Pato Branco weather in September

In September, Pato Branco sees average daytime highs of 23°C and overnight lows near 13°C, with 177 mm of rain across 11.3 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 43% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Pato Branco's 3rd-clearest and 1st-windiest month. For the whole year in context, see Pato Branco's year-round climate.

Daytime high
23°
8th warmest
Overnight low
13°
5th coldest
Rainfall
177 mm
11.3 wet days
Daylight
11 h 48 min
7:30 AM – 7:20 PM
Cloud cover
52%
3rd clearest
Wind
12 km/h
1st windiest
Solar energy
4.81 kWh/m²
Travel score
6.8
out of 10

Pato Branco is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical September day in Pato Branco reaches about 23°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12312
22312
32312
42312
52312
62312
72312
82312
92312
102312
112312
122312
132312
142313
152313
162313
172313
182313
192313
202313
212313
222313
232313
242313
252313
262313
272313
282313
292413
302413

Pato Branco weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°17319.613.55.0
Feb27° / 18°16418.312.95.0
Mar27° / 17°14514.712.25.9
Apr24° / 14°12410.911.46.8
May21° / 11°1421010.76.5
Jun20° / 10°14910.110.46.3
Jul20° / 1259.110.56.5
Aug22° / 11°1027.911.17.2
Sep23° / 13°17711.311.86.8
Oct25° / 15°21215.412.66.0
Nov26° / 16°15813.913.36.1
Dec27° / 17°18217.713.65.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16337
26238
36238
46040
56040
65941
75941
85743
95743
105644
115644
125545
135545
145446
155446
165347
175347
185248
195248
205149
215050
225149
235050
244951
254852
264852
274753
284654
294654
304555

Chance of precipitation in September

Any precipitation

Pato Branco gets around 177 mm of rain over 11.3 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 37% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
128
228
329
430
530
631
732
832
933
1034
1134
1235
1336
1436
1537
1638
1738
1839
1940
2041
2141
2242
2342
2443
2543
2644
2744
2844
2944
3045

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1563680
2543790
3543790
45337100
55237110
65137120
75137120
85037130
94937131
104837141
114837151
124736151
134736161
144735171
154735181
164734181
174733191
184733191
194732202
204632202
214632212
224531222
234431222
244332232
254232242
264132252
274032262
283833272
293733283
303633283

Wind in September

Winds average 12 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 12 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 7:47 AM to 7:13 AM, and sunset from 7:14 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:477:14
211.57:467:15
311.57:447:15
411.57:437:15
511.67:427:16
611.67:417:16
711.67:407:17
811.67:397:17
911.77:387:18
1011.77:377:18
1111.77:357:18
1211.77:347:19
1311.87:337:19
1411.87:327:20
1511.87:317:20
1611.87:307:20
1711.97:287:21
1811.97:277:21
1911.97:267:22
2012.07:257:22
2112.07:247:23
2212.07:237:23
2312.07:217:23
2412.17:207:24
2512.17:197:24
2612.17:187:25
2712.17:177:25
2812.27:167:26
2912.27:157:26
3012.27:137:27

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.81 kWh/m².

For context, solar energy here swings from a low near 2.9 kWh/m² to a high of 6.28 kWh/m² in December across the year — September's 4.81 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Pato Branco?

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

6.8
Sightseeing
2nd-best month of the year
5.4
Beach & pool
5th-best month of the year

September is a reasonable time to visit Pato Branco for sightseeing.

What to pack for Pato Branco in September

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

In September, Pato Branco sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Pato Branco in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pato Branco peaks around January 23 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighVery highExtremeJan 23UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep7Very high
Oct9Very high
Nov12Extreme
Dec13Extreme

Air quality in Pato Branco 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 Pato Branco is worst in September — around 18 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1517 µg/m³Mar 116 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug13Moderate
Sep18Moderate
Oct11Good
Nov8Good
Dec6Good
Location & terrain

Where is Pato Branco?

Pato Branco sits at 26.2°S, 52.7°W, 769 m above sea level, in Brazil. The nearest listed city is São Lourenço do Oeste, 23 km away.

Topography around Pato Branco

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

Within 3 km, the terrain around Pato Branco has only modest variations in elevation — a maximum elevation change of 169 m around an average of 805 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 559 m; within 80 km, large variations in elevation — a maximum elevation change of 967 m.

The land around Pato Branco is covered by artificial surfaces (41%) and trees (27%) within 3 km, cropland (50%) and trees (36%) within 16 km, and trees (43%) and cropland (39%) within 80 km.

3 km
169 m
16 km
559 m
80 km
967 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: São Lourenço do Oeste 23 km · Coronel Vivida 30 km · Marmeleiro 37 km · Clevelândia 37 km · Francisco Beltrão 42 km · Chopinzinho 44 km · Abelardo Luz 51 km · Mangueirinha 59 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Pato Branco (-26.2286°, -52.6706°, elevation 769 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).