Mashad weather in September

In September, Mashad sees average daytime highs of 27°C and overnight lows near 13°C, with 2 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 29°C in the first days to 24°C by the end. The sky is clear or mostly clear about 94% 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 Mashad's 2nd-clearest and 4th-windiest month. For the whole year in context, see Mashad's year-round climate.

Daytime high
27°
4th warmest
Overnight low
13°
9th coldest
Rainfall
2 mm
0.5 wet days
Daylight
12 h 12 min
5:19 AM – 5:33 PM
Cloud cover
7%
2nd clearest
Wind
8 km/h
4th windiest
Solar energy
6 kWh/m²
Travel score
8.9
out of 10

Mashad is capital city of Razavi Khorasan Province, and second largest city in Iran.

Density
7,034/km²
people per km²
Founded
~818 CE

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 29°C in the first days to 24°C by the end.

A typical September day in Mashad reaches about 27°C in the afternoon and slips back to 13°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 31°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)
12915
22915
32915
42915
52814
62814
72814
82814
92814
102814
112814
122713
132713
142713
152713
162713
172713
182613
192612
202612
212612
222612
232512
242512
252511
262511
272511
282411
292410
302410

How September really feels in Mashad

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.

Mashad 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°275.84.79.80.2
Feb / -3°438.25.610.61.0
Mar12° / 6510.43.811.73.3
Apr19° / 5410.10.812.96.0
May24° / 12°347.40.113.97.5
Jun29° / 16°72.2014.46.9
Jul32° / 18°20.6014.25.8
Aug31° / 17°20.4013.46.6
Sep27° / 13°20.5012.28.9
Oct21° / 91.90.111.18.3
Nov13° / 204.31.610.14.4
Dec / -2°204.23.29.61.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 94% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 2%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18982
19982
20982
21982
22973
23964
24964
25964
26964
27964
28964
29955
30946

Chance of precipitation in September

Any precipitation

Mashad gets around 2 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 3% 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
162
172
182
192
202
212
223
233
243
253
263
273
283
293
303

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 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:07 AM to 5:31 AM, and sunset from 5:56 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:075:56
212.85:085:54
312.75:095:53
412.75:095:51
512.75:105:50
612.65:115:48
712.65:125:47
812.55:135:45
912.55:135:44
1012.55:145:42
1112.45:155:40
1212.45:165:39
1312.35:175:37
1412.35:175:36
1512.35:185:34
1612.25:195:33
1712.25:205:31
1812.15:215:30
1912.15:225:28
2012.15:225:26
2112.05:235:25
2212.05:245:23
2312.05:255:22
2411.95:265:20
2511.95:265:19
2611.85:275:17
2711.85:285:16
2811.85:295:14
2911.75:305:13
3011.75:315:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6 kWh/m².

For context, solar energy here swings from a low near 2.7 kWh/m² to a high of 7.72 kWh/m² in July across the year — September's 6 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.6Intense
46.6Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.3Intense
106.3Intense
116.2Intense
126.2Intense
136.1Intense
146.1Intense
156.0Intense
166.0Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.7Bright
225.7Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Mashad?

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

8.9
Sightseeing
1st-best month of the year
8.8
Beach & pool
2nd-best month of the year

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

What to pack for Mashad in September

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

In September, Mashad sees daytime highs around 27°C and nights near 13°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

UV index in Mashad 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 Mashad peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 16UV 11Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May8Very high
Jun10Very high
Jul11Extreme
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Mashad 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 Mashad is worst in May — around 33 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1033 µg/m³Dec 2220 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb23Moderate
Mar29Moderate
Apr33Moderate
May33Moderate
Jun27Moderate
Jul28Moderate
Aug26Moderate
Sep32Moderate
Oct28Moderate
Nov22Moderate
Dec20Moderate
Location & terrain

Where is Mashad?

Mashad sits at 36.3°N, 59.6°E, 980 m above sea level, in Iran. The nearest listed city is Gorjī-ye Soflá, 12 km away.

KakaTorbat-e Ḩeydarīyeh

Topography around Mashad

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

Within 3 km, the terrain around Mashad has only modest variations in elevation — a maximum elevation change of 60 m around an average of 984 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 642 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,881 m.

The land around Mashad is covered by artificial surfaces (94%) within 3 km, bare terrain (32%), artificial surfaces (29%) and cropland (25%) within 16 km, and bare terrain (49%), grassland (27%) and cropland (21%) within 80 km.

3 km
60 m
16 km
642 m
80 km
2,881 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Gorjī-ye Soflá 12 km · Ţorqabeh 21 km · Golbahār 48 km · Marāgheh 52 km · Chenārān 58 km · Neyshābūr 73 km · Kaka 117 km · Torbat-e Ḩeydarīyeh 119 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 Mashad (36.2981°, 59.6057°, elevation 980 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).