Simav weather in September

In September, Simav sees average daytime highs of 26°C and overnight lows near 12°C, with 16 mm of rain across 3.5 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 29°C in the first days to 24°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 Simav's 3rd-clearest and 7th-windiest month. For the whole year in context, see Simav's year-round climate.

Daytime high
26°
4th warmest
Overnight low
12°
9th coldest
Rainfall
16 mm
3.5 wet days
Daylight
12 h 18 min
5:51 AM – 6:06 PM
Cloud cover
23%
3rd clearest
Wind
7 km/h
7th windiest
Solar energy
5.44 kWh/m²
Travel score
8.2
out of 10

Simav is district of Kütahya, western Turkey.

Density
23/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 29°C in the first days to 24°C by the end.

A typical September day in Simav reaches about 26°C in the afternoon and slips back to 12°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°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)
12915
22914
32914
42814
52814
62814
72814
82813
92813
102713
112713
122713
132713
142713
152713
162612
172612
182612
192612
202612
212512
222512
232511
242511
252511
262511
272411
282411
292410
302410

How September really feels in Simav

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.

Simav 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 / -2°719.64.19.60.7
Feb / -1°669.94.110.51.4
Mar12° / 6610.22.311.73.1
Apr17° / 6110.30.7135.3
May22° / 549.9014.16.9
Jun27° / 13°316.5014.77.4
Jul30° / 16°102.6014.56.2
Aug31° / 17°123.3013.56.0
Sep26° / 12°163.5012.38.2
Oct21° / 386.10117.4
Nov14° / 516.20.69.94.5
Dec / 709.82.79.31.4

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
4955
5955
6955
7955
8946
9937
10937
11937
12928
13928
14928
159010
169010
179010
188911
198812
208812
218812
228713
238614
248614
258515
268515
278515
288515
298416
308416

Chance of precipitation in September

Any precipitation

Simav gets around 16 mm of rain over 3.5 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 12% and peaks near 14% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
18
29
39
49
59
69
710
810
910
1010
1111
1211
1311
1412
1512
1613
1713
1813
1913
2013
2113
2214
2314
2414
2514
2614
2714
2814
2914
3014

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
186131
287130
388120
489110
590100
690100
79190
89190
99190
109280
119280
129370
139370
149370
159370
169460
179460
189460
199460
209550
219550
229640
239640
249640
259730
269730
279730
289820
299820
309820

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 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
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 5:37 AM to 6:04 AM, and sunset from 6:31 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:376:31
212.95:386:29
312.85:396:27
412.85:406:26
512.75:416:24
612.75:426:23
712.65:436:21
812.65:436:19
912.65:446:18
1012.55:456:16
1112.55:466:14
1212.45:476:13
1312.45:486:11
1412.35:496:09
1512.35:506:08
1612.35:516:06
1712.25:526:04
1812.25:536:03
1912.15:546:01
2012.15:555:59
2112.05:565:58
2212.05:575:56
2311.95:575:54
2411.95:585:53
2511.95:595:51
2611.86:005:49
2711.86:015:48
2811.76:025:46
2911.76:035:44
3011.66:045:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.44 kWh/m².

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 7.6 kWh/m² in July across the year — September's 5.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.0Intense
56.0Intense
66.0Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.0Bright
255.0Bright
264.9Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Simav?

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

8.2
Sightseeing
1st-best month of the year
8.0
Beach & pool
3rd-best month of the year

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

What to pack for Simav in September

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

In September, Simav sees daytime highs around 26°C and nights near 12°C. Worth packing: light clothes and sun protection. About 4 days see rain.

light clothessun protection

UV index in Simav in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Simav peaks around August 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateAug 10UV 10Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Simav 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 Simav is worst in May — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1521 µg/m³Dec 2011 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar18Moderate
Apr19Moderate
May21Moderate
Jun17Moderate
Jul12Good
Aug13Moderate
Sep12Moderate
Oct13Moderate
Nov12Moderate
Dec11Good
Location & terrain

Where is Simav?

Simav sits at 39.1°N, 29.0°E, 826 m above sea level, in Turkey. The nearest listed city is Demirci, 28 km away.

Topography around Simav

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

Within 3 km, the terrain around Simav has large variations in elevation — a maximum elevation change of 800 m around an average of 925 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,121 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,145 m.

The land around Simav is covered by trees (46%) and cropland (27%) within 3 km, trees (47%) and grassland (33%) within 16 km, and trees (45%) and grassland (35%) within 80 km.

3 km
800 m
16 km
1,121 m
80 km
2,145 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Demirci 28 km · Gediz 37 km · Emet 37 km · Uşak 59 km · Dursunbey 63 km · Kula 67 km · Tavşanlı 68 km · Banaz 78 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 Simav (39.0882°, 28.9777°, elevation 826 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).