Duque de Caxias in Spring

In spring (September, October and November), Duque de Caxias sees average daytime highs around 28°C and overnight lows near 20°C, with 420 mm of rain over about 45 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.

Across spring, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 23% of the time across spring, and the air most often feels muggy.

Spring is Duque de Caxias's 2nd-best season to visit on our travel score. For the whole year in context, see Duque de Caxias's year-round climate.

Avg daytime high
28°C
3rd-warmest season
Avg overnight low
20°C
Rainfall
420 mm
45 wet days
Avg wind
6 km/h
Travel score
5.3
2nd-best season
Months
Sep · Oct · Nov

Temperature in Duque de Caxias in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 28°C.

A typical spring day in Duque de Caxias reaches about 28°C and drops to 20°C overnight. The warmest of the three months is November, the coolest September.

10°15°20°25°30°35°SepOctNov

How spring really feels in Duque de Caxias

Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Duque de Caxias 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
Jan31° / 23°26621.313.23.2
Feb32° / 23°19717.812.83.3
Mar30° / 22°21621.112.23.7
Apr29° / 21°10613.511.55.2
May26° / 18°7411.110.96.6
Jun26° / 17°477.110.67.3
Jul26° / 16°477.210.77.4
Aug26° / 17°447.511.27.2
Sep27° / 18°8711.111.96.3
Oct28° / 20°12014.412.55.3
Nov28° / 21°2131913.14.4
Dec30° / 22°23721.213.43.6

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

Duque de Caxias gets around 420 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 muggy — 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 6 km/h across spring.

0246810SepOctNov

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 4.9 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Duque de Caxias

In seasonPeak

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

Duque de Caxias'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 Duque de Caxias?

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.

5.3
Sightseeing
2nd-best month of the year
5.9
Beach & pool
3rd-best month of the year

spring is a reasonable time to visit Duque de Caxias for sightseeing.

What to pack for Duque de Caxias in Spring

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

In spring, Duque de Caxias sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 45 days see rain.

light clothesrain gearsun protection

Sea temperature near Duque de Caxias 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 38 km away) is warmest in March at about 26°C and coldest in August near 21°C.

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

20°22°24°26°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov22Refreshing
Dec24Warm

UV index in Duque de Caxias 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 Duque de Caxias peaks around January 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 13UV 14Jul 13UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun6High
Jul5Moderate
Aug8Very high
Sep6High
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Duque de Caxias 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 Duque de Caxias is worst in July — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Duque de Caxias's WHO annual average of 15.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1222 µg/m³Dec 2311 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb11Good
Mar12Good
Apr14Moderate
May18Moderate
Jun21Moderate
Jul22Moderate
Aug19Moderate
Sep22Moderate
Oct14Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Duque de Caxias?

Duque de Caxias sits at 22.8°S, 43.3°W, 15 m above sea level, in Brazil. The nearest listed city is São João de Meriti, 7.0 km away.

Topography around Duque de Caxias

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

Within 3 km, the terrain around Duque de Caxias has only modest variations in elevation — a maximum elevation change of 126 m around an average of 18 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 719 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around Duque de Caxias is covered by artificial surfaces (84%) within 3 km, artificial surfaces (48%) and trees (21%) within 16 km, and trees (39%), water (30%) and grassland (23%) within 80 km.

3 km
126 m
16 km
719 m
80 km
2,224 m
treesgrasslandartificial surfaceswaterwetlandmangroves
Spring weather nearby: São João de Meriti 7.0 km · Belford Roxo 9.0 km · Nilópolis 11 km · Nova Iguaçu 15 km · Estácio 18 km · Rio de Janeiro 19 km · Santa Teresa 19 km · Catete 20 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 Duque de Caxias (-22.7856°, -43.3117°, elevation 15 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.