Alto Alegre in Fall
In fall (September, October and November), Alto Alegre sees average daytime highs around 32°C and overnight lows near 23°C, with 351 mm of rain over about 50 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Across fall, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 27% of the time across fall, and the air most often feels oppressive.
Fall is Alto Alegre's 2nd-best season to visit on our travel score. For the whole year in context, see Alto Alegre's year-round climate.
- Avg daytime high
- 32°C
- 2nd-warmest season
- Avg overnight low
- 23°C
- Rainfall
- 351 mm
- 50 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.4
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Alto Alegre in Fall
Across fall, daytime highs hold fairly steady around 32°C.
A typical fall day in Alto Alegre reaches about 32°C and drops to 23°C overnight. The warmest of the three months is October, the coolest September.
How fall really feels in Alto Alegre
Once humidity and wind are folded in, fall brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Alto Alegre weather by month
How the three fall 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 | 32° / 24° | 58 | 8.6 | 11.9 | 4.0 |
| Feb | 33° / 24° | 51 | 7.5 | 11.9 | 3.7 |
| Mar | 33° / 24° | 84 | 10 | 12 | 3.4 |
| Apr | 32° / 24° | 240 | 19.1 | 12.1 | 3.1 |
| May | 30° / 23° | 406 | 27.5 | 12.1 | 3.0 |
| Jun | 29° / 22° | 372 | 28 | 12.2 | 3.1 |
| Jul | 29° / 22° | 300 | 28.7 | 12.2 | 3.1 |
| Aug | 30° / 23° | 201 | 25.3 | 12.1 | 3.2 |
| Sep | 32° / 23° | 118 | 18.3 | 12 | 3.4 |
| Oct | 32° / 23° | 104 | 15 | 11.9 | 3.4 |
| Nov | 32° / 23° | 128 | 16.6 | 11.9 | 3.3 |
| Dec | 32° / 24° | 98 | 13.5 | 11.8 | 3.8 |
Cloud cover in Fall
The sky is clear or mostly clear about 27% of the time across fall.
Chance of precipitation in Fall
Alto Alegre gets around 351 mm of rain over 50 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early September to 11 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 5.5 kWh/m².
Hazard calendar for Alto Alegre
None of Alto Alegre's seasonal hazards peak in fall. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Alto Alegre's monsoon runs April–August, when most of the year's rain falls.
Is fall a good time to visit Alto Alegre?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Alto Alegre.
What to pack for Alto Alegre in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Alto Alegre sees daytime highs around 32°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 50 days see rain.
UV index in Alto Alegre in Fall
Clear-sky midday UV across fall 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 Alto Alegre peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 18 at about 11 (extreme).
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) | 13 | 13 | 14 | 14 | 13 | 12 | 11 | 12 | 12 | 12 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 13 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Alto Alegre in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Alto Alegre is worst in March — around 24 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 12 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) | 14 | 18 | 24 | 22 | 16 | 14 | 13 | 12 | 12 | 13 | 12 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 18 | Moderate |
| Mar | 24 | Moderate |
| Apr | 22 | Moderate |
| May | 16 | Moderate |
| Jun | 14 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Moderate |
| Sep | 12 | Moderate |
| Oct | 13 | Moderate |
| Nov | 12 | Moderate |
| Dec | 12 | Moderate |
Where is Alto Alegre?
Alto Alegre sits at 2.9°N, 61.5°W, 83 m above sea level, in Brazil. The nearest listed city is Mucajaí, 83 km away.
Topography around Alto Alegre
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Alto Alegre.
Within 3 km, the terrain around Alto Alegre has only modest variations in elevation — a maximum elevation change of 61 m around an average of 93 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,411 m.
The land around Alto Alegre is covered by trees (70%) and grassland (22%) within 3 km, trees (69%) and grassland (29%) within 16 km, and trees (68%) and grassland (30%) within 80 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 Alto Alegre (2.8958°, -61.4975°, elevation 83 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.