Shahrud weather in September

In September, Shahrud sees average daytime highs of 25°C and overnight lows near 15°C, with 24 mm of rain across 6.3 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 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 77% 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 Shahrud's 3rd-clearest and 7th-windiest month. For the whole year in context, see Shahrud's year-round climate.

Daytime high
25°
4th warmest
Overnight low
15°
9th coldest
Rainfall
24 mm
6.3 wet days
Daylight
12 h 12 min
5:38 AM – 5:51 PM
Cloud cover
22%
3rd clearest
Wind
7 km/h
7th windiest
Solar energy
5.45 kWh/m²
Travel score
8.0
out of 10

Shahrud is city in Semnan 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 Shahrud reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12717
22717
32717
42717
52717
62717
72716
82716
92616
102616
112616
122616
132616
142615
152515
162515
172515
182515
192514
202414
212414
222414
232414
242414
252313
262313
272313
282313
292212
302212

How September really feels in Shahrud

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.

Shahrud 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 daysSnow daysDaylight (hours)Travel score
Jan / -3°317.17.29.80.0
Feb / -2°398.67.810.60.4
Mar11° / 5711.86.711.72.5
Apr17° / 6013.61.412.94.9
May22° / 12°5313.80.213.96.3
Jun27° / 17°226.2014.47.5
Jul29° / 19°102.4014.26.9
Aug29° / 19°123.7013.47.1
Sep25° / 15°246.3012.28.0
Oct19° / 3480.111.16.7
Nov11° / 337.92.810.13.1
Dec / -1°266.55.49.60.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1964
2964
3964
4973
5973
6955
7955
8955
9955
10955
11946
12946
13946
14946
15937
16937
17937
18937
19919
20919
21919
229010
239010
249010
258911
268812
278812
288812
298614
308614

Chance of precipitation in September

Any precipitation

Shahrud gets around 24 mm of rain over 6.3 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 21% and peaks near 27% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
116
216
316
416
516
616
716
817
917
1017
1118
1218
1319
1419
1520
1621
1722
1822
1923
2024
2124
2225
2325
2426
2526
2626
2726
2827
2927
3027

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 85% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
174242
275232
376231
476231
576231
677221
777221
877221
977221
1078211
1179201
1279201
1381190
1482180
1583170
1684160
1785150
1887130
1988120
2089110
2190100
229280
239370
249460
259550
269550
279640
289730
299730
309820

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

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
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 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 5:25 AM to 5:49 AM, and sunset from 6:14 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:256:14
212.85:266:13
312.75:276:11
412.75:286:10
512.75:296:08
612.65:296:07
712.65:306:05
812.55:316:04
912.55:326:02
1012.55:336:01
1112.45:345:59
1212.45:345:57
1312.35:355:56
1412.35:365:54
1512.35:375:53
1612.25:385:51
1712.25:385:50
1812.15:395:48
1912.15:405:47
2012.15:415:45
2112.05:425:43
2212.05:425:42
2312.05:435:40
2411.95:445:39
2511.95:455:37
2611.85:465:36
2711.85:475:34
2811.85:485:33
2911.75:485:31
3011.75:495:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.45 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 7.23 kWh/m² in June across the year — September's 5.45 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.0Intense
46.0Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Shahrud?

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

8.0
Sightseeing
1st-best month of the year
7.1
Beach & pool
4th-best month of the year

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

What to pack for Shahrud in September

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

In September, Shahrud sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes and sun protection. About 6 days see rain.

light clothessun protection

UV index in Shahrud in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shahrud peaks around July 18 at about 11 (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 — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May9Very high
Jun10Very high
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shahrud 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 Shahrud is worst in September — around 27 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1827 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar22Moderate
Apr25Moderate
May22Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep27Moderate
Oct24Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Shahrud?

Shahrud sits at 36.4°N, 55.0°E, 1,351 m above sea level, in Iran. The nearest listed city is 'Alī Ābād-e Katūl, 56 km away.

Topography around Shahrud

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

Within 3 km, the terrain around Shahrud has significant variations in elevation — a maximum elevation change of 335 m around an average of 1,354 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,329 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,898 m.

The land around Shahrud is covered by artificial surfaces (59%) and bare terrain (31%) within 3 km, bare terrain (71%) within 16 km, and bare terrain (63%) within 80 km.

3 km
335 m
16 km
1,329 m
80 km
3,898 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: 'Alī Ābād-e Katūl 56 km · Fāẕelābād 57 km · Dāmghān 63 km · Gorgān 67 km · Āzādshahr 76 km · Āq Qalā 81 km · Kord Kūy 88 km · Sīmīn Shahr 94 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 Shahrud (36.4182°, 54.9763°, elevation 1,351 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).