Aznā weather in September

In September, Aznā sees average daytime highs of 27°C and overnight lows near 12°C, with 1 mm of rain across 0.3 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 30°C in the first days to 25°C by the end. The sky is clear or mostly clear about 91% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Aznā's 1st-clearest and 6th-windiest month. For the whole year in context, see Aznā's year-round climate.

Daytime high
27°
4th warmest
Overnight low
12°
9th coldest
Rainfall
1 mm
0.3 wet days
Daylight
12 h 12 min
6:00 AM – 6:13 PM
Cloud cover
11%
1st clearest
Wind
8 km/h
6th windiest
Solar energy
6.34 kWh/m²
Travel score
8.5
out of 10

Aznā is city in Lorestan 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 25°C by the end.

A typical September day in Aznā reaches about 27°C in the afternoon and slips back to 12°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, September runs about 4°C cooler than August and about 7°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
13015
23015
33015
43014
52914
62914
72914
82914
92914
102913
112813
122813
132813
142813
152813
162712
172712
182712
192712
202712
212612
222611
232611
242611
252511
262511
272511
282510
292410
302410

How September really feels in Aznā

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.

Aznā 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 / -7°729.19100.0
Feb / -6°7298.810.80.1
Mar / -1°9210.37.711.71.8
Apr15° / 66101.312.84.7
May21° / 225.8013.77.6
Jun29° / 14°20.7014.27.7
Jul32° / 17°10.30145.3
Aug32° / 17°10.1013.25.7
Sep27° / 12°10.3012.28.5
Oct20° / 174011.27.8
Nov12° / 557.42.510.33.5
Dec / -4°637.779.80.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 91% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% 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
25973
26973
27964
28964
29964
30964

Chance of precipitation in September

Any precipitation

Aznā gets around 1 mm of rain over 0.3 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 1% and peaks near 4% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
121
131
141
151
161
171
181
191
201
212
222
232
242
253
263
273
283
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 8 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
97calm
107calm
117calm
127calm
137calm
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 42 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 60 minutes over September. Sunrise moves from 5:50 AM to 6:10 AM, and sunset from 6:34 PM to 5:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:506:34
212.75:516:32
312.75:516:31
412.65:526:30
512.65:536:28
612.65:536:27
712.55:546:25
812.55:556:24
912.55:566:23
1012.45:566:21
1112.45:576:20
1212.35:586:18
1312.35:586:17
1412.35:596:15
1512.26:006:14
1612.26:006:13
1712.26:016:11
1812.16:026:10
1912.16:026:08
2012.16:036:07
2112.06:046:05
2212.06:056:04
2312.06:056:03
2411.96:066:01
2511.96:076:00
2611.86:075:58
2711.86:085:57
2811.86:095:55
2911.76:105:54
3011.76:105:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.34 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 7.97 kWh/m² in June across the year — September's 6.34 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.7Intense
56.7Intense
66.7Intense
76.6Intense
86.6Intense
96.6Intense
106.5Intense
116.5Intense
126.5Intense
136.4Intense
146.4Intense
156.4Intense
166.3Intense
176.3Intense
186.2Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.0Intense
246.0Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.8Bright
305.7Bright
Planning a trip in September

Is September a good time to visit Aznā?

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

8.5
Sightseeing
1st-best month of the year
8.9
Beach & pool
2nd-best month of the year

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

What to pack for Aznā in September

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

In September, Aznā sees daytime highs around 27°C and nights near 12°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Aznā in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aznā peaks around July 20 at about 12 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 20UV 12Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb6High
Mar7High
Apr7Very high
May11Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep9Very high
Oct7Very high
Nov4Moderate
Dec4Moderate

Air quality in Aznā 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 Aznā is worst in April — around 37 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (December, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1837 µg/m³Dec 1320 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb26Moderate
Mar32Moderate
Apr37Poor
May34Moderate
Jun26Moderate
Jul28Moderate
Aug22Moderate
Sep24Moderate
Oct24Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Aznā?

Aznā sits at 33.5°N, 49.5°E, 1,862 m above sea level, in Iran. The nearest listed city is Alīgūdarz, 23 km away.

Topography around Aznā

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

Within 3 km, the terrain around Aznā has only modest variations in elevation — a maximum elevation change of 208 m around an average of 1,889 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,401 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,378 m.

The land around Aznā is covered by cropland (40%), grassland (30%) and artificial surfaces (20%) within 3 km, cropland (55%) and grassland (32%) within 16 km, and grassland (49%) and cropland (28%) within 80 km.

3 km
208 m
16 km
1,401 m
80 km
3,378 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Alīgūdarz 23 km · Dorūd 37 km · Shāzand 53 km · Khomeyn 61 km · Mahājerān 66 km · Karahrūd 69 km · Arāk 74 km · Golpāyegān 77 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 Aznā (33.4564°, 49.4565°, elevation 1,862 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).