Hashtgerd weather in September

In September, Hashtgerd sees average daytime highs of 27°C and overnight lows near 15°C, with 2 mm of rain across 0.6 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 24°C by the end. The sky is clear or mostly clear about 95% 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 Hashtgerd's 1st-clearest and 5th-windiest month. For the whole year in context, see Hashtgerd's year-round climate.

Daytime high
27°
4th warmest
Overnight low
15°
9th coldest
Rainfall
2 mm
0.6 wet days
Daylight
12 h 12 min
5:55 AM – 6:08 PM
Cloud cover
8%
1st clearest
Wind
7 km/h
5th windiest
Solar energy
6.08 kWh/m²
Travel score
8.6
out of 10

Hashtgerd is city in Alborz 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 30°C in the first days to 24°C by the end.

A typical September day in Hashtgerd reaches about 27°C in the afternoon and slips back to 15°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, September runs about 5°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
13017
23017
33017
42917
52917
62916
72916
82916
92916
102816
112815
122815
132815
142815
152715
162714
172714
182714
192614
202614
212614
222613
232513
242513
252513
262513
272412
282412
292412
302412

How September really feels in Hashtgerd

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.

Hashtgerd weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°356.65.79.80.0
Feb / -5°427.95.410.60.2
Mar10° / 539.33.611.72.4
Apr16° / 478.90.612.95.4
May23° / 12°194.7013.97.9
Jun29° / 17°41014.47.1
Jul33° / 20°20.7014.25.0
Aug32° / 19°30.5013.45.7
Sep27° / 15°20.6012.28.6
Oct20° / 143.1011.17.8
Nov11° / 356.11.410.13.2
Dec / -3°346.84.39.60.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 95% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 2%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23982
24982
25964
26964
27955
28955
29955
30946

Chance of precipitation in September

Any precipitation

Hashtgerd gets around 2 mm of rain over 0.6 wet days in September, the driest month. 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 4% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
31
41
51
61
71
81
91
102
112
122
132
142
152
163
173
183
193
203
213
223
233
243
253
263
274
284
294
304

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 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
108calm
118calm
128calm
138calm
148calm
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 5:43 AM to 6:06 AM, and sunset from 6:31 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:436:31
212.85:446:30
312.75:456:28
412.75:456:27
512.65:466:25
612.65:476:24
712.65:486:22
812.55:496:21
912.55:496:19
1012.55:506:18
1112.45:516:16
1212.45:526:14
1312.35:526:13
1412.35:536:11
1512.35:546:10
1612.25:556:08
1712.25:566:07
1812.15:566:05
1912.15:576:04
2012.15:586:02
2112.05:596:01
2212.06:005:59
2312.06:005:58
2411.96:015:56
2511.96:025:55
2611.86:035:53
2711.86:045:51
2811.86:055:50
2911.76:055:48
3011.76:065:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.08 kWh/m².

For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 7.89 kWh/m² in June across the year — September's 6.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.7Intense
36.6Intense
46.6Intense
56.5Intense
66.5Intense
76.5Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.6Bright
265.6Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Hashtgerd?

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

8.6
Sightseeing
1st-best month of the year
8.8
Beach & pool
3rd-best month of the year

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

What to pack for Hashtgerd in September

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

In September, Hashtgerd sees daytime highs around 27°C and nights near 15°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Hashtgerd 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 Hashtgerd peaks around July 18 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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 18UV 11Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May10Very high
Jun10Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Hashtgerd 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 Hashtgerd is worst in December — around 170 µg/m³ PM2.5 (very unhealthy), about 3.3× the cleanest month (July, 51 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyVery unhealthyDec 23169 µg/m³Jul 1852 µg/m³
PM2.5 (µg/m³)Level
Jan167Very unhealthy
Feb149Unhealthy
Mar116Unhealthy
Apr104Unhealthy
May85Unhealthy
Jun61Unhealthy
Jul51Poor
Aug58Unhealthy
Sep74Unhealthy
Oct102Unhealthy
Nov135Unhealthy
Dec170Very unhealthy
Location & terrain

Where is Hashtgerd?

Hashtgerd sits at 36.0°N, 50.7°E, 1,272 m above sea level, in Iran. The nearest listed city is Mehestan, 7.0 km away.

Topography around Hashtgerd

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

Within 3 km, the terrain around Hashtgerd has only modest variations in elevation — a maximum elevation change of 177 m around an average of 1,279 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,701 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,323 m.

The land around Hashtgerd is covered by cropland (38%) and artificial surfaces (34%) within 3 km, cropland (36%) and grassland (31%) within 16 km, and grassland (41%), cropland (22%) and bare terrain (22%) within 80 km.

3 km
177 m
16 km
1,701 m
80 km
4,323 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Mehestan 7.0 km · Naz̧arābād 7.0 km · Ābyek 16 km · Ābyek 16 km · Kamālshahr 21 km · Māhdāsht 29 km · Moḩammad Shahr 31 km · Karaj 32 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 Hashtgerd (35.962°, 50.6799°, elevation 1,272 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).