
23	20	7
24	19	7
25	19	7
26	19	7
27	19	7
28	19	7
29	18	6
30	18	6

	Clearer (%)	Cloudier (%)
1	96	4
2	96	4
3	95	5
4	95	5
5	95	5
6	94	6
7	94	6
8	94	6
9	93	7
10	93	7
11	93	7
12	93	7
13	93	7
14	93	7
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	91	9
22	91	9
23	90	10
24	90	10
25	89	11
26	87	13
27	87	13
28	86	14
29	86	14
30	84	16

	Rain chance (%)
1	25
2	24
3	24
4	23
5	23
6	23
7	23
8	23
9	23
10	23
11	23
12	23
13	24
14	24
15	25
16	25
17	26
18	26
19	27
20	27
21	28
22	28
23	29
24	29
25	30
26	31
27	31
28	32
29	32
30	33

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	23	11
6	23	11
7	23	10
8	23	10
9	23	10
10	22	10
11	22	10
12	22	9
13	22	9
14	22	9
15	21	9
16	21	9
17	21	9
18	21	8
19	21	8
20	20	8
21	20	8
22	20	8
23	20	7
24	19	7
25	19	7
26	19	7
27	19	7
28	19	7
29	18	6
30	18	6

	Clearer (%)	Cloudier (%)
1	96	4
2	96	4
3	95	5
4	95	5
5	95	5
6	94	6
7	94	6
8	94	6
9	93	7
10	93	7
11	93	7
12	93	7
13	93	7
14	93	7
15	92	8
16	92	8
17	92	8
18	92	8
19	92	8
20	92	8
21	91	9
22	91	9
23	90	10
24	90	10
25	89	11
26	87	13
27	87	13
28	86	14
29	86	14
30	84	16

	Rain chance (%)
1	25
2	24
3	24
4	23
5	23
6	23
7	23
8	23
9	23
10	23
11	23
12	23
13	24
14	24
15	25
16	25
17	26
18	26
19	27
20	27
21	28
22	28
23	29
24	29
25	30
26	31
27	31
28	32
29	32
30	33

	Dry (%)
1	100
2	100
3	100
4	100
5	100
6	100
7	100
8	100
9	100
10	100
11	100
12	100
13	100
14	100
15	100
16	100
17	100
18	100
19	100
20	100
21	100
22	100
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	100