Kościerzyna in Fall
In fall (September, October and November), Kościerzyna sees average daytime highs around 11°C and overnight lows near 5°C, with 137 mm of precipitation over about 28 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 19°C in early September to 3°C by late November. The sky is clear or mostly clear about 15% of the time across fall, and the air most often feels dry.
Fall is Kościerzyna's 2nd-best season to visit on our travel score. For the whole year in context, see Kościerzyna's year-round climate.
- Avg daytime high
- 11°C
- 2nd-warmest season
- Avg overnight low
- 5°C
- Precipitation
- 137 mm
- 28 wet days
- Avg wind
- 15 km/h
- Travel score
- 2.8
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Kościerzyna in Fall
Over the season highs ease from about 19°C in early September to 3°C by late November.
A typical fall day in Kościerzyna reaches about 11°C and drops to 5°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Kościerzyna
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 34 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Kościerzyna weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 1° / -4° | 43 | 10.1 | 5.8 | 7.7 | 0.0 |
| Feb | 2° / -3° | 34 | 8.7 | 5.2 | 9.4 | 0.0 |
| Mar | 6° / -1° | 42 | 10 | 3.7 | 11.5 | 0.4 |
| Apr | 12° / 3° | 37 | 9.4 | 1.1 | 13.7 | 3.0 |
| May | 17° / 7° | 63 | 11.9 | 0 | 15.7 | 5.1 |
| Jun | 19° / 11° | 70 | 12.6 | 0 | 16.8 | 5.7 |
| Jul | 22° / 13° | 88 | 13.2 | 0 | 16.4 | 6.1 |
| Aug | 22° / 13° | 70 | 12.5 | 0 | 14.6 | 6.2 |
| Sep | 17° / 9° | 53 | 9.2 | 0 | 12.5 | 5.3 |
| Oct | 11° / 5° | 46 | 10.1 | 0.2 | 10.2 | 2.8 |
| Nov | 5° / 1° | 37 | 8.9 | 2.1 | 8.3 | 0.4 |
| Dec | 2° / -2° | 45 | 10.3 | 5 | 7.2 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 15% of the time across fall.
Chance of precipitation in Fall
Kościerzyna gets around 137 mm of rain and snow over 28 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 15 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 30 min in early September to 7 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 1.7 kWh/m².
Is fall a good time to visit Kościerzyna?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Kościerzyna.
What to pack for Kościerzyna in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Kościerzyna sees daytime highs around 11°C and nights near 5°C. Pack a warm layer. Worth having: a heavy coat and rain gear. About 28 days see rain.
Sea temperature near Kościerzyna in Fall
The nearest coast averages about 13°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 65 km away) is warmest in August at about 19°C and coldest in February near 3°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 4 | 3 | 3 | 5 | 10 | 14 | 18 | 19 | 17 | 13 | 9 | 6 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 4 | Bracing |
| Feb | 3 | Bracing |
| Mar | 3 | Bracing |
| Apr | 5 | Bracing |
| May | 10 | Bracing |
| Jun | 14 | Bracing |
| Jul | 18 | Cool |
| Aug | 19 | Cool |
| Sep | 17 | Cool |
| Oct | 13 | Bracing |
| Nov | 9 | Bracing |
| Dec | 6 | Bracing |
UV index in Kościerzyna in Fall
Clear-sky midday UV across fall averages around 2. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kościerzyna peaks around June 18 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 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 4 | 5 | 6 | 6 | 5 | 4 | 2 | 1 | 0 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 4 | Moderate |
| May | 5 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 5 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Low |
| Nov | 1 | Low |
| Dec | 0 | Low |
Air quality in Kościerzyna in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Kościerzyna is worst in April — around 29 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 14 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Kościerzyna's WHO annual average of 22.8 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 21 | 28 | 29 | 26 | 28 | 26 | 25 | 22 | 19 | 16 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 21 | Moderate |
| Mar | 28 | Moderate |
| Apr | 29 | Moderate |
| May | 26 | Moderate |
| Jun | 28 | Moderate |
| Jul | 26 | Moderate |
| Aug | 25 | Moderate |
| Sep | 22 | Moderate |
| Oct | 19 | Moderate |
| Nov | 16 | Moderate |
| Dec | 14 | Moderate |
Where is Kościerzyna?
Kościerzyna sits at 54.1°N, 18.0°E, 162 m above sea level, in Poland. The nearest listed city is Kartuzy, 27 km away.
Topography around Kościerzyna
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kościerzyna.
Within 3 km, the terrain around Kościerzyna has only modest variations in elevation — a maximum elevation change of 74 m around an average of 177 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 215 m; within 80 km, significant variations in elevation — a maximum elevation change of 339 m.
The land around Kościerzyna is covered by trees (45%) and grassland (24%) within 3 km, trees (53%) and cropland (23%) within 16 km, and trees (45%) and cropland (32%) within 80 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
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 Kościerzyna (54.1223°, 17.9812°, 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.