Třebíč weather in September

In September, Třebíč sees average daytime highs of 18°C and overnight lows near 10°C, with 66 mm of rain across 9.5 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 20°C in the first days to 15°C by the end. The sky is clear or mostly clear about 26% 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 Třebíč's 4th-clearest and 9th-windiest month. For the whole year in context, see Třebíč's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
66 mm
9.5 wet days
Daylight
12 h 24 min
5:40 AM – 6:02 PM
Cloud cover
62%
4th clearest
Wind
12 km/h
9th windiest
Solar energy
3.29 kWh/m²
Travel score
5.6
out of 10

Třebíč is town in the Czech Republic.

Air quality
Good
PM10 19.9 µg/m³ · 2019
Density
600/km²
people per km²
Founded
1101

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 20°C in the first days to 15°C by the end.

A typical September day in Třebíč reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 23°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)
12012
22011
32011
42011
51911
61911
71911
81911
91910
101910
111810
121810
131810
141810
151810
16189
17179
18179
19179
20179
21179
22179
23168
24168
25168
26168
27168
28168
29158
30158

How September really feels in Třebíč

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.

Třebíč 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°359.16.58.50.0
Feb / -3°277.559.80.0
Mar / 429.83.611.60.9
Apr13° / 429.71.113.43.6
May18° / 6813.2015.15.2
Jun21° / 12°7812.9015.95.9
Jul23° / 14°8813.4015.66.4
Aug23° / 13°7211.3014.26.6
Sep18° / 10°669.5012.45.6
Oct12° / 438.90.410.53.0
Nov / 399.12.58.90.5
Dec / -3°378.95.48.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24654
34654
44654
54555
64654
74654
84654
94654
104555
114555
124555
134555
144456
154456
164258
174258
184258
194258
204060
214060
224060
234060
243961
253862
263862
273862
283763
293664
303565

Chance of precipitation in September

Any precipitation

Třebíč gets around 66 mm of rain over 9.5 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 32% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
336
436
536
636
736
835
935
1034
1134
1233
1333
1432
1531
1631
1731
1830
1930
2029
2129
2228
2328
2428
2528
2628
2728
2829
2930
3030

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 (%)
174215
275214
376204
478193
578193
679192
780182
881181
982171
1082171
1183161
1284151
1385150
1486140
1587130
1688120
1789110
1890100
1990100
209190
219280
229370
239460
249460
259550
269640
279640
289640
299730
309730

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

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 5:18 AM to 6:01 AM, and sunset from 6:35 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:186:35
213.25:196:32
313.25:216:30
413.15:226:28
513.05:246:26
613.05:256:24
712.95:276:22
812.95:286:19
912.85:306:17
1012.75:316:15
1112.75:336:13
1212.65:346:10
1312.55:366:08
1412.55:376:06
1512.45:396:04
1612.45:406:02
1712.35:425:59
1812.25:435:57
1912.25:455:55
2012.15:465:53
2112.05:485:50
2212.05:495:48
2311.95:515:46
2411.95:525:44
2511.85:545:41
2611.75:555:39
2711.75:575:37
2811.65:585:35
2911.56:005:33
3011.56:015:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.29 kWh/m².

For context, solar energy here swings from a low near 0.78 kWh/m² to a high of 5.51 kWh/m² in June across the year — September's 3.29 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
173.3Moderate
183.2Moderate
193.2Moderate
203.1Moderate
213.1Moderate
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 Třebíč?

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

5.6
Sightseeing
4th-best month of the year
1.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Třebíč for sightseeing.

What to pack for Třebíč in September

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

In September, Třebíč sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Třebíč in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Třebíč peaks around June 22 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 22UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul7Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Třebíč 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 Třebíč is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1516 µg/m³Dec 119 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct11Good
Nov9Good
Dec9Good
Location & terrain

Where is Třebíč?

Třebíč sits at 49.2°N, 15.9°E, 405 m above sea level, in Czechia. The nearest listed city is Jihlava, 29 km away.

JihlavaŽďár nad SázavouNové Město na MoravěZnojmoBystrcHavlíčkův BrodŽabovřeskyKrálovo Pole

Topography around Třebíč

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

Within 3 km, the terrain around Třebíč has only modest variations in elevation — a maximum elevation change of 141 m around an average of 458 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 346 m; within 80 km, large variations in elevation — a maximum elevation change of 684 m.

The land around Třebíč is covered by cropland (37%), trees (24%) and artificial surfaces (20%) within 3 km, cropland (49%), trees (26%) and grassland (20%) within 16 km, and cropland (46%) and trees (37%) within 80 km.

3 km
141 m
16 km
346 m
80 km
684 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Jihlava 29 km · Žďár nad Sázavou 39 km · Nové Město na Moravě 41 km · Znojmo 42 km · Bystrc 47 km · Havlíčkův Brod 49 km · Žabovřesky 50 km · Královo Pole 51 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 Třebíč (49.2149°, 15.8817°, elevation 405 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).