Wałbrzych weather in September

In September, Wałbrzych sees average daytime highs of 17°C and overnight lows near 8°C, with 74 mm of rain across 11.3 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 19°C in the first days to 15°C by the end. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Wałbrzych's 4th-clearest and 8th-windiest month. For the whole year in context, see Wałbrzych's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Rainfall
74 mm
11.3 wet days
Daylight
12 h 24 min
5:38 AM – 6:01 PM
Cloud cover
64%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
3.1 kWh/m²
Travel score
5.0
out of 10

Wałbrzych is city in Poland.

Density
1,503/km²
people per km²
Founded
~850 CE

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 19°C in the first days to 15°C by the end.

A typical September day in Wałbrzych reaches about 17°C in the afternoon and slips back to 8°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 22°C. Set against its neighbours, September runs about 5°C cooler than August and about 5°C warmer than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11910
21910
31910
41810
51810
61810
71810
8189
9189
10179
11179
12179
13179
14179
15178
16168
17168
18168
19168
20168
21168
22167
23157
24157
25157
26157
27157
28157
29147
30147

How September really feels in Wałbrzych

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.

Wałbrzych 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 / -5°4711.18.98.20.0
Feb / -4°399.77.59.70.0
Mar / -1°5612.66.711.50.4
Apr12° / 5211.32.213.52.8
May16° / 87140.115.24.6
Jun19° / 10°10114.3016.25.4
Jul22° / 12°11815.8015.85.7
Aug21° / 12°9112.7014.36.1
Sep17° / 7411.3012.45.0
Oct11° / 5510.60.810.42.7
Nov / 459.83.98.70.4
Dec / -3°4510.97.37.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13763
23862
33862
43763
53763
63763
73763
83961
93961
103961
113961
124060
134060
144060
154060
163961
173961
183862
193862
203763
213763
223763
233763
243664
253664
263565
273565
283565
293565
303466

Chance of precipitation in September

Any precipitation

Wałbrzych gets around 74 mm of rain over 11.3 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 38% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
343
442
542
642
741
840
940
1039
1139
1238
1337
1437
1537
1636
1736
1836
1936
2036
2135
2235
2336
2436
2536
2636
2736
2837
2937
3037

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 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
177194
279183
380173
482162
583152
683152
785141
885141
986131
1086131
1188120
1288120
1388120
1489110
1590100
1690100
179190
189280
199280
209370
219460
229550
239550
249640
259640
269730
279730
289730
299820
309820

Wind in September

Winds average 11 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
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 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 114 minutes over September. Sunrise moves from 5:14 AM to 6:00 AM, and sunset from 6:35 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:146:35
213.35:166:33
313.25:176:31
413.25:196:28
513.15:206:26
613.05:226:24
713.05:236:22
812.95:256:19
912.85:276:17
1012.85:286:15
1112.75:306:12
1212.65:316:10
1312.65:336:08
1412.55:356:05
1512.45:366:03
1612.45:386:01
1712.35:395:58
1812.25:415:56
1912.25:435:54
2012.15:445:51
2112.05:465:49
2212.05:475:46
2311.95:495:44
2411.95:515:42
2511.85:525:39
2611.75:545:37
2711.75:565:35
2811.65:575:32
2911.55:595:30
3011.56:005:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.1 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.32 kWh/m² in June across the year — September's 3.1 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.5Moderate
83.4Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Wałbrzych?

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

5.0
Sightseeing
4th-best month of the year
1.0
Beach & pool
4th-best month of the year

September is a reasonable time to visit Wałbrzych for sightseeing.

What to pack for Wałbrzych in September

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

In September, Wałbrzych sees daytime highs around 17°C and nights near 8°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Wałbrzych 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 Wałbrzych peaks around June 19 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJun 19UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Wałbrzych 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 Wałbrzych is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1716 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar15Moderate
Apr15Moderate
May15Moderate
Jun16Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Wałbrzych?

Wałbrzych sits at 50.8°N, 16.3°E, 495 m above sea level, in Poland. The nearest listed city is Boguszów-Gorce, 6.0 km away.

Topography around Wałbrzych

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

Within 3 km, the terrain around Wałbrzych has significant variations in elevation — a maximum elevation change of 266 m around an average of 477 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 756 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,503 m.

The land around Wałbrzych is covered by trees (63%) within 3 km, trees (50%), grassland (24%) and cropland (22%) within 16 km, and cropland (42%) and trees (40%) within 80 km.

3 km
266 m
16 km
756 m
80 km
1,503 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Boguszów-Gorce 6.0 km · Świebodzice 10 km · Świdnica 16 km · Kamienna Góra 18 km · Strzegom 22 km · Bielawa 25 km · Nowa Ruda 26 km · Dzierżoniów 26 km

Poland travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 52% of US
price level, 2025
GDP per capita
$28,420
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
0.8
per 100k, 2023
Road deaths
9.4
per 100k/yr, 2019
Income group
High
World Bank
English
Very high
EF EPI 600
Religion
Roman Catholic 71%refused to answer 21%no religion 7%

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 Wałbrzych (50.7714°, 16.2843°, elevation 495 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).