Diyadin weather in September

In September, Diyadin sees average daytime highs of 20°C and overnight lows near 6°C, with 37 mm of precipitation across 7.4 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 17°C by the end. The sky is clear or mostly clear about 72% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Diyadin's 1st-clearest and 9th-windiest month. For the whole year in context, see Diyadin's year-round climate.

Daytime high
20°
4th warmest
Overnight low
9th coldest
Precipitation
37 mm
7.4 wet days
Daylight
12 h 18 min
4:52 AM – 5:07 PM
Cloud cover
27%
1st clearest
Wind
6 km/h
9th windiest
Solar energy
5.49 kWh/m²
Travel score
7.2
out of 10

Diyadin is district and town in Ağrı, Turkey.

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 23°C in the first days to 17°C by the end.

A typical September day in Diyadin reaches about 20°C in the afternoon and slips back to 6°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°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)
1239
2239
3239
4239
5228
6228
7228
8228
9228
10217
11217
12217
13217
14217
15207
16206
17206
18206
19196
20196
21195
22195
23185
24185
25185
26184
27184
28174
29174
30174

How September really feels in Diyadin

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.

Diyadin 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-3° / -14°408.19.29.50.0
Feb-1° / -11°479.410.410.40.0
Mar / -6°7513.712.811.70.0
Apr / -1°9117.48.8131.5
May15° / 11320.72.214.13.4
Jun20° / 7914.70.114.75.9
Jul24° / 11°5911.3014.57.2
Aug24° / 11°398.4013.67.8
Sep20° / 377.40.112.37.2
Oct13° / 5610.5210.94.0
Nov / -5°447.66.49.80.5
Dec-0° / -11°428.18.89.30.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1946
2946
3946
4937
5937
6937
7937
8937
9928
10928
11928
12919
139010
148911
158911
168911
178812
188812
198812
208713
218713
228614
238515
248515
258416
268317
278218
288119
298119
308020

Chance of precipitation in September

Any precipitationSnow

Diyadin gets around 37 mm of rain and snow over 7.4 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 precipitation averages around 25% and peaks near 30% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1220
2220
3220
4220
5220
6230
7230
8230
9230
10240
11240
12240
13250
14250
15250
16250
17260
18260
19261
20261
21261
22261
23271
24271
25281
26281
27291
28292
29302
30302

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 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 4:38 AM to 5:06 AM, and sunset from 5:32 PM to 4:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.94:385:32
212.94:395:31
312.84:405:29
412.84:415:27
512.74:425:26
612.74:425:24
712.74:435:22
812.64:445:21
912.64:455:19
1012.54:465:17
1112.54:475:16
1212.44:485:14
1312.44:495:12
1412.34:505:11
1512.34:515:09
1612.34:525:07
1712.24:535:06
1812.24:545:04
1912.14:555:02
2012.14:565:00
2112.04:574:59
2212.04:584:57
2311.94:594:55
2411.95:004:54
2511.95:014:52
2611.85:024:50
2711.85:034:49
2811.75:044:47
2911.75:054:45
3011.65:064:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.49 kWh/m².

For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 7.35 kWh/m² in June across the year — September's 5.49 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.1Intense
56.0Intense
66.0Bright
75.9Bright
85.9Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.2Bright
225.1Bright
235.1Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Diyadin?

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

7.2
Sightseeing
2nd-best month of the year
3.8
Beach & pool
3rd-best month of the year

September is one of the better times to visit Diyadin for general sightseeing.

What to pack for Diyadin in September

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

In September, Diyadin sees daytime highs around 20°C and nights near 6°C. Worth packing: a warm layer and sun protection. About 7 days see rain.

a warm layersun protection

UV index in Diyadin in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diyadin peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 21UV 11Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Diyadin 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 Diyadin is worst in May — around 24 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (January, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1124 µg/m³Jan 1113 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar19Moderate
Apr23Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug15Moderate
Sep15Moderate
Oct17Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Diyadin?

Diyadin sits at 39.5°N, 43.7°E, 1,928 m above sea level, in Turkey. The nearest listed city is Doğubayazıt, 35 km away.

Topography around Diyadin

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

Within 3 km, the terrain around Diyadin has significant variations in elevation — a maximum elevation change of 345 m around an average of 1,961 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,116 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,278 m.

The land around Diyadin is covered by grassland (44%) and cropland (41%) within 3 km, grassland (69%) and cropland (26%) within 16 km, and grassland (73%) within 80 km.

3 km
345 m
16 km
1,116 m
80 km
4,278 m
grasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Doğubayazıt 35 km · Iğdır 53 km · Ağrı 57 km · Erciş 63 km · Maku 73 km · Armavir 75 km · Patnos 78 km · Seyah Cheshmeh 81 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 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 Diyadin (39.5406°, 43.6713°, elevation 1,928 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).