Piracaia in Spring

In spring (September, October and November), Piracaia sees average daytime highs around 25°C and overnight lows near 15°C, with 450 mm of rain over about 45 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 26% of the time across spring, and the air most often feels humid.

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

Avg daytime high
25°C
2nd-warmest season
Avg overnight low
15°C
Rainfall
450 mm
45 wet days
Avg wind
9 km/h
Travel score
6.0
3rd-best season
Months
Sep · Oct · Nov

Temperature in Piracaia 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 Piracaia reaches about 25°C and drops to 15°C overnight. The warmest of the three months is November, the coolest September.

10°20°30°SepOctNov

Piracaia 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
Jan26° / 18°31724.813.34.3
Feb27° / 18°25520.712.84.5
Mar26° / 17°21120.812.25.0
Apr25° / 16°8311.511.56.7
May22° / 13°678.110.97.1
Jun22° / 12°455.310.67.5
Jul22° / 11°494.710.77.7
Aug23° / 12°405.311.27.9
Sep24° / 14°9810.311.97.0
Oct25° / 16°15415.912.55.8
Nov25° / 16°19918.313.15.3
Dec26° / 18°26222.913.44.6

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Piracaia gets around 450 mm of rain over 45 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%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 9 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 5.3 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Piracaia

In seasonPeak

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

Piracaia'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 Piracaia?

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.

6.0
Sightseeing
3rd-best month of the year
5.4
Beach & pool
2nd-best month of the year

spring is a reasonable time to visit Piracaia for sightseeing.

What to pack for Piracaia in Spring

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

In spring, Piracaia sees daytime highs around 25°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 45 days see rain.

rain gearlight clothessun protection

UV index in Piracaia in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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 Piracaia peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Piracaia 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 Piracaia 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 Piracaia?

Piracaia sits at 23.1°S, 46.4°W, 822 m above sea level, in Brazil. The nearest listed city is Bom Jesus dos Perdões, 14 km away.

Topography around Piracaia

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

Within 3 km, the terrain around Piracaia has significant variations in elevation — a maximum elevation change of 309 m around an average of 859 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 889 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Piracaia is covered by grassland (59%) and trees (28%) within 3 km, trees (51%) and grassland (37%) within 16 km, and trees (48%) and grassland (35%) within 80 km.

3 km
309 m
16 km
889 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswater
Spring weather nearby: Bom Jesus dos Perdões 14 km · Nazaré Paulista 15 km · Atibaia 21 km · Bragança Paulista 22 km · Extrema 23 km · Santa Isabel 32 km · Bairro da Penha 35 km · Mairiporã 38 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 Piracaia (-23.0539°, -46.3581°, elevation 822 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.