Prudnik weather in September

In September, Prudnik sees average daytime highs of 17°C and overnight lows near 9°C, with 83 mm of rain across 11.7 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 19°C in the first days to 15°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 Prudnik's 4th-clearest and 8th-windiest month. For the whole year in context, see Prudnik's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Rainfall
83 mm
11.7 wet days
Daylight
12 h 24 min
5:33 AM – 5:55 PM
Cloud cover
63%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
3.08 kWh/m²
Travel score
5.2
out of 10

Prudnik is city in Opole voivodeship, Poland.

Air quality
Elevated
PM2.5 17.3 µg/m³ · 2019
Density
1,139/km²
people per km²
Founded
1255

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 Prudnik reaches about 17°C in the afternoon and slips back to 9°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 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12011
22011
31911
41911
51911
61910
71910
81810
91810
101810
111810
121810
13189
14189
15179
16179
17179
18179
19179
20179
21168
22168
23168
24168
25168
26168
27158
28158
29158
30157

How September really feels in Prudnik

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.

Prudnik 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°4510.98.78.30.0
Feb / -4°399.889.70.0
Mar / -1°5612.5611.50.5
Apr12° / 6212.12.213.53.1
May17° / 9414.90.115.24.8
Jun20° / 11°11214.7016.15.5
Jul22° / 13°12915.2015.75.9
Aug22° / 13°9612.8014.36.3
Sep17° / 8311.7012.45.2
Oct12° / 5810.50.810.53.0
Nov / 4910.43.78.80.6
Dec / -3°4610.57.27.90.0

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 17% of September, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24357
34357
44456
54357
64357
74258
84357
94258
104258
114258
124159
134159
144159
154258
164258
174258
184159
194159
204060
214060
224060
234060
244159
254060
264060
274060
283961
293862
303862

Chance of precipitation in September

Any precipitation

Prudnik gets around 83 mm of rain over 11.7 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 39% and peaks near 42% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
242
342
442
542
642
742
842
942
1042
1141
1241
1340
1440
1539
1639
1739
1838
1938
2038
2137
2237
2336
2436
2536
2636
2736
2836
2936
3036

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 (%)
173225
275214
376204
477203
578193
679192
780182
881181
982171
1082171
1183161
1283161
1385150
1486140
1587130
1688120
1789110
1889110
1990100
209190
219280
229370
239460
249550
259550
269550
279640
289640
299640
309730

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
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 5:09 AM to 5:55 AM, and sunset from 6:29 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:096:29
213.35:116:27
313.25:136:25
413.15:146:23
513.15:166:20
613.05:176:18
713.05:196:16
812.95:206:14
912.85:226:11
1012.85:236:09
1112.75:256:07
1212.65:276:04
1312.65:286:02
1412.55:306:00
1512.45:315:58
1612.45:335:55
1712.35:345:53
1812.25:365:51
1912.25:385:48
2012.15:395:46
2112.05:415:44
2212.05:425:41
2311.95:445:39
2411.95:455:37
2511.85:475:34
2611.75:495:32
2711.75:505:30
2811.65:525:28
2911.55:535:25
3011.55:555:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.08 kWh/m².

For context, solar energy here swings from a low near 0.73 kWh/m² to a high of 5.23 kWh/m² in June across the year — September's 3.08 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.5Moderate
63.5Moderate
73.4Moderate
83.4Moderate
93.4Moderate
103.3Moderate
113.3Moderate
123.3Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
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 Prudnik?

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

5.2
Sightseeing
4th-best month of the year
1.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Prudnik for sightseeing.

What to pack for Prudnik in September

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

In September, Prudnik sees daytime highs around 17°C and nights near 9°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Prudnik 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 Prudnik peaks around June 20 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 20 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 20UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Prudnik 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 Prudnik is worst in June — around 21 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Prudnik's WHO annual average of 17.3 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1521 µg/m³Dec 1113 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb16Moderate
Mar20Moderate
Apr19Moderate
May20Moderate
Jun21Moderate
Jul19Moderate
Aug19Moderate
Sep17Moderate
Oct14Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Prudnik?

Prudnik sits at 50.3°N, 17.6°E, 270 m above sea level, in Poland. The nearest listed city is Głuchołazy, 14 km away.

OpoleKędzierzyn-KoźleOpava

Topography around Prudnik

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

Within 3 km, the terrain around Prudnik has only modest variations in elevation — a maximum elevation change of 146 m around an average of 268 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 705 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,372 m.

The land around Prudnik is covered by cropland (58%) and trees (20%) within 3 km, cropland (61%) and trees (25%) within 16 km, and cropland (43%) and trees (40%) within 80 km.

3 km
146 m
16 km
705 m
80 km
1,372 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Głuchołazy 14 km · Nysa 24 km · Krnov 27 km · Krapkowice 33 km · Bruntál 38 km · Opole 46 km · Kędzierzyn-Koźle 46 km · Opava 49 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 Prudnik (50.3212°, 17.5746°, elevation 270 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).