Ardestān weather in September

In September, Ardestān sees average daytime highs of 33°C and overnight lows near 20°C, with 0 mm of rain across 0 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 31°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 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 Ardestān's 2nd-clearest and 6th-windiest month. For the whole year in context, see Ardestān's year-round climate.

Daytime high
33°
4th warmest
Overnight low
20°
9th coldest
Rainfall
0 mm
0 wet days
Daylight
12 h 12 min
5:49 AM – 6:01 PM
Cloud cover
7%
2nd clearest
Wind
9 km/h
6th windiest
Solar energy
6.31 kWh/m²
Travel score
4.6
out of 10

Ardestān is city in Isfahan 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 35°C in the first days to 31°C by the end.

A typical September day in Ardestān reaches about 33°C in the afternoon and slips back to 20°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13622
23622
33522
43522
53522
63522
73521
83521
93521
103521
113421
123421
133420
143420
153420
163420
173320
183320
193319
203319
213319
223219
233219
243219
253218
263218
273118
283118
293118
303117

How September really feels in Ardestān

Once humidity and wind are folded in, September averages 24 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
24
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.

Ardestān weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 244.71.9103.6
Feb15° / 204110.85.2
Mar20° / 2750.311.77.3
Apr25° / 14°204.1012.87.8
May31° / 19°82.1013.75.7
Jun36° / 23°10.1014.22.7
Jul38° / 26°000141.2
Aug37° / 24°00013.22.0
Sep33° / 20°00012.24.6
Oct27° / 14°41.2011.28.2
Nov18° / 193.60.310.36.9
Dec13° / 184.30.59.84.6

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%.

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
21991
22991
23991
24982
25982
26982
27973
28973
29973
30973

Chance of precipitation in September

Any precipitation

Ardestān gets around 0 mm of rain over 0 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
261
271
281
291
301

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 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:38 AM to 5:59 AM, and sunset from 6:22 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:386:22
212.75:396:21
312.75:406:19
412.65:416:18
512.65:416:17
612.65:426:15
712.55:436:14
812.55:436:12
912.45:446:11
1012.45:456:10
1112.45:456:08
1212.35:466:07
1312.35:476:05
1412.35:476:04
1512.25:486:02
1612.25:496:01
1712.25:496:00
1812.15:505:58
1912.15:515:57
2012.15:515:55
2112.05:525:54
2212.05:535:52
2312.05:545:51
2411.95:545:50
2511.95:555:48
2611.85:565:47
2711.85:565:45
2811.85:575:44
2911.75:585:42
3011.75:595:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.31 kWh/m².

For context, solar energy here swings from a low near 3.1 kWh/m² to a high of 7.9 kWh/m² in June across the year — September's 6.31 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.9Intense
26.8Intense
36.8Intense
46.8Intense
56.7Intense
66.7Intense
76.7Intense
86.6Intense
96.6Intense
106.5Intense
116.5Intense
126.4Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.1Intense
216.1Intense
226.0Intense
236.0Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Ardestān

In seasonPeak

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

Ardestān sees seasonal dust haze (July), heaviest in July.

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

Is September a good time to visit Ardestān?

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

4.6
Sightseeing
7th-best month of the year
8.1
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Ardestān for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ardestān in September

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

In September, Ardestān sees daytime highs around 33°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ardestān 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 Ardestān peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 17UV 11Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar6High
Apr8Very high
May10Extreme
Jun10Extreme
Jul12Extreme
Aug10Extreme
Sep9Very high
Oct7High
Nov4Moderate
Dec4Moderate

Air quality in Ardestān 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 Ardestān is worst in July — around 45 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1643 µg/m³Nov 2120 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar31Moderate
Apr38Poor
May38Poor
Jun36Poor
Jul45Poor
Aug33Moderate
Sep32Moderate
Oct25Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Ardestān?

Ardestān sits at 33.4°N, 52.4°E, 1,219 m above sea level, in Iran. The nearest listed city is Naţanz, 44 km away.

Isfahan

Topography around Ardestān

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

Within 3 km, the terrain around Ardestān has only modest variations in elevation — a maximum elevation change of 145 m around an average of 1,199 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,226 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,889 m.

The land around Ardestān is covered by bare terrain (71%) within 3 km, bare terrain (91%) within 16 km, and bare terrain (97%) within 80 km.

3 km
145 m
16 km
1,226 m
80 km
2,889 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Naţanz 44 km · Nā’īn 88 km · Dowlatābād 90 km · Dastgerd 92 km · Gaz-e Borkhar 95 km · Khowrzūq 95 km · Shāhīn Shahr 96 km · Isfahan 104 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 Ardestān (33.3794°, 52.3698°, elevation 1,219 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).