Khorramabad weather in September

In September, Khorramabad sees average daytime highs of 31°C and overnight lows near 13°C, with 1 mm of rain across 0.2 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 33°C in the first days to 28°C by the end. The sky is clear or mostly clear about 97% 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 Khorramabad's 1st-clearest and 6th-windiest month. For the whole year in context, see Khorramabad's year-round climate.

Daytime high
31°
4th warmest
Overnight low
13°
9th coldest
Rainfall
1 mm
0.2 wet days
Daylight
12 h 12 min
6:05 AM – 6:17 PM
Cloud cover
6%
1st clearest
Wind
6 km/h
6th windiest
Solar energy
6.39 kWh/m²
Travel score
6.4
out of 10

Khorramabad is city in Lorestan 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 33°C in the first days to 28°C by the end.

A typical September day in Khorramabad reaches about 31°C in the afternoon and slips back to 13°C overnight — a 18°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°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)
13415
23315
33315
43314
53314
63314
73314
83214
93213
103213
113213
123213
133113
143113
153113
163112
173112
183012
193012
203012
213012
223012
232911
242911
252911
262911
272811
282811
292811
302810

How September really feels in Khorramabad

Once humidity and wind are folded in, September averages 10 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
10
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.

Khorramabad 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 / -4°9610.46.9100.8
Feb / -2°9010.65.810.81.7
Mar13° / 10711.42.511.73.7
Apr18° / 799.7012.86.1
May25° / 10°224.5013.78.0
Jun32° / 14°10.3014.25.5
Jul36° / 18°00.10143.0
Aug35° / 17°00013.23.3
Sep31° / 13°10.2012.26.4
Oct24° / 243.4011.28.4
Nov15° / 667.90.210.35.0
Dec10° / -1°898.839.82.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 97% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 2% 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
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25973
26973
27973
28964
29964
30964

Chance of precipitation in September

Any precipitation

Khorramabad 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 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
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 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 5:54 AM to 6:15 AM, and sunset from 6:38 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:546:38
212.75:556:37
312.75:566:35
412.65:566:34
512.65:576:33
612.65:586:31
712.55:596:30
812.55:596:28
912.56:006:27
1012.46:016:26
1112.46:016:24
1212.36:026:23
1312.36:036:21
1412.36:036:20
1512.26:046:18
1612.26:056:17
1712.26:056:16
1812.16:066:14
1912.16:076:13
2012.16:086:11
2112.06:086:10
2212.06:096:08
2312.06:106:07
2411.96:106:06
2511.96:116:04
2611.86:126:03
2711.86:136:01
2811.86:136:00
2911.76:145:58
3011.76:155:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.39 kWh/m².

For context, solar energy here swings from a low near 2.82 kWh/m² to a high of 8.07 kWh/m² in June across the year — September's 6.39 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
106.6Intense
116.6Intense
126.5Intense
136.5Intense
146.5Intense
156.4Intense
166.4Intense
176.3Intense
186.3Intense
196.3Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.0Intense
256.0Bright
265.9Bright
275.9Bright
285.8Bright
295.8Bright
305.7Bright
Planning a trip in September

Hazard calendar for Khorramabad

In seasonPeak

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

Khorramabad's rainy season runs November–April, when most of the year's rain falls.

Khorramabad sees seasonal dust haze (May), heaviest in May.

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

Is September a good time to visit Khorramabad?

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

6.4
Sightseeing
3rd-best month of the year
8.9
Beach & pool
1st-best month of the year

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

What to pack for Khorramabad in September

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

In September, Khorramabad sees daytime highs around 31°C and nights near 13°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Khorramabad in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Khorramabad peaks around July 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 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 highHighModerateJul 24UV 11Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb6High
Mar6High
Apr7Very high
May10Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct7High
Nov4Moderate
Dec4Moderate

Air quality in Khorramabad 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 Khorramabad is worst in April — around 38 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (December, 21 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1837 µg/m³Dec 1121 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb27Moderate
Mar34Moderate
Apr38Poor
May36Poor
Jun28Moderate
Jul28Moderate
Aug24Moderate
Sep25Moderate
Oct25Moderate
Nov22Moderate
Dec21Moderate
Location & terrain

Where is Khorramabad?

Khorramabad sits at 33.5°N, 48.4°E, 1,182 m above sea level, in Iran. The nearest listed city is Aleshtar, 43 km away.

Topography around Khorramabad

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

Within 3 km, the terrain around Khorramabad has large variations in elevation — a maximum elevation change of 819 m around an average of 1,296 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,527 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,349 m.

The land around Khorramabad is covered by artificial surfaces (48%) and grassland (35%) within 3 km, grassland (52%) and cropland (35%) within 16 km, and grassland (66%) and cropland (22%) within 80 km.

3 km
819 m
16 km
1,527 m
80 km
3,349 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Aleshtar 43 km · Borūjerd 58 km · Dorūd 65 km · Kūhdasht 69 km · Poldokhtar 71 km · Nūrābād 74 km · Nahāvand 78 km · Darreh Shahr 98 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 Khorramabad (33.4878°, 48.3558°, elevation 1,182 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).