Fārsān weather in September

In September, Fārsān sees average daytime highs of 25°C and overnight lows near 10°C, with 1 mm of rain across 0.5 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 22°C by the end. The sky is clear or mostly clear about 89% 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 Fārsān's 1st-clearest and 6th-windiest month. For the whole year in context, see Fārsān's year-round climate.

Daytime high
25°
4th warmest
Overnight low
10°
9th coldest
Rainfall
1 mm
0.5 wet days
Daylight
12 h 12 min
5:56 AM – 6:08 PM
Cloud cover
12%
1st clearest
Wind
6 km/h
6th windiest
Solar energy
6.47 kWh/m²
Travel score
9.2
out of 10

Fārsān is city in Chaharmahal and Bakhtiari 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 22°C by the end.

A typical September day in Fārsān reaches about 25°C in the afternoon and slips back to 10°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°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)
12713
22713
32712
42712
52612
62612
72612
82612
92612
102611
112611
122511
132511
142511
152511
162510
172510
182410
192410
202410
212410
22249
23239
24239
25239
26239
27239
28228
29228
30228

How September really feels in Fārsān

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.

Fārsān 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-2° / -11°1089.810.310.10.0
Feb-1° / -9°1049.19.510.80.0
Mar / -4°1139.17.911.80.3
Apr12° / 658.7212.83.4
May19° / 235.8013.67.1
Jun26° / 12°31014.19.0
Jul29° / 15°10.3013.97.4
Aug28° / 14°10.3013.27.9
Sep25° / 10°10.5012.29.2
Oct18° / 143.4011.27.3
Nov10° / -2°676.23.610.32.3
Dec / -8°9187.99.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 2%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1982
2982
3982
4982
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24982
25982
26982
27973
28973
29973
30973

Chance of precipitation in September

Any precipitation

Fārsān gets around 1 mm of rain over 0.5 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 2% and peaks near 4% 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
232
242
252
263
273
283
294
304

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 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:05 AM, and sunset from 6:28 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:476:28
212.75:476:27
312.65:486:26
412.65:496:24
512.65:496:23
612.55:506:22
712.55:506:20
812.55:516:19
912.45:526:18
1012.45:526:16
1112.45:536:15
1212.35:546:13
1312.35:546:12
1412.35:556:11
1512.25:566:09
1612.25:566:08
1712.25:576:07
1812.15:586:05
1912.15:586:04
2012.15:596:02
2112.05:596:01
2212.06:006:00
2312.06:015:58
2411.96:015:57
2511.96:025:55
2611.96:035:54
2711.86:035:53
2811.86:045:51
2911.86:055:50
3011.76:055:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.47 kWh/m².

For context, solar energy here swings from a low near 3.45 kWh/m² to a high of 8.1 kWh/m² in June across the year — September's 6.47 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.8Intense
56.8Intense
66.8Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.6Intense
126.6Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.4Intense
186.4Intense
196.3Intense
206.3Intense
216.3Intense
226.2Intense
236.2Intense
246.2Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Bright
305.9Bright
Planning a trip in September

Hazard calendar for Fārsān

In seasonPeak

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

Fārsān's rainy season runs November–April, 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 Fārsān?

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

9.2
Sightseeing
1st-best month of the year
7.9
Beach & pool
4th-best month of the year

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

What to pack for Fārsān in September

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

In September, Fārsān sees daytime highs around 25°C and nights near 10°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Fārsān 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 Fārsān peaks around July 22 at about 13 (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 13Jan 11UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar8Very high
Apr8Very high
May12Extreme
Jun11Extreme
Jul13Extreme
Aug13Extreme
Sep9Very high
Oct8Very high
Nov5Moderate
Dec5Moderate

Air quality in Fārsān 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 Fārsān is worst in April — around 35 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1834 µg/m³Dec 1217 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb25Moderate
Mar30Moderate
Apr35Moderate
May32Moderate
Jun23Moderate
Jul25Moderate
Aug20Moderate
Sep21Moderate
Oct21Moderate
Nov18Moderate
Dec17Moderate
Location & terrain

Where is Fārsān?

Fārsān sits at 32.3°N, 50.6°E, 2,039 m above sea level, in Iran. The nearest listed city is Hafshejān, 22 km away.

Topography around Fārsān

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

Within 3 km, the terrain around Fārsān has significant variations in elevation — a maximum elevation change of 397 m around an average of 2,072 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,853 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,647 m.

The land around Fārsān is covered by cropland (50%) and grassland (24%) within 3 km, grassland (60%) and cropland (22%) within 16 km, and grassland (51%) and bare terrain (27%) within 80 km.

3 km
397 m
16 km
1,853 m
80 km
3,647 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Hafshejān 22 km · Shahr-e Kord 29 km · Farrokh Shahr 39 km · Sedeh Lanjān 72 km · Tīrān 75 km · Chamgordān 75 km · Borūjen 76 km · Varnāmkhvāst 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 Fārsān (32.2569°, 50.5609°, elevation 2,039 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).