Dārān weather in September

In September, Dārān sees average daytime highs of 25°C and overnight lows near 12°C, with 2 mm of rain across 0.7 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 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 82% 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 Dārān's 1st-clearest and 7th-windiest month. For the whole year in context, see Dārān's year-round climate.

Daytime high
25°
4th warmest
Overnight low
12°
9th coldest
Rainfall
2 mm
0.7 wet days
Daylight
12 h 12 min
5:57 AM – 6:09 PM
Cloud cover
17%
1st clearest
Wind
7 km/h
7th windiest
Solar energy
6.38 kWh/m²
Travel score
9.0
out of 10

Dārān 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 27°C in the first days to 23°C by the end.

A typical September day in Dārān reaches about 25°C in the afternoon and slips back to 12°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12814
22714
32714
42714
52713
62713
72713
82713
92713
102613
112612
122612
132612
142612
152612
162512
172511
182511
192511
202511
212411
222410
232410
242410
252310
262310
272310
28239
29239
30229

How September really feels in Dārān

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
0
heat index over the day's high
Days feeling ≤ C
0
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.

Dārān 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 / -9°375.85.910.10.0
Feb / -7°375.55.210.80.1
Mar / -3°416.14.311.71.8
Apr14° / 2970.712.84.7
May20° / 205.5013.77.4
Jun27° / 14°41.1014.18.4
Jul30° / 17°10.10146.6
Aug29° / 16°10.3013.27.3
Sep25° / 12°20.7012.29.0
Oct19° / 123.7011.27.3
Nov11° / -0°304.61.910.32.9
Dec / -6°315.24.79.90.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 4%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3955
4955
5955
6955
7955
8955
9964
10973
11973
12973
13973
14973
15982
16982
17982
18982
19982
20982
21982
22973
23973
24973
25973
26973
27955
28955
29955
30955

Chance of precipitation in September

Any precipitation

Dārān gets around 2 mm of rain over 0.7 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 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
212
222
233
243
253
263
273
284
294
305

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 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
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 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 5:47 AM to 6:06 AM, and sunset from 6:30 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:476:30
212.75:476:28
312.65:486:27
412.65:496:25
512.65:496:24
612.55:506:23
712.55:516:21
812.55:516:20
912.45:526:19
1012.45:536:17
1112.45:536:16
1212.35:546:14
1312.35:556:13
1412.35:556:12
1512.25:566:10
1612.25:576:09
1712.25:576:07
1812.15:586:06
1912.15:596:04
2012.15:596:03
2112.06:006:02
2212.06:016:00
2312.06:015:59
2411.96:025:57
2511.96:035:56
2611.96:035:55
2711.86:045:53
2811.86:055:52
2911.76:065:50
3011.76:065:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.38 kWh/m².

For context, solar energy here swings from a low near 3.34 kWh/m² to a high of 7.96 kWh/m² in June across the year — September's 6.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.7Intense
66.7Intense
76.7Intense
86.6Intense
96.6Intense
106.6Intense
116.5Intense
126.5Intense
136.5Intense
146.4Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Dārān?

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

9.0
Sightseeing
1st-best month of the year
8.0
Beach & pool
4th-best month of the year

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

What to pack for Dārān in September

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

In September, Dārān sees daytime highs around 25°C and nights near 12°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Dārān 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 Dārān peaks around July 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 22UV 12Jan 11UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar8Very high
Apr8Very high
May12Extreme
Jun11Extreme
Jul13Extreme
Aug12Extreme
Sep9Very high
Oct8Very high
Nov5Moderate
Dec4Moderate

Air quality in Dārān 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 Dārān is worst in April — around 34 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2134 µg/m³Dec 1417 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb24Moderate
Mar29Moderate
Apr34Moderate
May33Moderate
Jun24Moderate
Jul26Moderate
Aug20Moderate
Sep22Moderate
Oct22Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Dārān?

Dārān sits at 33.0°N, 50.4°E, 2,312 m above sea level, in Iran. The nearest listed city is Khānsār, 27 km away.

Topography around Dārān

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

Within 3 km, the terrain around Dārān has significant variations in elevation — a maximum elevation change of 542 m around an average of 2,360 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,746 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,982 m.

The land around Dārān is covered by cropland (40%) and grassland (29%) within 3 km, cropland (51%), grassland (25%) and bare terrain (22%) within 16 km, and bare terrain (46%), grassland (32%) and cropland (20%) within 80 km.

3 km
542 m
16 km
1,746 m
80 km
2,982 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Khānsār 27 km · Golpāyegān 53 km · Tīrān 76 km · Khomeyn 79 km · Alīgūdarz 81 km · Fārsān 82 km · Shahr-e Kord 85 km · Hafshejān 92 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 Dārān (32.9874°, 50.4108°, elevation 2,312 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).