Bochnia weather in September

In September, Bochnia sees average daytime highs of 19°C and overnight lows near 10°C, with 72 mm of rain across 10.8 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 22°C in the first days to 17°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 Bochnia's 3rd-clearest and 8th-windiest month. For the whole year in context, see Bochnia's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
9th coldest
Rainfall
72 mm
10.8 wet days
Daylight
12 h 24 min
5:22 AM – 5:44 PM
Cloud cover
62%
3rd clearest
Wind
10 km/h
8th windiest
Solar energy
3.14 kWh/m²
Travel score
6.0
out of 10

Bochnia is town and urban gmina in Lesser Poland Voivodeship in southern Poland.

Air quality
Elevated
PM2.5 23.1 µg/m³ · 2019
Density
976/km²
people per km²
Founded
1198

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 22°C in the first days to 17°C by the end.

A typical September day in Bochnia reaches about 19°C in the afternoon and slips back to 10°C overnight — a 10°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 5°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12212
22212
32211
42111
52111
62111
72111
82111
92011
102010
112010
122010
132010
142010
151910
16199
17199
18199
19199
20199
21189
22189
23188
24188
25188
26188
27178
28178
29178
30178

How September really feels in Bochnia

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.

Bochnia 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°421178.40.0
Feb / -3°4210.46.79.70.0
Mar / 5011.43.911.51.4
Apr15° / 5911.11.413.54.2
May19° / 9014.2015.15.6
Jun22° / 12°8913016.16.1
Jul24° / 14°10514.5015.76.3
Aug24° / 14°7210.9014.36.8
Sep19° / 10°7210.8012.46.0
Oct14° / 5910.10.410.54.0
Nov / 469.92.78.81.2
Dec / -2°41105.77.90.0

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 (%)
15050
25050
34951
44951
54852
64852
74852
84753
94753
104555
114555
124456
134258
144357
154258
164159
174060
184159
194060
204060
213961
223862
233862
243961
253961
263961
274060
284060
294060
304060

Chance of precipitation in September

Any precipitation

Bochnia gets around 72 mm of rain over 10.8 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
837
937
1036
1136
1236
1335
1435
1535
1634
1734
1834
1935
2035
2135
2235
2335
2435
2535
2635
2734
2834
2934
3034

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1622810
264279
365278
466277
567267
668266
769265
870264
971254
1072253
1173243
1275232
1376222
1477212
1578202
1680191
1781181
1882171
1983161
2085141
2186131
2287121
2388111
2490100
259190
269190
279280
289280
299370
309370

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 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
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:43 AM, and sunset from 6:17 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.34:586:17
213.35:006:15
313.25:026:13
413.15:036:11
513.15:056:09
613.05:066:06
712.95:086:04
812.95:096:02
912.85:116:00
1012.85:125:57
1112.75:145:55
1212.65:155:53
1312.65:175:51
1412.55:185:48
1512.45:205:46
1612.45:225:44
1712.35:235:41
1812.25:255:39
1912.25:265:37
2012.15:285:34
2112.05:295:32
2212.05:315:30
2311.95:325:28
2411.95:345:25
2511.85:365:23
2611.75:375:21
2711.75:395:19
2811.65:405:16
2911.55:425:14
3011.55:435:12

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.14 kWh/m².

For context, solar energy here swings from a low near 0.75 kWh/m² to a high of 5.32 kWh/m² in June across the year — September's 3.14 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
93.4Moderate
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
252.7Moderate
262.7Moderate
272.6Moderate
282.6Moderate
292.6Moderate
302.5Moderate
Planning a trip in September

Is September a good time to visit Bochnia?

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

6.0
Sightseeing
4th-best month of the year
2.8
Beach & pool
4th-best month of the year

September is a reasonable time to visit Bochnia for sightseeing.

What to pack for Bochnia in September

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

In September, Bochnia sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Bochnia 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 Bochnia peaks around June 23 at about 7 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 23UV 7Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug6High
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Bochnia 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 Bochnia is worst in June — around 27 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 17 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Bochnia's WHO annual average of 23.1 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2027 µg/m³Dec 1717 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb21Moderate
Mar26Moderate
Apr26Moderate
May25Moderate
Jun27Moderate
Jul27Moderate
Aug26Moderate
Sep23Moderate
Oct20Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Bochnia?

Bochnia sits at 50.0°N, 20.4°E, 218 m above sea level, in Poland. The nearest listed city is Brzesko, 13 km away.

TarnówSkawina

Topography around Bochnia

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

Within 3 km, the terrain around Bochnia has only modest variations in elevation — a maximum elevation change of 165 m around an average of 241 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 297 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,558 m.

The land around Bochnia is covered by trees (52%) and grassland (24%) within 3 km, trees (51%), grassland (24%) and cropland (21%) within 16 km, and trees (49%) and cropland (31%) within 80 km.

3 km
165 m
16 km
297 m
80 km
1,558 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Brzesko 13 km · Wieliczka 26 km · Bieńczyce 32 km · Grzegórzki 35 km · Krakow 37 km · Myślenice 38 km · Tarnów 40 km · Skawina 43 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 Bochnia (49.9691°, 20.4303°, elevation 218 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).