Shahrak-e ‘Alā’īn weather in September

In September, Shahrak-e ‘Alā’īn sees average daytime highs of 32°C and overnight lows near 19°C, with 1 mm of rain across 0.3 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 30°C by the end. The sky is clear or mostly clear about 96% 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 Shahrak-e ‘Alā’īn's 2nd-clearest and 7th-windiest month. For the whole year in context, see Shahrak-e ‘Alā’īn's year-round climate.

Daytime high
32°
4th warmest
Overnight low
19°
9th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 h 12 min
5:52 AM – 6:05 PM
Cloud cover
7%
2nd clearest
Wind
7 km/h
7th windiest
Solar energy
6.04 kWh/m²
Travel score
5.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 30°C by the end.

A typical September day in Shahrak-e ‘Alā’īn reaches about 32°C in the afternoon and slips back to 19°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13522
23522
33522
43422
53421
63421
73421
83421
93421
103320
113320
123320
133320
143320
153319
163219
173219
183219
193219
203118
213118
223118
233118
243118
253017
263017
273017
283017
292917
302916

How September really feels in Shahrak-e ‘Alā’īn

Once humidity and wind are folded in, September averages 17 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
17
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.

Shahrak-e ‘Alā’īn weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°387.62.69.91.8
Feb11° / 397.81.410.73.0
Mar16° / 508.80.611.75.5
Apr23° / 11°366.6012.97.4
May29° / 17°132.7013.96.6
Jun35° / 23°20.5014.43.2
Jul38° / 26°10.3014.21.5
Aug37° / 24°10.2013.32.3
Sep32° / 19°10.3012.25.4
Oct25° / 13°142.6011.18.4
Nov16° / 406.70.310.15.6
Dec10° / 407.519.62.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 96% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 1%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21982
22982
23982
24973
25973
26973
27973
28964
29955
30955

Chance of precipitation in September

Any precipitation

Shahrak-e ‘Alā’īn gets around 1 mm of rain over 0.3 wet days in September, the driest month. 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 (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
172
182
192
202
212
222
232
242
252
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 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 7 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
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
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 5:40 AM to 6:03 AM, and sunset from 6:28 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:406:28
212.85:416:26
312.75:426:25
412.75:436:23
512.65:436:22
612.65:446:20
712.65:456:19
812.55:466:17
912.55:466:16
1012.55:476:14
1112.45:486:13
1212.45:496:11
1312.35:506:10
1412.35:506:08
1512.35:516:07
1612.25:526:05
1712.25:536:04
1812.15:536:02
1912.15:546:01
2012.15:555:59
2112.05:565:58
2212.05:575:56
2312.05:575:54
2411.95:585:53
2511.95:595:51
2611.86:005:50
2711.86:015:48
2811.86:015:47
2911.76:025:45
3011.76:035:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.04 kWh/m².

For context, solar energy here swings from a low near 2.73 kWh/m² to a high of 7.85 kWh/m² in June across the year — September's 6.04 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.0Intense
166.0Intense
176.0Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Shahrak-e ‘Alā’īn?

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

5.4
Sightseeing
6th-best month of the year
8.5
Beach & pool
1st-best month of the year

September is a reasonable time to visit Shahrak-e ‘Alā’īn for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Shahrak-e ‘Alā’īn in September

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

In September, Shahrak-e ‘Alā’īn sees daytime highs around 32°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Shahrak-e ‘Alā’īn in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shahrak-e ‘Alā’īn peaks around July 17 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 highVery highHighModerateJul 17UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep7Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Shahrak-e ‘Alā’īn 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 Shahrak-e ‘Alā’īn is worst in December — around 149 µg/m³ PM2.5 (unhealthy), about 3.5× the cleanest month (July, 42 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyDec 22148 µg/m³Jul 1943 µg/m³
PM2.5 (µg/m³)Level
Jan145Unhealthy
Feb126Unhealthy
Mar95Unhealthy
Apr88Unhealthy
May72Unhealthy
Jun52Poor
Jul42Poor
Aug47Poor
Sep62Unhealthy
Oct86Unhealthy
Nov123Unhealthy
Dec149Unhealthy
Location & terrain

Where is Shahrak-e ‘Alā’īn?

Shahrak-e ‘Alā’īn sits at 35.6°N, 51.5°E, 1,048 m above sea level, in Iran. The nearest listed city is Bāqershahr, 7.0 km away.

Topography around Shahrak-e ‘Alā’īn

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Shahrak-e ‘Alā’īn.

Within 3 km, the terrain around Shahrak-e ‘Alā’īn has significant variations in elevation — a maximum elevation change of 425 m around an average of 1,062 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,187 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,817 m.

The land around Shahrak-e ‘Alā’īn is covered by artificial surfaces (39%) and cropland (34%) within 3 km, artificial surfaces (36%), cropland (28%) and bare terrain (20%) within 16 km, and bare terrain (47%) and grassland (32%) within 80 km.

3 km
425 m
16 km
1,187 m
80 km
4,817 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Bāqershahr 7.0 km · Morteẕá Gerd 10 km · Tehran 13 km · Chahār Dangeh 13 km · Vaḩīdīyeh 15 km · Ferūnābād 17 km · Qīāmdasht 19 km · Eslamshahr 20 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 Shahrak-e ‘Alā’īn (35.5823°, 51.4556°, elevation 1,048 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).