Liberdade weather in September

In September, Liberdade sees average daytime highs of 25°C and overnight lows near 15°C, with 84 mm of rain across 9.4 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 35% of the time in September, and the air most often feels comfortable.

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 Liberdade's 6th-clearest and 1st-windiest month. For the whole year in context, see Liberdade's year-round climate.

Daytime high
25°
8th warmest
Overnight low
15°
5th coldest
Rainfall
84 mm
9.4 wet days
Daylight
11 h 54 min
7:05 AM – 6:57 PM
Cloud cover
59%
6th clearest
Wind
12 km/h
1st windiest
Solar energy
4.8 kWh/m²
Travel score
7.0
out of 10

Liberdade is District of São Paulo city.

Density
17,853/km²
people per km²

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 25°C through the month.

A typical September day in Liberdade reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52514
62514
72514
82515
92515
102515
112515
122515
132515
142515
152515
162515
172515
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515

Liberdade weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°2222313.34.4
Feb28° / 19°16419.612.84.6
Mar27° / 19°13919.112.25.2
Apr26° / 17°609.511.56.8
May23° / 15°587.310.97.3
Jun22° / 13°455.310.67.6
Jul22° / 13°495.310.77.7
Aug24° / 13°364.711.28.0
Sep25° / 15°849.411.97.0
Oct26° / 16°10913.512.66.0
Nov26° / 17°14515.913.15.5
Dec27° / 19°17020.213.44.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26040
35941
45842
55743
65644
75545
85347
95248
105149
115149
125050
134951
144852
154753
164654
174555
184555
194456
204357
214159
224060
233961
243862
253862
263763
273664
283565
293565
303565

Chance of precipitation in September

Any precipitation

Liberdade gets around 84 mm of rain over 9.4 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 30% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
120
221
321
422
523
623
724
825
925
1026
1126
1226
1327
1428
1528
1629
1730
1831
1932
2034
2135
2236
2337
2438
2539
2640
2741
2841
2942
3042

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14544110
24444120
34344130
44344140
54244150
64144150
74044160
83944170
93744180
103645190
113445200
123346210
133146220
143047230
152947240
162847250
172747261
182647271
192547281
202446281
212346292
222345302
232244313
242144323
252043334
262042344
271941354
281840375
291839385
301739396

Wind in September

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

Across September, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
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 7:21 AM to 6:50 AM, and sunset from 6:52 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:216:52
211.57:206:52
311.67:196:53
411.67:186:53
511.67:176:53
611.67:166:54
711.77:146:54
811.77:136:54
911.77:126:55
1011.77:116:55
1111.77:106:55
1211.87:096:55
1311.87:086:56
1411.87:076:56
1511.87:066:56
1611.97:056:57
1711.97:046:57
1811.97:036:57
1911.97:026:58
2012.07:016:58
2112.07:006:58
2212.06:586:59
2312.06:576:59
2412.16:566:59
2512.16:557:00
2612.16:547:00
2712.16:537:01
2812.16:527:01
2912.26:517:01
3012.26:507:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.8 kWh/m².

For context, solar energy here swings from a low near 3.36 kWh/m² to a high of 5.71 kWh/m² in December across the year — September's 4.8 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
Planning a trip in September

Hazard calendar for Liberdade

In seasonPeak

None of Liberdade's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Liberdade's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Liberdade?

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

7.0
Sightseeing
5th-best month of the year
6.3
Beach & pool
3rd-best month of the year

September is one of the better times to visit Liberdade for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Liberdade in September

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

In September, Liberdade sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Liberdade in September

The nearest coast averages about 21°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 62 km away) is warmest in February at about 27°C and coldest in August near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May24Refreshing
Jun22Refreshing
Jul21Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Liberdade in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Liberdade peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 22UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar11Extreme
Apr9Very high
May7High
Jun6High
Jul5Moderate
Aug8Very high
Sep8Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Liberdade 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 Liberdade is worst in June — around 71 µg/m³ PM2.5 (unhealthy), about 2.3× the cleanest month (December, 31 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJun 2370 µg/m³Dec 2031 µg/m³
PM2.5 (µg/m³)Level
Jan32Moderate
Feb34Moderate
Mar41Poor
Apr48Poor
May62Unhealthy
Jun71Unhealthy
Jul70Unhealthy
Aug60Unhealthy
Sep53Poor
Oct39Poor
Nov32Moderate
Dec31Moderate
Location & terrain

Where is Liberdade?

Liberdade sits at 23.6°S, 46.6°W, 761 m above sea level, in Brazil. The nearest listed city is Cambuci, 2.0 km away.

Topography around Liberdade

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

Within 3 km, the terrain around Liberdade has only modest variations in elevation — a maximum elevation change of 121 m around an average of 764 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 493 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,690 m.

The land around Liberdade is covered by artificial surfaces (93%) within 3 km, artificial surfaces (83%) within 16 km, and trees (56%) within 80 km.

3 km
121 m
16 km
493 m
80 km
1,690 m
treesgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: Cambuci 2.0 km · Bela Vista 2.0 km · Se 2.0 km · Sao Paulo 2.0 km · Brás 2.0 km · Republica 2.0 km · Vila Mariana 3.0 km · Consolação 3.0 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 Liberdade (-23.5634°, -46.6323°, elevation 761 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. 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).