‘Eyn-e Do weather in September

In September, ‘Eyn-e Do sees average daytime highs of 43°C and overnight lows near 27°C, with 1 mm of rain across 0.4 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 45°C in the first days to 41°C by the end. The sky is clear or mostly clear about 99% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is ‘Eyn-e Do's 2nd-clearest and 7th-windiest month. For the whole year in context, see ‘Eyn-e Do's year-round climate.

Daytime high
43°
4th warmest
Overnight low
27°
9th coldest
Rainfall
1 mm
0.4 wet days
Daylight
12 h 12 min
6:04 AM – 6:16 PM
Cloud cover
3%
2nd clearest
Wind
12 km/h
7th windiest
Solar energy
6.3 kWh/m²
Travel score
0.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 45°C in the first days to 41°C by the end.

A typical September day in ‘Eyn-e Do reaches about 43°C in the afternoon and slips back to 27°C overnight — a 17°C spread between the day's warmth and the night's chill. On most days the high lands between 41°C and 46°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

20°30°40°50°151015202530
Avg high (°C)Avg low (°C)
14629
24529
34529
44529
54528
64528
74528
84428
94428
104428
114427
124427
134427
144427
154327
164327
174326
184326
194326
204326
214226
224226
234226
244225
254225
264125
274125
284125
294125
304024

How September really feels in ‘Eyn-e Do

Once humidity and wind are folded in, September averages 30 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
30
30 feel dangerously hot (≥ 39°C)
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.

‘Eyn-e Do weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 536.510.26.8
Feb21° / 10°334.610.97.8
Mar27° / 14°364.311.87.8
Apr33° / 20°19312.74.2
May40° / 26°50.713.60.5
Jun45° / 30°00140.0
Jul47° / 32°00.113.80.0
Aug47° / 31°10.213.10.0
Sep43° / 27°10.412.20.0
Oct37° / 22°81.311.22.3
Nov27° / 15°564.210.47.4
Dec20° / 10°646.4107.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 99% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 1% of September, with mostly cloudy or overcast conditions the remaining 0%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
23991
24991
25982
26982
27982
28982
29982
30982

Chance of precipitation in September

Any precipitation

‘Eyn-e Do gets around 1 mm of rain over 0.4 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
262
272
282
292
302

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1786673
2796663
3805663
4805663
5815653
6815653
7824653
8844642
9844642
10844642
11854632
12854632
13854632
14864631
15855631
16865621
17865621
18875521
19875521
20875521
21875521
22865531
23865531
24865531
25865531
26865531
27865531
28865531
29875431
30875431

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 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 60 minutes over September. Sunrise moves from 5:55 AM to 6:13 AM, and sunset from 6:35 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:556:35
212.65:566:34
312.65:566:33
412.65:576:32
512.55:586:30
612.55:586:29
712.55:596:28
812.45:596:26
912.46:006:25
1012.46:016:24
1112.46:016:22
1212.36:026:21
1312.36:026:20
1412.36:036:18
1512.26:046:17
1612.26:046:16
1712.26:056:14
1812.16:056:13
1912.16:066:12
2012.16:076:10
2112.06:076:09
2212.06:086:07
2312.06:096:06
2411.96:096:05
2511.96:106:03
2611.96:106:02
2711.86:116:01
2811.86:125:59
2911.86:125:58
3011.76:135:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.3 kWh/m².

For context, solar energy here swings from a low near 3.05 kWh/m² to a high of 7.86 kWh/m² in June across the year — September's 6.3 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
126.5Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.3Intense
186.2Intense
196.2Intense
206.1Intense
216.1Intense
226.0Intense
236.0Intense
246.0Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
Planning a trip in September

Hazard calendar for ‘Eyn-e Do

In seasonPeak

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

‘Eyn-e Do sees seasonal dust haze (March–July), heaviest in May.

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

Is September a good time to visit ‘Eyn-e Do?

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

0.0
Sightseeing
9th-best month of the year
1.0
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in ‘Eyn-e Do.

What to pack for ‘Eyn-e Do in September

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

In September, ‘Eyn-e Do sees daytime highs around 43°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

UV index in ‘Eyn-e Do in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in ‘Eyn-e Do peaks around July 13 at about 10 (very high) — 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 highHighModerateJul 13UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr6High
May7Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep6High
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in ‘Eyn-e Do 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 ‘Eyn-e Do is worst in May — around 62 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMay 1161 µg/m³Aug 1844 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb56Unhealthy
Mar60Unhealthy
Apr58Unhealthy
May62Unhealthy
Jun45Poor
Jul45Poor
Aug43Poor
Sep45Poor
Oct47Poor
Nov49Poor
Dec51Poor
Location & terrain

Where is ‘Eyn-e Do?

‘Eyn-e Do sits at 31.3°N, 48.6°E, 18 m above sea level, in Iran. The nearest listed city is Ahvaz, 8.0 km away.

Topography around ‘Eyn-e Do

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of ‘Eyn-e Do.

Within 3 km, the terrain around ‘Eyn-e Do has only modest variations in elevation — a maximum elevation change of 32 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 82 m; within 80 km, large variations in elevation — a maximum elevation change of 627 m.

The land around ‘Eyn-e Do is covered by bare terrain (48%) and cropland (27%) within 3 km, cropland (42%) and bare terrain (25%) within 16 km, and cropland (43%) and bare terrain (37%) within 80 km.

3 km
32 m
16 km
82 m
80 km
627 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Ahvaz 8.0 km · Kūt-e ‘Abdollāh 13 km · Sheybān 20 km · Ḥamīdiyeh 22 km · Veys 30 km · Sūsangerd 46 km · Hoveyzeh 52 km · Shādegān 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 ‘Eyn-e Do (31.3456°, 48.6006°, elevation 18 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).