Strakonice weather in September

In September, Strakonice sees average daytime highs of 18°C and overnight lows near 9°C, with 60 mm of rain across 10 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 24% 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 Strakonice's 4th-clearest and 9th-windiest month. For the whole year in context, see Strakonice's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Rainfall
60 mm
10 wet days
Daylight
12 h 24 min
5:48 AM – 6:09 PM
Cloud cover
63%
4th clearest
Wind
9 km/h
9th windiest
Solar energy
3.29 kWh/m²
Travel score
5.7
out of 10

Strakonice is town in the Czech Republic.

Density
645/km²
people per km²
Founded
1243

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 Strakonice reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°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)
12011
22011
32011
42011
52011
62010
71910
81910
91910
101910
111910
121910
13189
14189
15189
16189
17189
18189
19189
20178
21178
22178
23178
24178
25178
26168
27168
28168
29168
30167

How September really feels in Strakonice

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.

Strakonice 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°4010.26.58.50.0
Feb / -3°328.24.89.80.0
Mar / 4911.64.111.61.2
Apr13° / 4510.21.413.43.6
May18° / 7713.5015.15.3
Jun21° / 12°8413.4015.95.9
Jul23° / 13°9014015.66.3
Aug23° / 13°8311.5014.26.6
Sep18° / 6010012.45.7
Oct12° / 499.60.510.53.3
Nov / 428.92.68.90.7
Dec / -2°4210.15.68.10.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% 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 60%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24654
34555
44456
54456
64456
74357
84357
94357
104357
114258
124159
134258
144159
154159
164060
173862
183862
193862
203862
213961
223763
233763
243763
253763
263763
273565
283565
293565
303466

Chance of precipitation in September

Any precipitation

Strakonice gets around 60 mm of rain over 10 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 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
836
936
1036
1135
1235
1335
1434
1534
1633
1733
1833
1932
2032
2131
2231
2331
2431
2531
2631
2732
2832
2933
3033

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 (%)
172253
273243
375232
476222
576222
678211
779201
880191
981181
1082171
1183161
1284160
1385150
1486140
1587130
1688120
1789110
1890100
199190
209280
219370
229460
239460
249550
259550
269640
279640
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 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 5:26 AM to 6:09 AM, and sunset from 6:43 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:266:43
213.25:276:40
313.25:296:38
413.15:306:36
513.05:326:34
613.05:336:32
712.95:356:30
812.95:366:27
912.85:376:25
1012.75:396:23
1112.75:406:21
1212.65:426:18
1312.55:436:16
1412.55:456:14
1512.45:466:12
1612.45:486:09
1712.35:496:07
1812.25:516:05
1912.25:526:03
2012.15:546:01
2112.05:555:58
2212.05:575:56
2311.95:585:54
2411.96:005:52
2511.86:025:49
2611.76:035:47
2711.76:055:45
2811.66:065:43
2911.56:085:40
3011.56:095:38

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 0.82 kWh/m² to a high of 5.45 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
23.9Moderate
33.8Moderate
43.8Moderate
53.7Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.4Moderate
133.4Moderate
143.4Moderate
153.3Moderate
163.3Moderate
173.2Moderate
183.2Moderate
193.2Moderate
203.1Moderate
213.1Moderate
223.0Moderate
233.0Moderate
243.0Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.7Moderate
302.7Moderate
Planning a trip in September

Is September a good time to visit Strakonice?

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

5.7
Sightseeing
4th-best month of the year
2.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Strakonice for sightseeing.

What to pack for Strakonice in September

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

In September, Strakonice sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Strakonice 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 Strakonice peaks around June 23 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 highHighModerateLowJun 23UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Strakonice 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 Strakonice is worst in April — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1616 µg/m³Dec 118 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar15Moderate
Apr16Moderate
May15Moderate
Jun16Moderate
Jul14Moderate
Aug14Moderate
Sep12Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Strakonice?

Strakonice sits at 49.3°N, 13.9°E, 393 m above sea level, in Czechia. The nearest listed city is Písek, 19 km away.

KlatovyPříbramČeské BudějoviceTáborCesky KrumlovPilsenKarlštejn

Topography around Strakonice

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

Within 3 km, the terrain around Strakonice has only modest variations in elevation — a maximum elevation change of 188 m around an average of 425 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 478 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,240 m.

The land around Strakonice is covered by trees (33%), cropland (29%) and grassland (20%) within 3 km, cropland (35%), trees (31%) and grassland (30%) within 16 km, and trees (50%), grassland (23%) and cropland (23%) within 80 km.

3 km
188 m
16 km
478 m
80 km
1,240 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Písek 19 km · Klatovy 46 km · Příbram 48 km · České Budějovice 52 km · Tábor 57 km · Cesky Krumlov 58 km · Pilsen 66 km · Karlštejn 78 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 Strakonice (49.2614°, 13.9024°, elevation 393 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).