Cachoeira do Piriá in Spring

In spring (September, October and November), Cachoeira do Piriá sees average daytime highs around 33°C and overnight lows near 23°C, with 90 mm of rain over about 21 wet days across the season. It is the warmest season of the year and the driest season of the year.

Across spring, daytime highs hold fairly steady around 33°C. The sky is clear or mostly clear about 31% of the time across spring, and the air most often feels oppressive.

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

Avg daytime high
33°C
warmest season of the year
Avg overnight low
23°C
Rainfall
90 mm
21 wet days
Avg wind
11 km/h
Travel score
3.9
2nd-best season
Months
Sep · Oct · Nov

Temperature in Cachoeira do Piriá in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 33°C.

A typical spring day in Cachoeira do Piriá reaches about 33°C and drops to 23°C overnight. The warmest of the three months is November, the coolest September.

20°25°30°35°SepOctNov

How spring really feels in Cachoeira do Piriá

Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
91
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cachoeira do Piriá 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°22025.512.12.8
Feb30° / 23°29626.412.12.6
Mar30° / 23°38530.1122.6
Apr30° / 23°37629.1122.6
May31° / 23°22727.511.92.8
Jun31° / 23°11921.211.93.4
Jul31° / 22°8818.211.94.0
Aug31° / 22°4211.111.94.4
Sep32° / 23°277.7124.1
Oct33° / 23°275.9123.9
Nov33° / 24°36712.13.7
Dec33° / 24°8614.512.13.3

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Cachoeira do Piriá gets around 90 mm of rain over 21 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

Most of spring feels oppressive — 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 11 km/h across spring.

051015SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 12 hours in early September to 12 h 06 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 5.8 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Cachoeira do Piriá

In seasonPeak

None of Cachoeira do Piriá's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Cachoeira do Piriá's monsoon runs January–May, when most of the year's rain falls.

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

Is spring a good time to visit Cachoeira do Piriá?

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.

3.9
Sightseeing
2nd-best month of the year
6.7
Beach & pool
1st-best month of the year

spring is a weaker month for outdoor sightseeing in Cachoeira do Piriá. The water and warmth also suit a beach or pool day.

What to pack for Cachoeira do Piriá in Spring

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

In spring, Cachoeira do Piriá sees daytime highs around 33°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 21 days see rain.

light clothessun protection

UV index in Cachoeira do Piriá in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cachoeira do Piriá peaks around March 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 17 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 15Jul 17UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Cachoeira do Piriá 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 Cachoeira do Piriá is worst in February — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (July, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateFeb 2019 µg/m³Jul 127 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar19Moderate
Apr14Moderate
May8Good
Jun7Good
Jul7Good
Aug8Good
Sep10Good
Oct12Good
Nov18Moderate
Dec18Moderate
Location & terrain

Where is Cachoeira do Piriá?

Cachoeira do Piriá sits at 1.8°S, 46.5°W, 77 m above sea level, in Brazil. The nearest listed city is Santa Luzia do Pará, 47 km away.

Topography around Cachoeira do Piriá

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

Within 3 km, the terrain around Cachoeira do Piriá has only modest variations in elevation — a maximum elevation change of 117 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, only modest variations in elevation — a maximum elevation change of 206 m.

The land around Cachoeira do Piriá is covered by grassland (52%) and trees (46%) within 3 km, trees (57%) and grassland (43%) within 16 km, and trees (56%) and grassland (42%) within 80 km.

3 km
117 m
16 km
128 m
80 km
206 m
treesgrasslandartificial surfacesbare terrainmangroves
Spring weather nearby: Santa Luzia do Pará 47 km · Capitão Poço 57 km · Garrafão do Norte 60 km · Centro Novo do Maranhão 63 km · Ourém 67 km · Maracaçumé 72 km · Nova Esperança do Piriá 73 km · Viseu 77 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 Cachoeira do Piriá (-1.7597°, -46.545°, elevation 77 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.