Pão de Açúcar weather in September

In September, Pão de Açúcar sees average daytime highs of 31°C and overnight lows near 21°C, with 14 mm of rain across 5.1 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 30% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Pão de Açúcar's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Pão de Açúcar's year-round climate.

Daytime high
31°
8th warmest
Overnight low
21°
3rd coldest
Rainfall
14 mm
5.1 wet days
Daylight
11 h 54 min
5:26 AM – 5:22 PM
Cloud cover
50%
2nd clearest
Wind
14 km/h
2nd windiest
Solar energy
5.28 kWh/m²
Travel score
5.2
out of 10

Pão de Açúcar 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

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical September day in Pão de Açúcar reaches about 31°C in the afternoon and slips back to 21°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143121
153121
163121
173121
183121
193121
203121
213121
223121
233221
243222
253222
263222
273222
283222
293222
303222

How September really feels in Pão de Açúcar

Once humidity and wind are folded in, September averages 16 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
16
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Pão de Açúcar weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 24°325.212.53.1
Feb34° / 24°336.312.33.2
Mar34° / 24°388.412.13.2
Apr33° / 24°387.711.83.9
May30° / 23°4011.111.64.7
Jun29° / 21°3611.311.45.5
Jul28° / 21°3011.211.56.1
Aug29° / 20°217.511.76.0
Sep31° / 21°145.111.95.2
Oct33° / 22°112.612.24.2
Nov34° / 23°162.612.43.4
Dec35° / 24°183.112.63.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 34% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25644
35644
45644
55644
65743
75743
85842
95941
105941
116040
126139
136238
146337
156436
166634
176733
186733
196931
207030
217030
227129
237228
247228
257327
267228
277327
287327
297228
307228

Chance of precipitation in September

Any precipitation

Pão de Açúcar gets around 14 mm of rain over 5.1 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 16% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
120
220
320
421
521
622
722
822
922
1022
1122
1222
1321
1421
1520
1619
1718
1817
1916
2014
2113
2212
2311
2410
259
268
278
287
297
307

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 80% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
118811
219801
319801
419801
519801
620791
720791
820791
921781
1021781
1121781
1221781
1321781
1421781
1521781
1621781
1721781
1820791
1920791
2020791
2119801
2219801
2318811
2418811
2518811
2618811
2717821
2817821
2917821
3017821

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 48 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over September. Sunrise moves from 5:35 AM to 5:17 AM, and sunset from 5:24 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:355:24
211.85:355:24
311.85:345:24
411.85:335:24
511.85:335:23
611.95:325:23
711.95:315:23
811.95:315:23
911.95:305:23
1011.95:305:23
1111.95:295:23
1211.95:285:23
1311.95:285:23
1411.95:275:23
1511.95:265:23
1611.95:265:22
1712.05:255:22
1812.05:245:22
1912.05:245:22
2012.05:235:22
2112.05:225:22
2212.05:225:22
2312.05:215:22
2412.05:215:22
2512.05:205:22
2612.05:195:22
2712.05:195:22
2812.15:185:21
2912.15:175:21
3012.15:175:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 6.49 kWh/m² in December across the year — September's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Pão de Açúcar?

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

5.2
Sightseeing
4th-best month of the year
7.5
Beach & pool
1st-best month of the year

September is a reasonable time to visit Pão de Açúcar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Pão de Açúcar in September

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

In September, Pão de Açúcar sees daytime highs around 31°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Pão de Açúcar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pão de Açúcar peaks around February 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 20UV 15Jul 12UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep11Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Pão de Açúcar?

Pão de Açúcar sits at 9.7°S, 37.4°W, 23 m above sea level, in Brazil. The nearest listed city is São José da Tapera, 22 km away.

Topography around Pão de Açúcar

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

Within 3 km, the terrain around Pão de Açúcar has only modest variations in elevation — a maximum elevation change of 157 m around an average of 50 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, large variations in elevation — a maximum elevation change of 835 m.

The land around Pão de Açúcar is covered by grassland (38%) and shrubs (27%) within 3 km, grassland (44%) and shrubs (35%) within 16 km, and grassland (64%) and shrubs (20%) within 80 km.

3 km
157 m
16 km
635 m
80 km
835 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: São José da Tapera 22 km · Porto da Folha 26 km · Poço Redondo 28 km · Olho d'Água das Flores 28 km · Batalha 35 km · Piranhas 38 km · Canindé de São Francisco 40 km · Santana do Ipanema 46 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 Pão de Açúcar (-9.7483°, -37.4367°, elevation 23 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).