Itaperuçu weather in September

In September, Itaperuçu sees average daytime highs of 22°C and overnight lows near 12°C, with 124 mm of rain across 10.5 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 6th-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 29% 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 Itaperuçu's 6th-clearest and 1st-windiest month. For the whole year in context, see Itaperuçu's year-round climate.

Daytime high
22°
8th warmest
Overnight low
12°
5th coldest
Rainfall
124 mm
10.5 wet days
Daylight
11 h 54 min
7:16 AM – 7:07 PM
Cloud cover
65%
6th clearest
Wind
10 km/h
1st windiest
Solar energy
4.06 kWh/m²
Travel score
6.4
out of 10

Itaperuçu 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 Itaperuçu reaches about 22°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102212
112212
122212
132212
142212
152212
162212
172212
182112
192112
202112
212112
222113
232113
242113
252113
262113
272113
282113
292113
302213

Itaperuçu weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°2332313.44.6
Feb26° / 18°19220.112.94.7
Mar25° / 17°12617.512.25.6
Apr23° / 15°709.611.46.8
May20° / 12°868.810.86.4
Jun19° / 11°948.510.56.3
Jul19° / 10°857.410.66.5
Aug21° / 11°727.211.17.0
Sep22° / 12°12410.511.86.4
Oct23° / 14°1251412.65.9
Nov24° / 15°12314.913.25.9
Dec25° / 17°16518.713.55.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25347
35149
45050
54852
64753
74654
84456
94357
104258
114060
123961
133961
143961
153862
163862
173664
183763
193565
203565
213466
223466
233367
243169
253070
262971
272971
282872
292872
302773

Chance of precipitation in September

Any precipitation

Itaperuçu gets around 124 mm of rain over 10.5 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 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
126
227
327
428
528
629
729
830
930
1031
1131
1232
1333
1433
1534
1634
1735
1836
1937
2038
2138
2239
2340
2441
2541
2642
2742
2843
2943
3043

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1563860
2553960
3534070
4534070
5514180
6514180
7504190
8494290
9494290
10484290
114743100
124743100
134643100
144643110
154543110
164543120
174543120
184443120
194442131
204442131
214442141
224442141
234341151
244241161
254141171
264040181
274040201
283940211
293839221
303739231

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
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 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 7:33 AM to 7:00 AM, and sunset from 7:02 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:337:02
211.57:327:02
311.57:317:02
411.67:297:03
511.67:287:03
611.67:277:04
711.67:267:04
811.77:257:04
911.77:247:05
1011.77:237:05
1111.77:227:05
1211.87:217:06
1311.87:197:06
1411.87:187:07
1511.87:177:07
1611.97:167:07
1711.97:157:08
1811.97:147:08
1911.97:137:09
2012.07:127:09
2112.07:107:09
2212.07:097:10
2312.07:087:10
2412.17:077:10
2512.17:067:11
2612.17:057:11
2712.17:047:12
2812.27:037:12
2912.27:027:13
3012.27:007:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.06 kWh/m².

For context, solar energy here swings from a low near 2.79 kWh/m² to a high of 5.56 kWh/m² in December across the year — September's 4.06 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in September

Is September a good time to visit Itaperuçu?

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

6.4
Sightseeing
4th-best month of the year
4.2
Beach & pool
8th-best month of the year

September is a reasonable time to visit Itaperuçu for sightseeing.

What to pack for Itaperuçu in September

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

In September, Itaperuçu sees daytime highs around 22°C and nights near 12°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Itaperuçu 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 Itaperuçu peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 19UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun6High
Jul5High
Aug7High
Sep7High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Itaperuçu 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 Itaperuçu is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1118 µg/m³Dec 2110 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun14Moderate
Jul16Moderate
Aug17Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Itaperuçu?

Itaperuçu sits at 25.2°S, 49.3°W, 978 m above sea level, in Brazil. The nearest listed city is Rio Branco do Sul, 5.0 km away.

Topography around Itaperuçu

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

Within 3 km, the terrain around Itaperuçu has significant variations in elevation — a maximum elevation change of 302 m around an average of 1,009 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 652 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,807 m.

The land around Itaperuçu is covered by trees (59%) within 3 km, trees (81%) within 16 km, and trees (72%) within 80 km.

3 km
302 m
16 km
652 m
80 km
1,807 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Rio Branco do Sul 5.0 km · Almirante Tamandaré 12 km · Colombo 15 km · Campo Magro 20 km · Curitiba 24 km · Pinhais 29 km · Campina Grande do Sul 31 km · Quatro Barras 32 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 Itaperuçu (-25.22°, -49.3478°, elevation 978 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).