Paranaguá weather in September

In September, Paranaguá sees average daytime highs of 22°C and overnight lows near 17°C, with 150 mm of rain across 16.6 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 15% of the time in September, and the air most often feels humid.

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 Paranaguá's 10th-clearest and 4th-windiest month. For the whole year in context, see Paranaguá's year-round climate.

Daytime high
22°
9th warmest
Overnight low
17°
4th coldest
Rainfall
150 mm
16.6 wet days
Daylight
11 h 54 min
7:13 AM – 7:04 PM
Cloud cover
75%
10th clearest
Wind
8 km/h
4th windiest
Solar energy
3.67 kWh/m²
Travel score
5.4
out of 10

Paranaguá 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 22°C through the month.

A typical September day in Paranaguá reaches about 22°C in the afternoon and slips back to 17°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°C. Set against its neighbours, September runs on par with August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12217
22217
32217
42217
52217
62217
72217
82217
92217
102217
112217
122217
132217
142217
152217
162217
172217
182218
192218
202218
212218
222218
232218
242218
252218
262218
272218
282218
292218
302218

Paranaguá weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 23°28924.413.44.0
Feb28° / 24°2792112.94.0
Mar27° / 23°2342312.24.5
Apr26° / 21°14115.911.45.7
May23° / 18°13314.210.86.2
Jun22° / 16°10311.910.46.3
Jul21° / 15°10011.910.66.2
Aug21° / 16°8411.311.16.2
Sep22° / 17°15016.611.85.4
Oct23° / 19°16619.312.65.1
Nov25° / 21°17119.513.25.1
Dec27° / 22°21920.113.64.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 74%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14060
23763
33763
43466
53367
63169
73070
82971
92674
102674
112575
122575
132674
142575
152575
162476
172476
182575
192575
202476
212476
222476
232476
242377
252278
262278
272278
282080
292080
302080

Chance of precipitation in September

Any precipitation

Paranaguá gets around 150 mm of rain over 16.6 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 54% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
142
243
343
444
545
646
747
848
949
1050
1150
1251
1352
1453
1553
1654
1755
1856
1957
2058
2159
2260
2361
2461
2562
2662
2763
2863
2964
3064

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 40% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1122441221
2122440231
3122440241
4112439241
5112439251
6112438251
7112538261
8102538261
9102538261
10102538261
1192538261
1292539261
1392439261
1492439261
1582440262
1682440262
1782440262
1882440262
1982440252
2082441252
2182441252
2282441252
2372441252
2472341262
2572341272
2672241272
2772241282
2862241292
2962141292
3062141302

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
17calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
299calm
309calm

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 7:30 AM to 6:57 AM, and sunset from 6:58 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:306:58
211.57:296:58
311.57:276:59
411.57:266:59
511.67:257:00
611.67:247:00
711.67:237:00
811.67:227:01
911.77:217:01
1011.77:207:02
1111.77:197:02
1211.87:177:02
1311.87:167:03
1411.87:157:03
1511.87:147:04
1611.97:137:04
1711.97:127:04
1811.97:117:05
1911.97:097:05
2012.07:087:06
2112.07:077:06
2212.07:067:06
2312.07:057:07
2412.17:047:07
2512.17:037:08
2612.17:027:08
2712.17:007:08
2812.26:597:09
2912.26:587:09
3012.26:577:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.67 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.41 kWh/m² in December across the year — September's 3.67 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.8Moderate
293.8Moderate
303.8Moderate
Planning a trip in September

Is September a good time to visit Paranaguá?

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

5.4
Sightseeing
6th-best month of the year
3.8
Beach & pool
11th-best month of the year

September is a reasonable time to visit Paranaguá for sightseeing.

What to pack for Paranaguá in September

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

In September, Paranaguá sees daytime highs around 22°C and nights near 17°C. Pack rain gear. About 17 days see rain.

rain gear

Sea temperature near Paranaguá in September

The nearest coast averages about 20°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 19 km away) is warmest in February at about 27°C and coldest in August near 19°C.

It's comfortable for a long swim from Sep 18 to Jun 29 — about 9.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr25Warm
May23Refreshing
Jun21Refreshing
Jul19Cool
Aug19Cool
Sep20Cool
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Paranaguá in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Paranaguá peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 19UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5Moderate
Aug6High
Sep8Very high
Oct10Extreme
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Paranaguá?

Paranaguá sits at 25.5°S, 48.5°W, 12 m above sea level, in Brazil. The nearest listed city is Pontal do Paraná, 18 km away.

Topography around Paranaguá

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

Within 3 km, the terrain around Paranaguá has only modest variations in elevation — a maximum elevation change of 21 m around an average of 5 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 891 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,785 m.

The land around Paranaguá is covered by artificial surfaces (46%) and water (34%) within 3 km, trees (57%) and water (30%) within 16 km, and trees (62%) and water (28%) within 80 km.

3 km
21 m
16 km
891 m
80 km
1,785 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Pontal do Paraná 18 km · Antonina 21 km · Morretes 31 km · Matinhos 35 km · Guaratuba 41 km · Piraquara 55 km · Quatro Barras 58 km · Campina Grande do Sul 58 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 Paranaguá (-25.5163°, -48.5254°, elevation 12 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).