Osasco in Spring

In spring (September, October and November), Osasco sees average daytime highs around 25°C and overnight lows near 16°C, with 338 mm of rain over about 39 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Across spring, daytime highs hold fairly steady around 25°C. The sky is clear or mostly clear about 23% of the time across spring, and the air most often feels humid.

Spring is Osasco's 3rd-best season to visit on our travel score. For the whole year in context, see Osasco's year-round climate.

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
16°C
Rainfall
338 mm
39 wet days
Avg wind
12 km/h
Travel score
6.2
3rd-best season
Months
Sep · Oct · Nov

Temperature in Osasco in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 25°C.

A typical spring day in Osasco reaches about 25°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.

10°15°20°25°30°35°SepOctNov

Osasco weather by month

How the three spring months (September, October and November) compare with the rest of the year — the season's months are highlighted.

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 Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Osasco gets around 338 mm of rain over 39 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Spring

Winds average 12 km/h across spring.

051015SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 30 min in early September to 13 h 18 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Osasco

In seasonPeak

In spring, Osasco overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Osasco'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 spring a good time to visit Osasco?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.2
Sightseeing
3rd-best month of the year
5.7
Beach & pool
3rd-best month of the year

spring is a reasonable time to visit Osasco for sightseeing.

What to pack for Osasco in Spring

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

In spring, Osasco sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 39 days see rain.

rain gearlight clothessun protection

Sea temperature near Osasco in Spring

The nearest coast averages about 22°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 68 km away) is warmest in February at about 27°C and coldest in August near 20°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
Aug20Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Osasco in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Osasco 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 Osasco in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.

Air quality in Osasco is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Osasco's WHO annual average of 20.7 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 2331 µg/m³Dec 2014 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar18Moderate
Apr21Moderate
May27Moderate
Jun31Moderate
Jul30Moderate
Aug26Moderate
Sep23Moderate
Oct17Moderate
Nov14Moderate
Dec14Moderate
Location & terrain

Where is Osasco?

Osasco sits at 23.5°S, 46.8°W, 750 m above sea level, in Brazil. The nearest listed city is Carapicuíba, 5.0 km away.

Topography around Osasco

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

Within 3 km, the terrain around Osasco has only modest variations in elevation — a maximum elevation change of 107 m around an average of 745 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 522 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,433 m.

The land around Osasco is covered by artificial surfaces (83%) within 3 km, artificial surfaces (58%) and trees (33%) within 16 km, and trees (58%) within 80 km.

3 km
107 m
16 km
522 m
80 km
1,433 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Spring weather nearby: Carapicuíba 5.0 km · Jaguare 5.0 km · Jaguara 5.0 km · Rio Pequeno 5.0 km · Vila Leopoldina 6.0 km · Sao Domingos 6.0 km · Raposo Tavares 7.0 km · Pirituba 8.0 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 Osasco (-23.5325°, -46.7917°, elevation 750 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.