Nūr weather in September

In September, Nūr sees average daytime highs of 22°C and overnight lows near 17°C, with 275 mm of rain across 19 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 1st-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 26% 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 Nūr's 8th-clearest and 5th-windiest month. For the whole year in context, see Nūr's year-round climate.

Daytime high
22°
4th warmest
Overnight low
17°
9th coldest
Rainfall
275 mm
19 wet days
Daylight
12 h 12 min
5:49 AM – 6:03 PM
Cloud cover
59%
8th clearest
Wind
7 km/h
5th windiest
Solar energy
4.61 kWh/m²
Travel score
5.3
out of 10

Nūr is city in Mazandaran 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 Nūr reaches about 22°C in the afternoon and slips back to 17°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12419
22419
32419
42419
52319
62319
72319
82319
92318
102318
112318
122318
132318
142218
152218
162217
172217
182217
192217
202217
212217
222217
232116
242116
252116
262116
272116
282116
292116
302115

How September really feels in Nūr

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.

Nūr weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 10312.98.29.81.1
Feb / 101138.210.61.1
Mar10° / 11515.75.911.72.2
Apr15° / 12517.60.912.93.6
May19° / 14°18220.3013.94.7
Jun22° / 18°15517.1014.45.6
Jul24° / 20°12215.5014.26.1
Aug25° / 20°13615.3013.46.2
Sep22° / 17°27519012.25.3
Oct19° / 13°25017.2011.15.1
Nov13° / 18815.62.110.13.3
Dec10° / 11712.85.99.52.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 20% of September, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34753
44654
54654
64555
74456
84357
94258
104258
114357
124258
134258
144258
154357
164357
174456
184555
194555
204753
214753
224852
234951
244951
255050
265050
275050
285149
295050
304951

Chance of precipitation in September

Any precipitation

Nūr gets around 275 mm of rain over 19 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 65% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
157
258
359
460
560
661
762
862
963
1063
1164
1264
1365
1465
1565
1665
1765
1865
1964
2064
2164
2264
2364
2463
2563
2663
2763
2863
2964
3064

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10635563
20637543
30739522
40740512
50842482
60944461
70946441
801047421
911149390
1011251360
1111353330
1211454310
1321555280
1421756250
1521858220
1632058190
1732258170
1842458140
1942658120
2052956100
216315580
227335370
238355250
249374940
2511394730
2613414420
2714434120
2816453810
2918463510
3020473110

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 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
67calm
77calm
87calm
97calm
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 5:37 AM to 6:01 AM, and sunset from 6:26 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:376:26
212.85:386:25
312.75:396:23
412.75:406:22
512.75:406:20
612.65:416:19
712.65:426:17
812.55:436:16
912.55:446:14
1012.55:446:13
1112.45:456:11
1212.45:466:09
1312.35:476:08
1412.35:486:06
1512.35:496:05
1612.25:496:03
1712.25:506:02
1812.15:516:00
1912.15:525:58
2012.15:535:57
2112.05:545:55
2212.05:545:54
2312.05:555:52
2411.95:565:51
2511.95:575:49
2611.85:585:48
2711.85:595:46
2811.85:595:44
2911.76:005:43
3011.76:015:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.61 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 6.35 kWh/m² in June across the year — September's 4.61 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
74.9Bright
84.9Bright
94.8Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.5Bright
204.4Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
Planning a trip in September

Is September a good time to visit Nūr?

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

5.3
Sightseeing
4th-best month of the year
3.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Nūr for sightseeing.

What to pack for Nūr in September

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

In September, Nūr sees daytime highs around 22°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

Sea temperature near Nūr 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 offshore is warmest in August at about 28°C and coldest in February near 11°C.

It's comfortable for a long swim from May 21 to Nov 7 — about 5.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar11Bracing
Apr14Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Tropical
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec15Cool

UV index in Nūr 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 Nūr peaks around July 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 20UV 10Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec3Moderate

Air quality in Nūr 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 Nūr is worst in February — around 46 µg/m³ PM2.5 (poor), about 3.0× the cleanest month (July, 15 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1545 µg/m³Jul 1716 µg/m³
PM2.5 (µg/m³)Level
Jan42Poor
Feb46Poor
Mar42Poor
Apr36Poor
May31Moderate
Jun21Moderate
Jul15Moderate
Aug20Moderate
Sep27Moderate
Oct30Moderate
Nov32Moderate
Dec36Poor
Location & terrain

Where is Nūr?

Nūr sits at 36.6°N, 52.0°E, -18 m above sea level, in Iran. The nearest listed city is Maḩmūdābād, 23 km away.

Topography around Nūr

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

Within 3 km, the terrain around Nūr has only modest variations in elevation — a maximum elevation change of 42 m around an average of -19 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,420 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,613 m.

The land around Nūr is covered by water (33%), trees (26%) and artificial surfaces (21%) within 3 km, water (44%) and trees (38%) within 16 km, and water (43%), grassland (22%) and trees (21%) within 80 km.

3 km
42 m
16 km
1,420 m
80 km
5,613 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Maḩmūdābād 23 km · Āmol 32 km · Fereydūn Kenār 47 km · Nowshahr 47 km · Chālūs 54 km · Amīr Kolā 58 km · Bābolsar 58 km · Bābol 59 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 Nūr (36.5717°, 52.0153°, elevation -18 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).