Esfarāyen weather in September

In September, Esfarāyen sees average daytime highs of 27°C and overnight lows near 14°C, with 2 mm of rain across 0.7 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 11th-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 92% 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 Esfarāyen's 2nd-clearest and 7th-windiest month. For the whole year in context, see Esfarāyen's year-round climate.

Daytime high
27°
4th warmest
Overnight low
14°
9th coldest
Rainfall
2 mm
0.7 wet days
Daylight
12 h 12 min
5:27 AM – 5:41 PM
Cloud cover
10%
2nd clearest
Wind
7 km/h
7th windiest
Solar energy
5.85 kWh/m²
Travel score
8.4
out of 10

Esfarāyen is city in North Khorasan 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 Esfarāyen reaches about 27°C in the afternoon and slips back to 14°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 31°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)
13017
23017
33016
43016
52916
62916
72916
82916
92916
102915
112915
122815
132815
142815
152815
162815
172714
182714
192714
202714
212714
222613
232613
242613
252613
262513
272512
282512
292512
302412

How September really feels in Esfarāyen

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.

Esfarāyen weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°244.94.29.70.0
Feb / -2°295.53.610.60.7
Mar12° / 407.92.911.73.4
Apr19° / 266.50.612.96.6
May25° / 13°174.60147.9
Jun30° / 17°61.9014.56.4
Jul32° / 20°40.8014.35.2
Aug31° / 18°20.4013.45.9
Sep27° / 14°20.7012.38.4
Oct21° / 72.10118.2
Nov12° / 143.90.9104.1
Dec / -1°143.92.19.50.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 92% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 5% of September, with mostly cloudy or overcast conditions the remaining 3%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14973
15973
16982
17982
18982
19982
20973
21973
22973
23973
24964
25955
26955
27946
28946
29946
30946

Chance of precipitation in September

Any precipitation

Esfarāyen gets around 2 mm of rain over 0.7 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 4% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
122
132
142
152
162
172
182
192
202
213
223
233
243
253
263
273
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 (%)Comfortable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

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 5:15 AM to 5:39 AM, and sunset from 6:05 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:156:05
212.85:166:03
312.85:166:02
412.75:176:00
512.75:185:59
612.65:195:57
712.65:205:55
812.65:215:54
912.55:215:52
1012.55:225:51
1112.45:235:49
1212.45:245:48
1312.45:255:46
1412.35:265:44
1512.35:265:43
1612.25:275:41
1712.25:285:40
1812.25:295:38
1912.15:305:37
2012.15:315:35
2112.05:325:33
2212.05:325:32
2311.95:335:30
2411.95:345:29
2511.95:355:27
2611.85:365:25
2711.85:375:24
2811.75:385:22
2911.75:385:21
3011.75:395:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.85 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 7.71 kWh/m² in June across the year — September's 5.85 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.6Intense
26.5Intense
36.5Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.0Intense
136.0Bright
145.9Bright
155.9Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.6Bright
215.6Bright
225.5Bright
235.5Bright
245.4Bright
255.4Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
Planning a trip in September

Is September a good time to visit Esfarāyen?

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

8.4
Sightseeing
1st-best month of the year
8.9
Beach & pool
1st-best month of the year

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

What to pack for Esfarāyen in September

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

In September, Esfarāyen sees daytime highs around 27°C and nights near 14°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Esfarāyen 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 Esfarāyen peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 18UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul11Extreme
Aug10Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Esfarāyen 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 Esfarāyen is worst in September — around 31 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1630 µg/m³Dec 2317 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar26Moderate
Apr29Moderate
May30Moderate
Jun26Moderate
Jul27Moderate
Aug24Moderate
Sep31Moderate
Oct25Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Esfarāyen?

Esfarāyen sits at 37.1°N, 57.5°E, 1,253 m above sea level, in Iran. The nearest listed city is Bojnūrd, 47 km away.

JājarmArkadagAshgabat

Topography around Esfarāyen

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

Within 3 km, the terrain around Esfarāyen has significant variations in elevation — a maximum elevation change of 447 m around an average of 1,287 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,679 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,483 m.

The land around Esfarāyen is covered by bare terrain (39%), cropland (30%) and artificial surfaces (26%) within 3 km, bare terrain (43%), cropland (31%) and grassland (21%) within 16 km, and bare terrain (41%), grassland (34%) and cropland (24%) within 80 km.

3 km
447 m
16 km
1,679 m
80 km
2,483 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Bojnūrd 47 km · Shīrvān 51 km · Āshkhāneh 75 km · Qūchān 89 km · Sabzevar 97 km · Jājarm 101 km · Arkadag 121 km · Ashgabat 124 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 Esfarāyen (37.0765°, 57.5101°, elevation 1,253 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).