Kalāleh weather in September

In September, Kalāleh sees average daytime highs of 31°C and overnight lows near 19°C, with 28 mm of rain across 3.9 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 29°C by the end. The sky is clear or mostly clear about 78% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Kalāleh's 1st-clearest and 10th-windiest month. For the whole year in context, see Kalāleh's year-round climate.

Daytime high
31°
4th warmest
Overnight low
19°
9th coldest
Rainfall
28 mm
3.9 wet days
Daylight
12 h 12 min
5:35 AM – 5:49 PM
Cloud cover
20%
1st clearest
Wind
6 km/h
10th windiest
Solar energy
5.13 kWh/m²
Travel score
5.5
out of 10

Kalāleh is city in Golestan 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 29°C by the end.

A typical September day in Kalāleh reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 36°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13421
23421
33321
43321
53321
63321
73321
83320
93220
103220
113220
123220
133220
143219
153119
163119
173119
183119
193118
203018
213018
223018
233018
243017
252917
262917
272917
282916
292916
302816

How September really feels in Kalāleh

Once humidity and wind are folded in, September averages 11 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
11
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.

Kalāleh weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 426.22.39.73.5
Feb13° / 557.72.710.63.9
Mar17° / 668.61.311.75.6
Apr22° / 11°547.4012.97.1
May28° / 16°3150146.9
Jun33° / 20°183.4014.54.4
Jul35° / 23°224.5014.33.0
Aug35° / 23°274.6013.43.2
Sep31° / 19°283.9012.35.5
Oct25° / 13°274.20118.2
Nov18° / 365.30.3106.7
Dec14° / 285.40.99.54.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% 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 13%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18812
28911
38911
48812
58812
68812
78812
88812
98812
108812
118812
128812
138812
148812
158812
168812
178812
188812
198812
208713
218713
228713
238713
248614
258614
268515
278515
288416
298416
308416

Chance of precipitation in September

Any precipitation

Kalāleh gets around 28 mm of rain over 3.9 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 13% and peaks near 17% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
113
213
312
412
512
612
711
811
911
1011
1111
1211
1311
1411
1511
1611
1711
1812
1912
2013
2113
2214
2314
2415
2515
2616
2716
2817
2917
3017

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 37% 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 (%)
1271924245
2281925245
3282025244
4282025244
5282026233
6282026233
7282127223
8282127222
9282227212
10282227202
11292327192
12302327181
13302427171
14312427161
15322527151
16332526141
17352626131
18362625121
19382625101
2040262491
2142262380
2244262270
2346262270
2448252160
2550252050
2653241940
2754241840
2857231730
2958231630
3060221530

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 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
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 48 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 66 minutes over September. Sunrise moves from 5:22 AM to 5:47 AM, and sunset from 6:13 PM to 5:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:226:13
212.85:236:11
312.85:246:10
412.75:256:08
512.75:266:07
612.65:276:05
712.65:286:04
812.65:286:02
912.55:296:01
1012.55:305:59
1112.45:315:57
1212.45:325:56
1312.45:335:54
1412.35:345:53
1512.35:345:51
1612.25:355:49
1712.25:365:48
1812.25:375:46
1912.15:385:45
2012.15:395:43
2112.05:405:41
2212.05:405:40
2311.95:415:38
2411.95:425:37
2511.95:435:35
2611.85:445:33
2711.85:455:32
2811.75:465:30
2911.75:475:29
3011.75:475:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.13 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 6.89 kWh/m² in June across the year — September's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.2Bright
145.2Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
Planning a trip in September

Is September a good time to visit Kalāleh?

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

5.5
Sightseeing
6th-best month of the year
8.1
Beach & pool
1st-best month of the year

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

What to pack for Kalāleh in September

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

In September, Kalāleh sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Kalāleh 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 Kalāleh peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 17UV 11Jan 10UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun9Very high
Jul11Extreme
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec3Moderate

Air quality in Kalāleh 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 Kalāleh is worst in September — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1933 µg/m³Jan 1421 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb22Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun24Moderate
Jul26Moderate
Aug27Moderate
Sep34Moderate
Oct31Moderate
Nov25Moderate
Dec22Moderate
Location & terrain

Where is Kalāleh?

Kalāleh sits at 37.4°N, 55.5°E, 152 m above sea level, in Iran. The nearest listed city is Gālīkesh, 13 km away.

Āq Qalā

Topography around Kalāleh

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

Within 3 km, the terrain around Kalāleh has significant variations in elevation — a maximum elevation change of 311 m around an average of 177 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,606 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,957 m.

The land around Kalāleh is covered by cropland (70%) and artificial surfaces (20%) within 3 km, cropland (61%) and trees (26%) within 16 km, and grassland (37%), bare terrain (26%) and cropland (22%) within 80 km.

3 km
311 m
16 km
1,606 m
80 km
2,957 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Gālīkesh 13 km · Mīnūdasht 20 km · Gonbad-e Kāvūs 32 km · Āzādshahr 43 km · 'Alī Ābād-e Katūl 76 km · Fāẕelābād 85 km · Jājarm 92 km · Āq Qalā 101 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 Kalāleh (37.379°, 55.493°, elevation 152 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).