Borāzjān weather in September

In September, Borāzjān sees average daytime highs of 40°C and overnight lows near 24°C, with 1 mm of rain across 0.2 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 41°C in the first days to 38°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 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Borāzjān's 2nd-clearest and 5th-windiest month. For the whole year in context, see Borāzjān's year-round climate.

Daytime high
40°
4th warmest
Overnight low
24°
9th coldest
Rainfall
1 mm
0.2 wet days
Daylight
12 h 12 min
5:54 AM – 6:05 PM
Cloud cover
3%
2nd clearest
Wind
7 km/h
5th windiest
Solar energy
6.38 kWh/m²
Travel score
0.5
out of 10

Borāzjān is city in Bushehr Province, Iran.

Founded
1928

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 41°C in the first days to 38°C by the end.

A typical September day in Borāzjān reaches about 40°C in the afternoon and slips back to 24°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 37°C and 42°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
14127
24126
34126
44126
54126
64126
74126
84025
94025
104025
114025
124025
134025
144024
154024
164024
174024
183924
193924
203923
213923
223923
233923
243923
253923
263823
273822
283822
293822
303822

How September really feels in Borāzjān

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
21 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.

Borāzjān 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
Jan19° / 737.110.36.9
Feb21° / 10°344.610.97.8
Mar26° / 14°283.911.88.2
Apr32° / 18°11212.75.0
May38° / 24°20.513.41.1
Jun42° / 27°0013.80.0
Jul43° / 29°00.113.70.0
Aug42° / 28°10.313.10.0
Sep40° / 24°10.212.20.5
Oct35° / 19°10.311.33.6
Nov27° / 14°242.910.57.7
Dec21° / 10°585.610.27.7

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 0% 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
231000
24991
25991
26991
27991
28991
29991
30991

Chance of precipitation in September

Any precipitation

Borāzjān gets around 1 mm of rain over 0.2 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 1% 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
171
181
191
201
211
221
231
241
251
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 52% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
136161815122
238161815122
339151815112
441151814111
542151814101
644151713101
74515171291
84615171291
94815171191
104915161081
115015161081
12521516971
13521615971
14541615860
15541715860
16541814860
17561814750
18551914750
19561914740
20561914740
21571914730
22581914630
23581914630
24591914620
25591914620
26601814620
27611814610
28621814510
29631714510
30631714510

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 36 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over September. Sunrise moves from 5:46 AM to 6:02 AM, and sunset from 6:23 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:466:23
212.65:476:22
312.65:476:21
412.55:486:20
512.55:486:18
612.55:496:17
712.45:506:16
812.45:506:15
912.45:516:14
1012.45:516:12
1112.35:526:11
1212.35:526:10
1312.35:536:08
1412.25:536:07
1512.25:546:06
1612.25:546:05
1712.15:556:03
1812.15:556:02
1912.15:566:01
2012.15:566:00
2112.05:575:58
2212.05:575:57
2312.05:585:56
2411.95:595:54
2511.95:595:53
2611.96:005:52
2711.86:005:51
2811.86:015:49
2911.86:015:48
3011.86:025:47

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 3.42 kWh/m² to a high of 7.86 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
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.6Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.4Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.0Intense
286.0Intense
296.0Bright
305.9Bright
Planning a trip in September

Hazard calendar for Borāzjān

In seasonPeak

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

Borāzjān sees seasonal dust haze (March–May), heaviest in April.

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

Is September a good time to visit Borāzjān?

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

0.5
Sightseeing
9th-best month of the year
3.7
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Borāzjān.

What to pack for Borāzjān in September

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

In September, Borāzjān sees daytime highs around 40°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Borāzjān in September

The nearest coast averages about 32°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 55 km away) is warmest in August at about 33°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 22 to Jan 15 — about 9.9 months when the water holds above 20°C.

15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb19Cool
Mar20Cool
Apr22Refreshing
May26Warm
Jun29Tropical
Jul32Tropical
Aug33Tropical
Sep32Tropical
Oct30Tropical
Nov26Warm
Dec23Refreshing

UV index in Borāzjān 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 Borāzjān peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJun 20UV 10Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb6High
Mar7High
Apr6High
May8Very high
Jun10Extreme
Jul9Very high
Aug9Very high
Sep7High
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Borāzjān 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 Borāzjān is worst in May — around 43 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (November, 25 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1342 µg/m³Nov 2225 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar38Poor
Apr40Poor
May43Poor
Jun35Moderate
Jul42Poor
Aug37Poor
Sep31Moderate
Oct30Moderate
Nov25Moderate
Dec25Moderate
Location & terrain

Where is Borāzjān?

Borāzjān sits at 29.3°N, 51.2°E, 70 m above sea level, in Iran. The nearest listed city is Āb Pakhsh, 17 km away.

Topography around Borāzjān

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

Within 3 km, the terrain around Borāzjān has only modest variations in elevation — a maximum elevation change of 135 m around an average of 82 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,765 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,804 m.

The land around Borāzjān is covered by artificial surfaces (52%) and bare terrain (20%) within 3 km, cropland (31%), grassland (28%) and bare terrain (26%) within 16 km, and grassland (35%) and bare terrain (32%) within 80 km.

3 km
135 m
16 km
1,765 m
80 km
2,804 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Āb Pakhsh 17 km · Choghādak 36 km · ‘Ālī Shahr 40 km · Ahram 43 km · Bushehr 50 km · Kāzerūn 57 km · Khūrmūj 70 km · Qā’emīyeh 74 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 Borāzjān (29.2699°, 51.2188°, elevation 70 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).