Zlín weather in September

In September, Zlín sees average daytime highs of 19°C and overnight lows near 10°C, with 76 mm of rain across 10.5 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 21°C in the first days to 16°C by the end. The sky is clear or mostly clear about 28% 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 Zlín's 3rd-clearest and 9th-windiest month. For the whole year in context, see Zlín's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
76 mm
10.5 wet days
Daylight
12 h 24 min
5:33 AM – 5:54 PM
Cloud cover
60%
3rd clearest
Wind
11 km/h
9th windiest
Solar energy
3.27 kWh/m²
Travel score
5.8
out of 10

Zlín is town in the Czech Republic.

Air quality
Elevated
PM2.5 17.6 µg/m³ · 2019
Density
710/km²
people per km²
Founded
1322

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 21°C in the first days to 16°C by the end.

A typical September day in Zlín reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 24°C. Set against its neighbours, September runs about 5°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42111
52011
62011
72011
82011
92011
102011
111911
121910
131910
141910
151910
161910
171810
181810
19189
20189
21189
22189
23179
24179
25179
26179
27178
28178
29168
30168

How September really feels in Zlín

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.

Zlín 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 / -4°4610.37.28.50.0
Feb / -3°439.56.69.80.0
Mar / 5111.13.811.61.2
Apr14° / 529.91.313.44.0
May18° / 8113.6015.15.5
Jun22° / 12°9113.2015.96.1
Jul24° / 14°10513.9015.66.4
Aug24° / 14°8011.4014.26.7
Sep19° / 10°7610.5012.45.8
Oct13° / 559.30.410.53.5
Nov / 529.93.28.90.8
Dec / -2°4910.15.88.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35050
44951
54951
64852
74852
84753
94654
104753
114753
124753
134654
144555
154654
164654
174555
184555
194555
204555
214654
224654
234654
244654
254555
264456
274456
284456
294456
304258

Chance of precipitation in September

Any precipitation

Zlín gets around 76 mm of rain over 10.5 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 35% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
337
437
537
637
737
837
937
1037
1137
1237
1336
1436
1536
1636
1736
1835
1935
2034
2134
2233
2333
2432
2532
2632
2732
2832
2932
3032

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 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167267
269256
370255
471245
572244
673234
774233
874233
976222
1076222
1177212
1279201
1380191
1481181
1582171
1683161
1785150
1886140
1987130
2088120
2189110
2290100
239190
249280
259370
269370
279370
289460
299460
309460

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:11 AM to 5:54 AM, and sunset from 6:27 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:116:27
213.25:126:25
313.25:146:23
413.15:156:21
513.05:176:19
613.05:186:17
712.95:196:14
812.95:216:12
912.85:226:10
1012.75:246:08
1112.75:256:06
1212.65:276:03
1312.55:286:01
1412.55:305:59
1512.45:315:57
1612.45:335:54
1712.35:345:52
1812.25:365:50
1912.25:375:48
2012.15:395:45
2112.05:405:43
2212.05:425:41
2311.95:435:39
2411.95:455:36
2511.85:465:34
2611.75:485:32
2711.75:495:30
2811.65:515:28
2911.55:535:25
3011.55:545:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.27 kWh/m².

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 5.52 kWh/m² in June across the year — September's 3.27 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
14.0Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.4Moderate
143.4Moderate
153.3Moderate
163.3Moderate
173.2Moderate
183.2Moderate
193.1Moderate
203.1Moderate
213.0Moderate
223.0Moderate
233.0Moderate
242.9Moderate
252.9Moderate
262.8Moderate
272.8Moderate
282.7Moderate
292.7Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Zlín?

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

5.8
Sightseeing
4th-best month of the year
2.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Zlín for sightseeing.

What to pack for Zlín in September

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

In September, Zlín sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Zlín 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 Zlín 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 22 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 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7Very high
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Zlín 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 Zlín is worst in June — around 21 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Zlín's WHO annual average of 17.6 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1621 µg/m³Dec 1413 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar20Moderate
Apr20Moderate
May20Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep18Moderate
Oct15Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Zlín?

Zlín sits at 49.2°N, 17.7°E, 229 m above sea level, in Czechia. The nearest listed city is Otrokovice, 10 km away.

PřerovValašské Meziříčí

Topography around Zlín

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

Within 3 km, the terrain around Zlín has significant variations in elevation — a maximum elevation change of 272 m around an average of 302 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 584 m; within 80 km, large variations in elevation — a maximum elevation change of 1,172 m.

The land around Zlín is covered by trees (59%) and artificial surfaces (23%) within 3 km, trees (49%), cropland (24%) and grassland (20%) within 16 km, and trees (48%) and cropland (33%) within 80 km.

3 km
272 m
16 km
584 m
80 km
1,172 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Otrokovice 10 km · Kroměříž 22 km · Uherský Brod 22 km · Uherské Hradiště 23 km · Stare Mesto 24 km · Vsetín 27 km · Přerov 30 km · Valašské Meziříčí 35 km

Czechia travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 59% of US
price level, 2025
GDP per capita
$35,917
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
5.9
per 100k/yr, 2019
Income group
High
World Bank
English
High
EF EPI 582
Religion
none 48%believers unaffiliated with a religious society 9%Roman Catholic 7%other believers belonging to a church or religious society 6%

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 Zlín (49.2264°, 17.6706°, elevation 229 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).