Kayseri weather in September

In September, Kayseri sees average daytime highs of 25°C and overnight lows near 11°C, with 19 mm of rain across 3.4 wet days and about 12.3 hours of daylight. It is the 3rd-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 75% 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 Kayseri's 3rd-clearest and 9th-windiest month. For the whole year in context, see Kayseri's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
11°
9th coldest
Rainfall
19 mm
3.4 wet days
Daylight
12 h 12 min
5:25 AM – 5:40 PM
Cloud cover
22%
3rd clearest
Wind
7 km/h
9th windiest
Solar energy
5.62 kWh/m²
Travel score
8.5
out of 10

Kayseri is city in Turkey.

Air quality
Elevated
PM10 61.8 µg/m³ · 2019

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 Kayseri reaches about 25°C in the afternoon and slips back to 11°C overnight — a 15°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)
12813
22813
32713
42713
52712
62712
72712
82712
92612
102612
112611
122611
132611
142611
152511
162511
172510
182510
192510
202410
212410
222410
23249
24249
25239
26239
27239
28239
29238
30228

How September really feels in Kayseri

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.

Kayseri weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°5097.99.60.0
Feb / -5°458.87.210.50.2
Mar10° / -1°6611.86.511.72.0
Apr15° / 7413.11.7134.2
May20° / 8114014.16.0
Jun25° / 11°478.8014.77.4
Jul29° / 14°81.8014.47.4
Aug29° / 15°61.4013.57.1
Sep25° / 11°193.4012.38.5
Oct19° / 3770.4116.8
Nov11° / 416.32.39.93.2
Dec / -4°488.76.59.30.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 75% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% 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 (%)
1964
2964
3964
4964
5964
6964
7955
8946
9946
10946
11937
12937
13928
14919
159010
169010
178911
188812
198713
208713
218614
228515
238515
248416
258416
268416
278317
288317
298317
308218

Chance of precipitation in September

Any precipitation

Kayseri gets around 19 mm of rain over 3.4 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 11% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
17
27
37
47
58
68
78
88
98
109
119
129
1310
1410
1510
1611
1711
1812
1912
2013
2114
2214
2315
2416
2516
2617
2717
2817
2917
3017

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
71000
81000
91000
101000
111000
121000
131000
141000
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 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 5:11 AM to 5:38 AM, and sunset from 6:04 PM to 5:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:116:04
212.85:126:03
312.85:136:01
412.85:146:00
512.75:155:58
612.75:165:56
712.65:175:55
812.65:185:53
912.55:195:51
1012.55:195:50
1112.55:205:48
1212.45:215:46
1312.45:225:45
1412.35:235:43
1512.35:245:41
1612.25:255:40
1712.25:265:38
1812.25:275:36
1912.15:285:35
2012.15:295:33
2112.05:305:31
2212.05:305:30
2311.95:315:28
2411.95:325:27
2511.95:335:25
2611.85:345:23
2711.85:355:22
2811.75:365:20
2911.75:375:18
3011.65:385:17

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.62 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 7.69 kWh/m² in July across the year — September's 5.62 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.1Intense
86.1Intense
96.0Intense
106.0Bright
115.9Bright
125.8Bright
135.8Bright
145.7Bright
155.7Bright
165.6Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.3Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Kayseri?

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
7.6
Beach & pool
3rd-best month of the year

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

What to pack for Kayseri in September

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

In September, Kayseri sees daytime highs around 25°C and nights near 11°C. Worth packing: light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Kayseri 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 Kayseri peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highModerateJun 23UV 10Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Kayseri 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 Kayseri is worst in May — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (January, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1422 µg/m³Jan 1212 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb16Moderate
Mar19Moderate
Apr20Moderate
May23Moderate
Jun19Moderate
Jul13Moderate
Aug14Moderate
Sep15Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Kayseri?

Kayseri sits at 38.7°N, 35.5°E, 1,054 m above sea level, in Turkey. The nearest listed city is Talas, 8.0 km away.

Topography around Kayseri

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

Within 3 km, the terrain around Kayseri has only modest variations in elevation — a maximum elevation change of 111 m around an average of 1,055 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,469 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,957 m.

The land around Kayseri is covered by artificial surfaces (82%) within 3 km, grassland (41%) and cropland (30%) within 16 km, and cropland (49%) and grassland (43%) within 80 km.

3 km
111 m
16 km
1,469 m
80 km
2,957 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Talas 8.0 km · Hacılar 10 km · Develi 38 km · Ürgüp 51 km · Cappadocia 58 km · Nevşehir 68 km · Yahyalı 71 km · Gemerek 71 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 Kayseri (38.7322°, 35.4853°, elevation 1,054 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).