Sanok weather in September

In September, Sanok sees average daytime highs of 18°C and overnight lows near 9°C, with 87 mm of rain across 11.9 wet days and about 12.4 hours of daylight. It is the 5th-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 26% 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 Sanok's 3rd-clearest and 8th-windiest month. For the whole year in context, see Sanok's year-round climate.

Daytime high
18°
5th warmest
Overnight low
9th coldest
Rainfall
87 mm
11.9 wet days
Daylight
12 h 24 min
5:15 AM – 5:36 PM
Cloud cover
62%
3rd clearest
Wind
11 km/h
8th windiest
Solar energy
3.18 kWh/m²
Travel score
5.3
out of 10

Sanok is city and urban gmina of Poland.

Air quality
Good
PM10 24.4 µg/m³ · 2019
Density
1,033/km²
people per km²
Founded
1150

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 Sanok 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 12°C and 23°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)
12011
22010
32010
42010
52010
61910
71910
81910
9199
10199
11199
12189
13189
14189
15189
16189
17178
18178
19178
20178
21178
22178
23168
24168
25167
26167
27167
28167
29157
30157

How September really feels in Sanok

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.

Sanok weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-1° / -5°5212.110.38.40.0
Feb / -5°5511.49.39.80.0
Mar / -1°5711.86.111.50.6
Apr13° / 6913.5213.43.3
May18° / 107160.115.15.0
Jun21° / 11°10415.50165.6
Jul23° / 13°13116.4015.65.8
Aug23° / 12°8912.7014.26.4
Sep18° / 8711.9012.45.3
Oct12° / 7011110.53.2
Nov / 5711.24.98.90.6
Dec / -4°5512.39.480.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54753
64753
74654
84654
94555
104456
114357
124357
134258
144258
154159
164159
174060
184060
194060
203862
213862
223961
233961
243961
254060
264060
274159
284258
294159
304159

Chance of precipitation in September

Any precipitation

Sanok gets around 87 mm of rain over 11.9 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 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
241
341
440
540
640
740
840
940
1041
1141
1241
1340
1440
1540
1640
1739
1839
1939
2039
2139
2239
2338
2438
2537
2637
2737
2836
2936
3035

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 83% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
167276
269265
371254
472244
574233
674233
776222
877212
979201
1079201
1180191
1282180
1383170
1484160
1584160
1685150
1786140
1887130
1988120
2088120
2189110
2290100
2390100
249190
259190
269280
279280
289280
299370
309370

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
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
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 4:52 AM to 5:36 AM, and sunset from 6:10 PM to 5:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.34:526:10
213.24:536:08
313.24:556:05
413.14:566:03
513.14:586:01
613.05:005:59
712.95:015:57
812.95:035:54
912.85:045:52
1012.75:065:50
1112.75:075:48
1212.65:095:45
1312.65:105:43
1412.55:125:41
1512.45:135:39
1612.45:155:36
1712.35:165:34
1812.25:185:32
1912.25:195:30
2012.15:215:27
2112.05:225:25
2212.05:245:23
2311.95:255:21
2411.95:275:18
2511.85:285:16
2611.75:305:14
2711.75:315:12
2811.65:335:09
2911.55:355:07
3011.55:365:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.18 kWh/m².

For context, solar energy here swings from a low near 0.74 kWh/m² to a high of 5.34 kWh/m² in June across the year — September's 3.18 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
83.5Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.8Moderate
242.8Moderate
252.7Moderate
262.7Moderate
272.7Moderate
282.6Moderate
292.6Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Sanok?

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
1.7
Beach & pool
4th-best month of the year

September is a reasonable time to visit Sanok for sightseeing.

What to pack for Sanok in September

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

In September, Sanok sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Sanok 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 Sanok peaks around June 22 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7High
Aug7High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Sanok?

Sanok sits at 49.6°N, 22.2°E, 289 m above sea level, in Poland. The nearest listed city is Krosno, 35 km away.

PrzemyślRzeszówJasłoŁańcutPrzeworskJarosławSnina

Topography around Sanok

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

Within 3 km, the terrain around Sanok has only modest variations in elevation — a maximum elevation change of 224 m around an average of 324 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 436 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,206 m.

The land around Sanok is covered by trees (48%) and grassland (24%) within 3 km, trees (59%) and cropland (23%) within 16 km, and trees (61%) and cropland (23%) within 80 km.

3 km
224 m
16 km
436 m
80 km
1,206 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Krosno 35 km · Przemyśl 48 km · Rzeszów 56 km · Jasło 57 km · Łańcut 57 km · Przeworsk 60 km · Jarosław 61 km · Snina 63 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 Sanok (49.5557°, 22.2056°, elevation 289 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).