Čadca weather in September

In September, Čadca sees average daytime highs of 17°C and overnight lows near 8°C, with 96 mm of rain across 12.8 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 25% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Čadca's 3rd-clearest and 9th-windiest month. For the whole year in context, see Čadca's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Rainfall
96 mm
12.8 wet days
Daylight
12 h 24 min
5:28 AM – 5:50 PM
Cloud cover
63%
3rd clearest
Wind
9 km/h
9th windiest
Solar energy
3.12 kWh/m²
Travel score
5.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 19°C in the first days to 15°C by the end.

A typical September day in Čadca reaches about 17°C in the afternoon and slips back to 8°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12010
21910
31910
41910
51910
6199
7189
8189
9189
10189
11189
12189
13189
14178
15178
16178
17178
18178
19178
20168
21167
22167
23167
24167
25167
26157
27157
28157
29157
30157

How September really feels in Čadca

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.

Čadca weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -5°6812.810.88.40.0
Feb / -5°6512.39.99.80.0
Mar / -2°7413.4711.50.6
Apr12° / 7412.72.813.43.1
May17° / 115160.115.14.7
Jun20° / 11°12416.40165.3
Jul22° / 12°13917.2015.65.6
Aug22° / 12°10613.5014.26.1
Sep17° / 9612.8012.45.0
Oct12° / 7611.61.310.52.9
Nov / 6812.15.58.90.6
Dec / -4°6812.99.980.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34456
44456
54456
64357
74258
84258
94258
104159
114159
124159
134159
144060
154060
164060
173961
183961
193961
203961
213961
224060
234060
244060
254060
264060
274060
284060
294060
303862

Chance of precipitation in September

Any precipitation

Čadca gets around 96 mm of rain over 12.8 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 42% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
147
247
347
446
546
646
746
845
945
1044
1144
1243
1342
1442
1541
1641
1741
1841
1940
2040
2140
2240
2339
2439
2539
2639
2739
2840
2940
3040

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172235
274224
376213
477203
578202
679192
779192
881181
982171
1082171
1183161
1285150
1386140
1487130
1588120
1689110
1789110
1890100
199190
209280
219370
229460
239550
249550
259640
269640
279730
289730
299730
309730

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 18 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over September. Sunrise moves from 5:06 AM to 5:50 AM, and sunset from 6:23 PM to 5:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:066:23
213.25:076:21
313.25:096:19
413.15:106:17
513.05:126:15
613.05:136:12
712.95:156:10
812.95:166:08
912.85:186:06
1012.75:196:03
1112.75:216:01
1212.65:225:59
1312.55:245:57
1412.55:255:55
1512.45:275:52
1612.45:285:50
1712.35:305:48
1812.25:315:45
1912.25:335:43
2012.15:345:41
2112.05:365:39
2212.05:375:36
2311.95:395:34
2411.95:405:32
2511.85:425:30
2611.75:445:28
2711.75:455:25
2811.65:475:23
2911.55:485:21
3011.55:505:19

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.12 kWh/m².

For context, solar energy here swings from a low near 0.76 kWh/m² to a high of 5.22 kWh/m² in June across the year — September's 3.12 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Čadca?

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

5.0
Sightseeing
4th-best month of the year
1.3
Beach & pool
4th-best month of the year

September is a reasonable time to visit Čadca for sightseeing.

What to pack for Čadca in September

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

In September, Čadca sees daytime highs around 17°C and nights near 8°C. Worth packing: rain gear. About 13 days see rain.

rain gear

UV index in Čadca in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Čadca peaks around June 23 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7Very high
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Čadca 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 Čadca is worst in June — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodJun 1717 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb13Moderate
Mar15Moderate
Apr16Moderate
May16Moderate
Jun17Moderate
Jul16Moderate
Aug16Moderate
Sep14Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Čadca?

Čadca sits at 49.4°N, 18.8°E, 428 m above sea level, in Slovakia. The nearest listed city is Žilina, 24 km away.

ŽilinaTřinecUstrońRajecke TepliceČeský TěšínCieszynŻywiecFrýdek-Místek

Topography around Čadca

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

Within 3 km, the terrain around Čadca has significant variations in elevation — a maximum elevation change of 420 m around an average of 522 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 889 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,966 m.

The land around Čadca is covered by trees (65%) within 3 km, trees (75%) within 16 km, and trees (64%) within 80 km.

3 km
420 m
16 km
889 m
80 km
1,966 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Žilina 24 km · Třinec 28 km · Ustroń 32 km · Rajecke Teplice 35 km · Český Těšín 37 km · Cieszyn 37 km · Żywiec 40 km · Frýdek-Místek 42 km

Slovakia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E / F
230 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$28,544
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.1
per 100k, 2023
Road deaths
6.1
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 606
Religion
Roman Catholic 56%none 24%Evangelical Church of the Augsburg Confession 5%Greek Catholic 4%

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 Čadca (49.435°, 18.7889°, elevation 428 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).