São José dos Campos in Spring

In spring (September, October and November), São José dos Campos sees average daytime highs around 26°C and overnight lows near 16°C, with 328 mm of rain over about 40 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.

Across spring, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 25% of the time across spring, and the air most often feels humid.

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

Avg daytime high: 26°C; 2nd-warmest season
Avg overnight low: 16°C
Rainfall: 328 mm; 40 wet days
Avg wind: 8 km/h
Travel score: 6.0; 3rd-best season
Months: Sep · Oct · Nov

← Winter São José dos Campos year-round climate Summer →

Spring Summer Fall Winter

Temperature in São José dos Campos in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 26°C.

A typical spring day in São José dos Campos reaches about 26°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.

São José dos Campos 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	28° / 20°	226	22.1	13.3	4.4
Feb	28° / 20°	171	18.5	12.8	4.3
Mar	28° / 19°	139	18.1	12.2	5.2
Apr	26° / 17°	57	9.5	11.5	6.7
May	24° / 15°	57	7.6	10.9	7.3
Jun	23° / 13°	38	5.1	10.6	7.8
Jul	23° / 12°	44	5.1	10.7	7.8
Aug	24° / 13°	35	5.2	11.2	7.9
Sep	25° / 15°	76	9.9	11.9	6.8
Oct	26° / 17°	109	13.6	12.5	5.9
Nov	27° / 18°	142	16.6	13.1	5.4
Dec	28° / 19°	172	20.1	13.4	4.8

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time across spring.

Chance of precipitation in Spring

Any precipitation

São José dos Campos gets around 328 mm of rain over 40 wet days across spring. The line is the day-by-day chance of measurable precipitation.

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.

Wind in Spring

Winds average 8 km/h across spring.

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.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.1 kWh/m².

Planning a trip in spring

Hazard calendar for São José dos Campos

In seasonPeak

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

São José dos Campos'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 São José dos Campos?

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

5.8

Beach & pool

3rd-best month of the year

spring is a reasonable time to visit São José dos Campos for sightseeing.

What to pack for São José dos Campos in Spring

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

In spring, São José dos Campos sees daytime highs around 26°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 40 days see rain.

rain gearlight clothessun protection

UV index in São José dos Campos 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 São José dos Campos peaks around February 8 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	15	12	9	7	6	6	8	8	11	13	14
Level	Extreme	Extreme	Extreme	Very high	High	High	High	Very high	Very high	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	15	Extreme
Mar	12	Extreme
Apr	9	Very high
May	7	High
Jun	6	High
Jul	6	High
Aug	8	Very high
Sep	8	Very high
Oct	11	Extreme
Nov	13	Extreme
Dec	14	Extreme

Air quality in São José dos Campos 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 São José dos Campos is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 16 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	16	17	19	21	27	32	31	28	28	20	16	16
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	16	Moderate
Feb	17	Moderate
Mar	19	Moderate
Apr	21	Moderate
May	27	Moderate
Jun	32	Moderate
Jul	31	Moderate
Aug	28	Moderate
Sep	28	Moderate
Oct	20	Moderate
Nov	16	Moderate
Dec	16	Moderate

Location & terrain

Where is São José dos Campos?

São José dos Campos sits at 23.2°S, 45.9°W, 600 m above sea level, in Brazil. The nearest listed city is Jacareí, 16 km away.

Topography around São José dos Campos

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São José dos Campos.

Within 3 km, the terrain around São José dos Campos has only modest variations in elevation — a maximum elevation change of 70 m around an average of 571 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 446 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,040 m.

The land around São José dos Campos is covered by artificial surfaces (42%), trees (27%) and grassland (24%) within 3 km, grassland (46%) and trees (33%) within 16 km, and trees (54%) and grassland (32%) within 80 km.

3 km

70 m

artificial surfaces 42%

16 km

446 m

grassland 46%

80 km

2,040 m

trees 54%

treesgrasslandcroplandartificial surfaceswater

← Winter São José dos Campos year-round climate Summer →

Spring weather nearby: Jacareí 16 km · Caçapava 20 km · Guararema 30 km · Paraibuna 32 km · Santa Isabel 37 km · Taubaté 38 km · Salesópolis 39 km · Tremembé 42 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

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 São José dos Campos (-23.1794°, -45.8869°, elevation 600 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.