České Budějovice weather in September

In September, České Budějovice sees average daytime highs of 18°C and overnight lows near 10°C, with 60 mm of rain across 9.7 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 16°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 České Budějovice's 4th-clearest and 9th-windiest month. For the whole year in context, see České Budějovice's year-round climate.

Daytime high
18°
4th warmest
Overnight low
10°
9th coldest
Rainfall
60 mm
9.7 wet days
Daylight
12 h 24 min
5:46 AM – 6:07 PM
Cloud cover
62%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
3.29 kWh/m²
Travel score
5.9
out of 10

České Budějovice is city in the Czech Republic.

Air quality
Moderate
PM2.5 12.8 µg/m³ · 2019
Density
1,677/km²
people per km²
Founded
1265

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 16°C by the end.

A typical September day in České Budějovice reaches about 18°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
32012
42011
52011
62011
72011
82011
91911
101911
111910
121910
131910
141910
151910
161810
171810
18189
19189
20189
21189
22179
23179
24179
25179
26178
27178
28178
29168
30168

How September really feels in České Budějovice

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.

České Budějovice 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 / -3°409.75.98.50.0
Feb / -3°318.24.29.80.0
Mar / 47113.711.61.5
Apr14° / 439.31.313.44.0
May18° / 7512.70155.5
Jun22° / 12°7813.3015.96.0
Jul24° / 14°9013.5015.66.4
Aug23° / 14°7911.1014.26.7
Sep18° / 10°609.7012.45.9
Oct13° / 4890.410.53.5
Nov / 428.82.28.90.8
Dec / -2°40104.98.10.0

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 17% of September, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34555
44555
54555
64456
74456
84456
94456
104357
114357
124456
134456
144357
154258
164258
174159
184159
194159
204159
214159
224159
234060
244060
254060
263961
273961
283862
293763
303664

Chance of precipitation in September

Any precipitation

České Budějovice gets around 60 mm of rain over 9.7 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 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
635
735
835
934
1034
1133
1233
1332
1432
1532
1631
1731
1831
1931
2031
2130
2230
2330
2430
2530
2630
2730
2830
2931
3031

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
168266
270255
370255
472244
573243
675232
775232
876222
978211
1079201
1179201
1280191
1382180
1483170
1584160
1685150
1786140
1887130
1988120
2089110
2190100
2290100
239190
249280
259370
269370
279460
289550
299550
309640

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 9 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
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

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 5:24 AM to 6:07 AM, and sunset from 6:40 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:246:40
213.25:256:38
313.25:276:36
413.15:286:33
513.05:306:31
613.05:316:29
712.95:336:27
812.85:346:25
912.85:356:23
1012.75:376:20
1112.75:386:18
1212.65:406:16
1312.55:416:14
1412.55:436:12
1512.45:446:09
1612.45:466:07
1712.35:476:05
1812.25:496:03
1912.25:506:00
2012.15:525:58
2112.05:535:56
2212.05:555:54
2311.95:565:52
2411.95:585:49
2511.85:595:47
2611.76:015:45
2711.76:025:43
2811.66:045:41
2911.66:055:38
3011.56:075:36

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 0.85 kWh/m² to a high of 5.41 kWh/m² in June across the year — September's 3.29 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.5Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.3Moderate
163.3Moderate
173.3Moderate
183.2Moderate
193.2Moderate
203.1Moderate
213.1Moderate
223.1Moderate
233.0Moderate
243.0Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.8Moderate
292.8Moderate
302.7Moderate
Planning a trip in September

Is September a good time to visit České Budějovice?

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

5.9
Sightseeing
4th-best month of the year
2.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit České Budějovice for sightseeing.

What to pack for České Budějovice in September

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

In September, České Budějovice 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 České Budějovice 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 České Budějovice peaks around July 13 at about 8 (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 highHighModerateLowJul 13UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun7Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

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

Seasonal pattern from CAMS reanalysis, scaled to České Budějovice's WHO annual average of 12.8 µg/m³.

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1516 µg/m³Nov 189 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb11Good
Mar15Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug14Moderate
Sep12Good
Oct10Good
Nov9Good
Dec10Good
Location & terrain

Where is České Budějovice?

České Budějovice sits at 49.0°N, 14.5°E, 381 m above sea level, in Czechia. The nearest listed city is Cesky Krumlov, 22 km away.

Jindřichův HradecPísekTáborStrakonicePelhřimov

Topography around České Budějovice

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

Within 3 km, the terrain around České Budějovice has only modest variations in elevation — a maximum elevation change of 52 m around an average of 396 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 393 m; within 80 km, large variations in elevation — a maximum elevation change of 1,188 m.

The land around České Budějovice is covered by artificial surfaces (48%) and trees (21%) within 3 km, trees (41%), cropland (27%) and grassland (24%) within 16 km, and trees (48%), grassland (24%) and cropland (24%) within 80 km.

3 km
52 m
16 km
393 m
80 km
1,188 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Cesky Krumlov 22 km · Jindřichův Hradec 43 km · Písek 44 km · Tábor 51 km · Strakonice 52 km · Pelhřimov 74 km · Linz 76 km · Traun 86 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 České Budějovice (48.9745°, 14.4743°, elevation 381 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).