Amlash weather in September

In September, Amlash sees average daytime highs of 22°C and overnight lows near 16°C, with 190 mm of rain across 17.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels humid.

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 Amlash's 11th-clearest and 9th-windiest month. For the whole year in context, see Amlash's year-round climate.

Daytime high
22°
4th warmest
Overnight low
16°
9th coldest
Rainfall
190 mm
17.4 wet days
Daylight
12 h 12 min
5:57 AM – 6:11 PM
Cloud cover
67%
11th clearest
Wind
5 km/h
9th windiest
Solar energy
4.11 kWh/m²
Travel score
5.5
out of 10

Amlash is city in Gilan 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 24°C in the first days to 21°C by the end.

A typical September day in Amlash reaches about 22°C in the afternoon and slips back to 16°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12418
22418
32418
42418
52317
62317
72317
82317
92317
102317
112317
122316
132216
142216
152216
162216
172216
182216
192216
202215
212215
222115
232115
242115
252115
262114
272114
282114
292114
302014

How September really feels in Amlash

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.

Amlash weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10712.57.79.70.8
Feb / 10912.77.610.61.0
Mar11° / 12015.25.311.72.3
Apr15° / 12217.10.912.93.9
May20° / 13°10616.70145.2
Jun23° / 16°9012.4014.56.4
Jul25° / 19°8511.4014.36.7
Aug25° / 19°9912.8013.46.4
Sep22° / 16°19017.4012.35.5
Oct19° / 12°216170114.9
Nov13° / 18015.41.8103.1
Dec / 11712.55.19.51.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
23961
33961
43862
53763
63763
73763
83664
93664
103565
113565
123466
133466
143466
153466
163466
173367
183367
193466
203367
213466
223466
233565
243664
253565
263565
273565
283565
293565
303565

Chance of precipitation in September

Any precipitation

Amlash gets around 190 mm of rain over 17.4 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 57% and peaks near 61% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
150
251
351
452
553
654
755
855
956
1056
1157
1257
1358
1458
1558
1658
1759
1859
1959
2059
2159
2260
2360
2460
2560
2661
2761
2861
2961
3060

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1010344412
2010344411
3011354310
411235439
511336428
611437427
711538416
811639405
911740384
1021741373
1121843352
1221944332
1322045311
1432146291
1532247281
1632348260
1742449240
1842549220
1952649200
2052749180
2162949160
2273048150
2383247130
2493445120
25103544100
2612374290
2713394080
2815403870
2917413660
3019433450

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:44 AM to 6:09 AM, and sunset from 6:34 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:446:34
212.85:456:32
312.85:466:31
412.75:466:29
512.75:476:28
612.65:486:26
712.65:496:25
812.65:506:23
912.55:516:22
1012.55:526:20
1112.45:526:19
1212.45:536:17
1312.45:546:15
1412.35:556:14
1512.35:566:12
1612.25:576:11
1712.25:576:09
1812.25:586:07
1912.15:596:06
2012.16:006:04
2112.06:016:03
2212.06:026:01
2311.96:035:59
2411.96:035:58
2511.96:045:56
2611.86:055:55
2711.86:065:53
2811.76:075:52
2911.76:085:50
3011.76:095:49

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.11 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 6.12 kWh/m² in June across the year — September's 4.11 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.2Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.0Bright
184.0Bright
194.0Moderate
204.0Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Amlash?

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

5.5
Sightseeing
4th-best month of the year
3.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Amlash for sightseeing.

What to pack for Amlash in September

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

In September, Amlash sees daytime highs around 22°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.

rain gearlight clothes

Sea temperature near Amlash in September

The nearest coast averages about 26°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 28°C and coldest in February near 10°C.

It's comfortable for a long swim from May 24 to Nov 5 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar11Bracing
Apr13Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Amlash in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Amlash peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 17UV 9Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Amlash 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 Amlash is worst in December — around 54 µg/m³ PM2.5 (poor), about 3.0× the cleanest month (July, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorDec 2354 µg/m³Jul 1819 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb50Poor
Mar47Poor
Apr42Poor
May36Poor
Jun24Moderate
Jul18Moderate
Aug22Moderate
Sep28Moderate
Oct36Poor
Nov45Poor
Dec54Poor
Location & terrain

Where is Amlash?

Amlash sits at 37.1°N, 50.2°E, 30 m above sea level, in Iran. The nearest listed city is Rūdsar, 10 km away.

Topography around Amlash

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

Within 3 km, the terrain around Amlash has significant variations in elevation — a maximum elevation change of 343 m around an average of 52 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,741 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,165 m.

The land around Amlash is covered by trees (46%) and cropland (38%) within 3 km, trees (59%) and cropland (24%) within 16 km, and water (41%), grassland (24%) and trees (22%) within 80 km.

3 km
343 m
16 km
1,741 m
80 km
4,165 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Rūdsar 10 km · Langarūd 11 km · Lāhījān 20 km · Āstāneh-ye Ashrafīyeh 28 km · Sīāhkal 29 km · Rāmsar 45 km · Katālem va Sādāt Shahr 51 km · Rasht 57 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 Amlash (37.0966°, 50.1871°, elevation 30 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).