Nowy Sącz weather in September

In September, Nowy Sącz sees average daytime highs of 18°C and overnight lows near 8°C, with 78 mm of rain across 11.4 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 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 Nowy Sącz's 3rd-clearest and 9th-windiest month. For the whole year in context, see Nowy Sącz's year-round climate.

Daytime high
18°
4th warmest
Overnight low
9th coldest
Rainfall
78 mm
11.4 wet days
Daylight
12 h 24 min
5:21 AM – 5:42 PM
Cloud cover
63%
3rd clearest
Wind
9 km/h
9th windiest
Solar energy
3.16 kWh/m²
Travel score
5.3
out of 10

Nowy Sącz is town in Lesser Poland Voivodeship, Poland.

Air quality
High
PM2.5 27.3 µg/m³ · 2019
Density
1,480/km²
people per km²
Founded
1292

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 15°C by the end.

A typical September day in Nowy Sącz reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°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)
12010
22010
32010
41910
5199
6199
7199
8199
9199
10189
11189
12188
13188
14188
15188
16178
17178
18178
19177
20177
21177
22167
23167
24167
25167
26166
27166
28166
29156
30156

How September really feels in Nowy Sącz

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.

Nowy Sącz 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 / -6°4410.498.40.0
Feb / -5°46119.39.80.0
Mar / -1°5212.26.611.50.7
Apr13° / 6912.72.713.43.3
May17° / 10615.40.115.14.9
Jun21° / 11°10915.10165.5
Jul22° / 12°12816.4015.65.7
Aug22° / 12°8913.3014.26.3
Sep18° / 7811.4012.45.3
Oct12° / 6510.9110.53.2
Nov / 4910.34.58.90.7
Dec / -4°4410.78.280.0

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 (%)
14555
24555
34555
44555
54456
64357
74357
84258
94258
104258
114060
123961
133961
143961
153961
163763
173763
183763
193763
203763
213763
223763
233763
243862
253961
263961
274060
284060
294060
303961

Chance of precipitation in September

Any precipitation

Nowy Sącz gets around 78 mm of rain over 11.4 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
342
442
541
640
740
840
939
1039
1138
1238
1338
1437
1537
1637
1737
1837
1937
2037
2137
2237
2337
2437
2537
2637
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 (%)
171245
273234
375223
475223
577212
678202
779201
880191
981181
1082171
1184160
1285150
1386140
1487130
1588120
1688120
1789110
1890100
199190
209280
219280
229370
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 8 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
18calm
28calm
38calm
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 4:58 AM to 5:42 AM, and sunset from 6:16 PM to 5:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.34:586:16
213.24:596:14
313.25:016:12
413.15:026:09
513.15:046:07
613.05:056:05
712.95:076:03
812.95:086:00
912.85:105:58
1012.75:125:56
1112.75:135:54
1212.65:155:51
1312.65:165:49
1412.55:185:47
1512.45:195:45
1612.45:215:42
1712.35:225:40
1812.25:245:38
1912.25:255:36
2012.15:275:33
2112.05:285:31
2212.05:305:29
2311.95:315:27
2411.95:335:24
2511.85:345:22
2611.75:365:20
2711.75:375:18
2811.65:395:15
2911.55:415:13
3011.55:425:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.16 kWh/m².

For context, solar energy here swings from a low near 0.8 kWh/m² to a high of 5.19 kWh/m² in June across the year — September's 3.16 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.7Moderate
33.7Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.5Moderate
83.5Moderate
93.5Moderate
103.4Moderate
113.4Moderate
123.3Moderate
133.3Moderate
143.2Moderate
153.2Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.6Moderate
Planning a trip in September

Is September a good time to visit Nowy Sącz?

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

5.3
Sightseeing
4th-best month of the year
1.6
Beach & pool
4th-best month of the year

September is a reasonable time to visit Nowy Sącz for sightseeing.

What to pack for Nowy Sącz in September

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

In September, Nowy Sącz sees daytime highs around 18°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 Nowy Sącz 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 Nowy Sącz peaks around July 10 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 10UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7Very high
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Nowy Sącz 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 Nowy Sącz is worst in June — around 34 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 19 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Nowy Sącz's WHO annual average of 27.3 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2034 µg/m³Dec 1719 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb24Moderate
Mar31Moderate
Apr32Moderate
May31Moderate
Jun34Moderate
Jul33Moderate
Aug31Moderate
Sep25Moderate
Oct22Moderate
Nov22Moderate
Dec19Moderate
Location & terrain

Where is Nowy Sącz?

Nowy Sącz sits at 49.6°N, 20.7°E, 293 m above sea level, in Poland. The nearest listed city is Gorlice, 34 km away.

BrzeskoBochniaTarnówNowy TargBardejovKežmarok

Topography around Nowy Sącz

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

Within 3 km, the terrain around Nowy Sącz has only modest variations in elevation — a maximum elevation change of 181 m around an average of 302 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 793 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,398 m.

The land around Nowy Sącz is covered by trees (41%) and artificial surfaces (31%) within 3 km, trees (54%) and grassland (24%) within 16 km, and trees (56%) and cropland (25%) within 80 km.

3 km
181 m
16 km
793 m
80 km
2,398 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Gorlice 34 km · Stará Ľubovňa 36 km · Brzesko 39 km · Bochnia 43 km · Tarnów 48 km · Nowy Targ 51 km · Bardejov 55 km · Kežmarok 57 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 Nowy Sącz (49.6218°, 20.6971°, elevation 293 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).