Rakovník weather in September

In September, Rakovník sees average daytime highs of 18°C and overnight lows near 9°C, with 56 mm of rain across 9.8 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 20°C in the first days to 16°C by the end. The sky is clear or mostly clear about 23% 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 Rakovník's 3rd-clearest and 9th-windiest month. For the whole year in context, see Rakovník's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Rainfall
56 mm
9.8 wet days
Daylight
12 h 24 min
5:48 AM – 6:10 PM
Cloud cover
63%
3rd clearest
Wind
11 km/h
9th windiest
Solar energy
3.22 kWh/m²
Travel score
5.7
out of 10

Rakovník is town in the Czech Republic.

Density
848/km²
people per km²
Founded
1252

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 Rakovník 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 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)
12111
22111
32011
42011
52011
62011
72011
82010
91910
101910
111910
121910
131910
141910
15189
16189
17189
18189
19189
20189
21178
22178
23178
24178
25178
26168
27168
28168
29168
30168

How September really feels in Rakovník

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.

Rakovník 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°3510.15.58.30.0
Feb / -2°307.84.59.70.0
Mar / 4310.83.411.51.2
Apr13° / 4410.50.813.53.6
May18° / 6913.4015.25.3
Jun21° / 12°8012.8016.16.0
Jul23° / 13°8812.9015.76.4
Aug23° / 13°7711.6014.36.6
Sep18° / 569.8012.45.7
Oct12° / 459.40.310.53.3
Nov / 408.328.80.6
Dec / -2°389.34.77.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14159
24258
34159
44159
54159
64159
74060
84060
94159
104060
114159
124060
134159
144060
154060
163961
173862
183763
193862
203862
213763
223763
233763
243664
253664
263565
273565
283565
293466
303367

Chance of precipitation in September

Any precipitation

Rakovník gets around 56 mm of rain over 9.8 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 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
335
435
535
634
734
834
934
1033
1133
1233
1332
1432
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2733
2833
2934
3034

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
276204
377194
478193
579183
680182
781172
881172
982162
1084151
1184151
1285141
1385141
1486131
1587121
1688111
1789110
1890100
199190
209280
219280
229370
239460
249460
259550
269550
279640
289640
299640
309730

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
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
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 5:25 AM to 6:10 AM, and sunset from 6:44 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:256:44
213.35:276:42
313.25:286:40
413.15:306:38
513.15:316:36
613.05:336:33
712.95:346:31
812.95:366:29
912.85:376:27
1012.85:396:24
1112.75:416:22
1212.65:426:20
1312.65:446:17
1412.55:456:15
1512.45:476:13
1612.45:486:10
1712.35:506:08
1812.25:516:06
1912.25:536:04
2012.15:556:01
2112.05:565:59
2212.05:585:57
2311.95:595:54
2411.96:015:52
2511.86:025:50
2611.76:045:48
2711.76:065:45
2811.66:075:43
2911.56:095:41
3011.56:105:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.22 kWh/m².

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 5.45 kWh/m² in June across the year — September's 3.22 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.3Moderate
163.2Moderate
173.2Moderate
183.1Moderate
193.1Moderate
203.0Moderate
213.0Moderate
223.0Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.7Moderate
282.7Moderate
292.6Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Rakovník?

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
2.1
Beach & pool
4th-best month of the year

September is a reasonable time to visit Rakovník for sightseeing.

What to pack for Rakovník in September

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

In September, Rakovník 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 Rakovník 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 Rakovník peaks around June 21 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 21UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7Very high
Aug7High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low

Air quality in Rakovník 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 Rakovník is worst in April — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1321 µg/m³Dec 1414 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May18Moderate
Jun20Moderate
Jul18Moderate
Aug19Moderate
Sep18Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Rakovník?

Rakovník sits at 50.1°N, 13.7°E, 322 m above sea level, in Czechia. The nearest listed city is Kladno, 27 km away.

ŽatecLounyBerounSlanýKarlštejnŘepyStodůlky

Topography around Rakovník

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

Within 3 km, the terrain around Rakovník has only modest variations in elevation — a maximum elevation change of 174 m around an average of 363 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Rakovník is covered by trees (43%) and cropland (33%) within 3 km, trees (47%) and cropland (38%) within 16 km, and trees (45%) and cropland (33%) within 80 km.

3 km
174 m
16 km
384 m
80 km
1,205 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Kladno 27 km · Žatec 28 km · Louny 29 km · Beroun 29 km · Slaný 29 km · Karlštejn 37 km · Řepy 41 km · Stodůlky 42 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 Rakovník (50.1037°, 13.7334°, elevation 322 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).