Çay weather in September

In September, Çay sees average daytime highs of 25°C and overnight lows near 13°C, with 12 mm of rain across 2.6 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 23°C by the end. The sky is clear or mostly clear about 76% 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 Çay's 3rd-clearest and 9th-windiest month. For the whole year in context, see Çay's year-round climate.

Daytime high
25°
4th warmest
Overnight low
13°
9th coldest
Rainfall
12 mm
2.6 wet days
Daylight
12 h 12 min
5:43 AM – 5:58 PM
Cloud cover
23%
3rd clearest
Wind
7 km/h
9th windiest
Solar energy
5.53 kWh/m²
Travel score
8.6
out of 10

Çay is district of Turkey.

Density
39/km²
people per km²

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 27°C in the first days to 23°C by the end.

A typical September day in Çay reaches about 25°C in the afternoon and slips back to 13°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12815
22814
32814
42714
52714
62714
72714
82714
92713
102613
112613
122613
132613
142613
152613
162513
172512
182512
192512
202512
212512
222412
232412
242411
252411
262411
272311
282311
292311
302311

How September really feels in Çay

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.

Çay 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 / -3°498.65.59.60.0
Feb / -2°417.64.610.50.8
Mar11° / 509.53.211.72.8
Apr16° / 469.30.6135.2
May21° / 428.7014.17.0
Jun26° / 13°245.8014.67.7
Jul30° / 16°81.8014.46.8
Aug30° / 16°81.8013.56.9
Sep25° / 13°122.6012.38.6
Oct19° / 295.20117.1
Nov12° / 345.61.19.93.8
Dec / -1°468.33.49.40.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1973
2973
3973
4973
5964
6964
7964
8964
9964
10964
11946
12946
13937
14937
15928
16919
179010
189010
198812
208812
218713
228614
238515
248515
258317
268317
278317
288218
298119
308119

Chance of precipitation in September

Any precipitation

Çay gets around 12 mm of rain over 2.6 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 9% and peaks near 11% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
15
25
36
46
56
66
76
87
97
107
118
128
138
149
159
169
1710
1810
1910
2010
2110
2211
2311
2411
2511
2611
2710
2810
2910
3010

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1973
2973
3973
4982
5982
6982
7982
8982
9982
10982
11982
12982
13991
14991
15991
16991
17991
18991
19991
20991
21991
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 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 5:29 AM to 5:56 AM, and sunset from 6:22 PM to 5:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:296:22
212.85:306:20
312.85:316:19
412.85:326:17
512.75:336:16
612.75:346:14
712.65:356:12
812.65:366:11
912.55:366:09
1012.55:376:08
1112.55:386:06
1212.45:396:04
1312.45:406:03
1412.35:416:01
1512.35:425:59
1612.25:435:58
1712.25:445:56
1812.25:455:54
1912.15:465:53
2012.15:465:51
2112.05:475:49
2212.05:485:48
2311.95:495:46
2411.95:505:44
2511.95:515:43
2611.85:525:41
2711.85:535:39
2811.75:545:38
2911.75:555:36
3011.65:565:35

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.53 kWh/m².

For context, solar energy here swings from a low near 1.95 kWh/m² to a high of 7.62 kWh/m² in July across the year — September's 5.53 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.2Intense
46.2Intense
56.1Intense
66.1Intense
76.0Intense
86.0Bright
95.9Bright
105.9Bright
115.8Bright
125.8Bright
135.7Bright
145.7Bright
155.6Bright
165.5Bright
175.5Bright
185.4Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Çay?

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

8.6
Sightseeing
1st-best month of the year
7.8
Beach & pool
3rd-best month of the year

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

What to pack for Çay in September

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

In September, Çay sees daytime highs around 25°C and nights near 13°C. Worth packing: light clothes and sun protection.

light clothessun protection

UV index in Çay 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 Çay peaks around June 21 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highModerateJun 21UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Extreme
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Çay 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 Çay is worst in May — around 22 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1622 µg/m³Dec 2110 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar17Moderate
Apr19Moderate
May22Moderate
Jun19Moderate
Jul14Moderate
Aug15Moderate
Sep15Moderate
Oct15Moderate
Nov13Moderate
Dec10Good
Location & terrain

Where is Çay?

Çay sits at 38.6°N, 31.0°E, 1,039 m above sea level, in Turkey. The nearest listed city is Bolvadin, 13 km away.

Topography around Çay

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

Within 3 km, the terrain around Çay has large variations in elevation — a maximum elevation change of 805 m around an average of 1,133 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,622 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,963 m.

The land around Çay is covered by trees (39%), grassland (25%) and cropland (21%) within 3 km, cropland (43%) and grassland (36%) within 16 km, and grassland (46%) and cropland (38%) within 80 km.

3 km
805 m
16 km
1,622 m
80 km
1,963 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Bolvadin 13 km · Yalvaç 35 km · Akşehir 43 km · Afyonkarahisar 46 km · Emirdağ 49 km · Şarkîkaraağaç 64 km · Sandıklı 68 km · Senirkent 68 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 Çay (38.5917°, 31.0286°, elevation 1,039 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).