Łask weather in September

In September, Łask sees average daytime highs of 19°C and overnight lows near 9°C, with 58 mm of rain across 10.1 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 21°C in the first days to 17°C by the end. The sky is clear or mostly clear about 23% 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 Łask's 6th-clearest and 8th-windiest month. For the whole year in context, see Łask's year-round climate.

Daytime high
19°
4th warmest
Overnight low
9th coldest
Rainfall
58 mm
10.1 wet days
Daylight
12 h 24 min
5:26 AM – 5:49 PM
Cloud cover
64%
6th clearest
Wind
13 km/h
8th windiest
Solar energy
3.05 kWh/m²
Travel score
5.9
out of 10

Łask is city of Poland.

Density
1,212/km²
people per km²
Founded
1050

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 17°C by the end.

A typical September day in Łask 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 25°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)
12112
22111
32111
42111
52111
62111
72011
82011
92010
102010
112010
121910
131910
141910
151910
16199
17199
18189
19189
20189
21189
22189
23178
24178
25178
26178
27178
28178
29168
30168

How September really feels in Łask

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.

Łask 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°4210.55.98.10.0
Feb / -3°399.35.39.60.0
Mar / -0°4710.53.311.50.9
Apr14° / 439.81.113.63.9
May19° / 6812.20.115.35.7
Jun22° / 12°7012.6016.36.2
Jul24° / 14°9212.8015.96.5
Aug24° / 13°6010.8014.46.7
Sep19° / 5810.1012.45.9
Oct13° / 469.20.210.43.5
Nov / 4192.48.60.8
Dec / -2°4410.24.67.70.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44357
54258
64357
74357
84357
94258
104357
114258
124258
134159
144159
154159
164159
174060
184060
194060
204060
214060
224060
234060
243961
253961
263961
273862
283862
293763
303862

Chance of precipitation in September

Any precipitation

Łask gets around 58 mm of rain over 10.1 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 33% and peaks near 37% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
636
736
836
936
1035
1135
1234
1334
1433
1533
1632
1732
1832
1931
2031
2131
2231
2331
2430
2530
2630
2731
2831
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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
172235
272235
374224
474224
574224
676213
776213
877203
978202
1079192
1180182
1281172
1382162
1484151
1584151
1685141
1786131
1887121
1988111
2089101
219091
229280
239280
249370
259370
269370
279370
289370
299370
309370

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3014light 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 5:01 AM to 5:50 AM, and sunset from 6:25 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:016:25
213.35:036:23
313.35:056:20
413.25:066:18
513.15:086:16
613.15:106:13
713.05:116:11
812.95:136:09
912.95:156:06
1012.85:166:04
1112.75:186:01
1212.75:195:59
1312.65:215:57
1412.55:235:54
1512.55:245:52
1612.45:265:49
1712.35:285:47
1812.35:295:45
1912.25:315:42
2012.15:335:40
2112.15:345:37
2212.05:365:35
2311.95:385:33
2411.85:395:30
2511.85:415:28
2611.75:435:25
2711.65:445:23
2811.65:465:21
2911.55:485:18
3011.45:505:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.05 kWh/m².

For context, solar energy here swings from a low near 0.61 kWh/m² to a high of 5.44 kWh/m² in June across the year — September's 3.05 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.5Moderate
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
183.0Moderate
192.9Moderate
202.9Moderate
212.9Moderate
222.8Moderate
232.8Moderate
242.7Moderate
252.7Moderate
262.6Moderate
272.6Moderate
282.5Moderate
292.5Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Łask?

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

5.9
Sightseeing
4th-best month of the year
2.5
Beach & pool
4th-best month of the year

September is a reasonable time to visit Łask for sightseeing.

What to pack for Łask in September

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

In September, Łask 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 Łask 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 Łask peaks around June 20 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 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 20UV 6Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr4Moderate
May5High
Jun7High
Jul6High
Aug6High
Sep4Moderate
Oct2Low
Nov1Low
Dec1Low

Air quality in Łask 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 Łask is worst in June — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1717 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar16Moderate
Apr16Moderate
May15Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep14Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Łask?

Łask sits at 51.6°N, 19.1°E, 171 m above sea level, in Poland. The nearest listed city is Zduńska Wola, 13 km away.

Topography around Łask

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

Within 3 km, the terrain around Łask has only modest variations in elevation — a maximum elevation change of 50 m around an average of 177 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 113 m; within 80 km, significant variations in elevation — a maximum elevation change of 485 m.

The land around Łask is covered by trees (38%) and grassland (32%) within 3 km, trees (41%), cropland (32%) and grassland (23%) within 16 km, and cropland (49%) and trees (33%) within 80 km.

3 km
50 m
16 km
113 m
80 km
485 m
treesgrasslandcroplandartificial surfaceswetland
September weather nearby: Zduńska Wola 13 km · Pabianice 17 km · Konstantynów Łódzki 22 km · Sieradz 28 km · Aleksandrów Łódzki 28 km · Bełchatów 29 km · Łódź 31 km · Zgierz 35 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 Łask (51.5906°, 19.1328°, elevation 171 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).