Stalowa Wola weather in September

In September, Stalowa Wola sees average daytime highs of 20°C and overnight lows near 10°C, with 72 mm of rain across 10.3 wet days and about 12.4 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 17°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 Stalowa Wola's 4th-clearest and 8th-windiest month. For the whole year in context, see Stalowa Wola's year-round climate.

Daytime high
20°
5th warmest
Overnight low
10°
9th coldest
Rainfall
72 mm
10.3 wet days
Daylight
12 h 24 min
5:15 AM – 5:37 PM
Cloud cover
63%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
3.1 kWh/m²
Travel score
6.0
out of 10

Stalowa Wola is city of Poland.

Air quality
Good
PM10 25.4 µg/m³ · 2019
Density
801/km²
people per km²
Founded
1938

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 22°C in the first days to 17°C by the end.

A typical September day in Stalowa Wola reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 26°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)
12212
22212
32212
42211
52211
62111
72111
82111
92111
102111
112010
122010
132010
142010
152010
161910
171910
18199
19199
20199
21189
22189
23189
24189
25188
26188
27178
28178
29178
30178

How September really feels in Stalowa Wola

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.

Stalowa Wola weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°4110.56.58.30.0
Feb / -3°399.96.19.70.0
Mar / 4610.63.311.51.2
Apr15° / 5110.50.813.54.3
May20° / 7813.3015.25.8
Jun23° / 13°7812.8016.16.3
Jul25° / 15°8913.1015.86.3
Aug25° / 14°6110.4014.36.8
Sep20° / 10°7210.3012.46.0
Oct14° / 519.10.310.43.9
Nov / 439.22.58.71.0
Dec / -2°409.54.57.80.0

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 (%)
14852
24852
34753
44753
54654
64654
74456
84555
94456
104357
114357
124258
134159
144258
154159
164159
174060
184159
194159
204060
214060
223961
234060
243961
253961
263961
273961
283961
293961
303961

Chance of precipitation in September

Any precipitation

Stalowa Wola gets around 72 mm of rain over 10.3 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 34% 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
935
1035
1135
1235
1335
1435
1534
1634
1734
1834
1934
2034
2133
2233
2333
2433
2533
2632
2732
2832
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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167267
267267
369256
471245
571245
672244
773234
873234
975223
1075223
1177212
1278202
1378202
1480191
1581181
1682171
1783161
1884151
1985141
2086131
2186131
2287121
2389110
2490100
259190
269190
279190
289280
299280
309280

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
2512calm
2612calm
2712calm
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 4:51 AM to 5:37 AM, and sunset from 6:12 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.34:516:12
213.34:536:10
313.24:546:07
413.24:566:05
513.14:576:03
613.04:596:01
713.05:015:58
812.95:025:56
912.85:045:54
1012.85:055:51
1112.75:075:49
1212.65:085:47
1312.65:105:44
1412.55:125:42
1512.45:135:40
1612.45:155:37
1712.35:165:35
1812.25:185:33
1912.25:205:30
2012.15:215:28
2112.05:235:26
2212.05:245:23
2311.95:265:21
2411.95:285:19
2511.85:295:16
2611.75:315:14
2711.75:325:12
2811.65:345:10
2911.55:365:07
3011.55:375:05

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 0.67 kWh/m² to a high of 5.44 kWh/m² in June across the year — September's 3.1 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.7Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.5Moderate
83.5Moderate
93.4Moderate
103.4Moderate
113.3Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.5Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Stalowa Wola?

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

6.0
Sightseeing
4th-best month of the year
2.9
Beach & pool
5th-best month of the year

September is a reasonable time to visit Stalowa Wola for sightseeing.

What to pack for Stalowa Wola in September

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

In September, Stalowa Wola sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Stalowa Wola 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 Stalowa Wola peaks around June 23 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Stalowa Wola 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 Stalowa Wola is worst in June — around 16 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2116 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar14Moderate
Apr15Moderate
May14Moderate
Jun16Moderate
Jul15Moderate
Aug14Moderate
Sep12Moderate
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Stalowa Wola?

Stalowa Wola sits at 50.6°N, 22.1°E, 162 m above sea level, in Poland. The nearest listed city is Nisko, 9.0 km away.

KraśnikBiłgorajMielecŁańcutRzeszów

Topography around Stalowa Wola

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

Within 3 km, the terrain around Stalowa Wola has only modest variations in elevation — a maximum elevation change of 41 m around an average of 160 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 85 m; within 80 km, significant variations in elevation — a maximum elevation change of 488 m.

The land around Stalowa Wola is covered by trees (46%), grassland (22%) and artificial surfaces (21%) within 3 km, trees (64%) and grassland (23%) within 16 km, and trees (44%) and cropland (37%) within 80 km.

3 km
41 m
16 km
85 m
80 km
488 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Nisko 9.0 km · Sandomierz 24 km · Tarnobrzeg 26 km · Kraśnik 40 km · Biłgoraj 47 km · Mielec 55 km · Łańcut 59 km · Rzeszów 60 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 Stalowa Wola (50.5829°, 22.0533°, elevation 162 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).