Radzyń Podlaski weather in September

In September, Radzyń Podlaski sees average daytime highs of 19°C and overnight lows near 9°C, with 59 mm of rain across 9.7 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 21°C in the first days to 16°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 24 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Radzyń Podlaski's 6th-clearest and 8th-windiest month. For the whole year in context, see Radzyń Podlaski's year-round climate.

Daytime high
19°
5th warmest
Overnight low
9th coldest
Rainfall
59 mm
9.7 wet days
Daylight
12 h 24 min
5:12 AM – 5:36 PM
Cloud cover
64%
6th clearest
Wind
12 km/h
8th windiest
Solar energy
3.02 kWh/m²
Travel score
5.8
out of 10

Radzyń Podlaski is city and urban gmina of Poland.

Air quality
Good
PM10 26.7 µg/m³ · 2019
Density
832/km²
people per km²
Founded
1468

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 21°C in the first days to 16°C by the end.

A typical September day in Radzyń Podlaski reaches about 19°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 13°C and 24°C. Set against its neighbours, September runs about 6°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12111
22111
32111
42111
52111
62011
72010
82010
92010
102010
111910
121910
13199
14199
15199
16189
17189
18189
19189
20188
21178
22178
23178
24178
25178
26168
27167
28167
29167
30167

How September really feels in Radzyń Podlaski

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.

Radzyń Podlaski 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 / -4°389.76.18.10.0
Feb / -4°359.66.19.60.0
Mar / -1°4210.63.911.50.8
Apr14° / 479.8113.63.9
May19° / 6912.30.115.45.8
Jun22° / 12°7312016.46.3
Jul25° / 14°8112.50166.5
Aug24° / 13°669.4014.46.9
Sep19° / 599.7012.45.8
Oct12° / 469.40.410.43.3
Nov / 399.438.60.6
Dec / -3°389.95.27.60.0

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 14% of September, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24456
34456
44357
54258
64258
74159
84060
94159
104060
114060
124060
133961
143961
153862
163862
173763
183763
193763
203664
213763
223664
233664
243664
253664
263763
273664
283664
293664
303664

Chance of precipitation in September

Any precipitation

Radzyń Podlaski gets around 59 mm of rain over 9.7 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
133
234
334
434
534
634
734
834
934
1034
1134
1233
1333
1432
1531
1631
1730
1830
1930
2030
2130
2230
2329
2429
2529
2630
2730
2830
2930
3030

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 (%)
170255
270255
372244
472244
573234
675223
775223
876213
978202
1078202
1179192
1280182
1381172
1483161
1583161
1684151
1785141
1886131
1987121
2088111
2189101
229091
239190
249280
259370
269370
279370
289370
299460
309460

Wind in September

Winds average 12 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
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 24 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 120 minutes over September. Sunrise moves from 4:47 AM to 5:36 AM, and sunset from 6:11 PM to 5:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.44:476:11
213.34:496:09
313.34:506:07
413.24:526:04
513.14:546:02
613.14:556:00
713.04:575:57
812.94:595:55
912.95:005:52
1012.85:025:50
1112.75:045:48
1212.75:055:45
1312.65:075:43
1412.55:095:40
1512.55:105:38
1612.45:125:36
1712.35:145:33
1812.35:155:31
1912.25:175:28
2012.15:195:26
2112.15:205:24
2212.05:225:21
2311.95:245:19
2411.85:265:16
2511.85:275:14
2611.75:295:11
2711.65:315:09
2811.65:325:07
2911.55:345:04
3011.45:365:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.02 kWh/m².

For context, solar energy here swings from a low near 0.56 kWh/m² to a high of 5.53 kWh/m² in June across the year — September's 3.02 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
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.0Moderate
173.0Moderate
182.9Moderate
192.9Moderate
202.8Moderate
212.8Moderate
222.7Moderate
232.7Moderate
242.6Moderate
252.6Moderate
262.5Moderate
272.5Moderate
282.5Moderate
292.4Moderate
302.4Moderate
Planning a trip in September

Is September a good time to visit Radzyń Podlaski?

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

5.8
Sightseeing
4th-best month of the year
2.3
Beach & pool
5th-best month of the year

September is a reasonable time to visit Radzyń Podlaski for sightseeing.

What to pack for Radzyń Podlaski in September

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

In September, Radzyń Podlaski sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear. About 10 days see rain.

rain gear

UV index in Radzyń Podlaski 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 Radzyń Podlaski peaks around July 14 at about 6 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 14UV 6Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun6High
Jul6High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Radzyń Podlaski?

Radzyń Podlaski sits at 51.8°N, 22.6°E, 144 m above sea level, in Poland. The nearest listed city is Łuków, 23 km away.

Biała PodlaskaSiedlceŁęcznaDęblinLublin

Topography around Radzyń Podlaski

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

Within 3 km, the terrain around Radzyń Podlaski has only modest variations in elevation — a maximum elevation change of 27 m around an average of 150 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, only modest variations in elevation — a maximum elevation change of 205 m.

The land around Radzyń Podlaski is covered by cropland (54%) and grassland (20%) within 3 km, cropland (52%), trees (25%) and grassland (21%) within 16 km, and cropland (44%) and trees (35%) within 80 km.

3 km
27 m
16 km
83 m
80 km
205 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Łuków 23 km · Międzyrzec Podlaski 25 km · Lubartów 36 km · Biała Podlaska 44 km · Siedlce 48 km · Łęczna 57 km · Dęblin 59 km · Lublin 59 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 Radzyń Podlaski (51.7833°, 22.6167°, elevation 144 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).