São Simão in Spring
In spring (September, October and November), São Simão sees average daytime highs around 32°C and overnight lows near 22°C, with 345 mm of rain over about 40 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across spring, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 38% of the time across spring, and the air most often feels muggy.
Spring is São Simão's 3rd-best season to visit on our travel score. For the whole year in context, see São Simão's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 345 mm
- 40 wet days
- Avg wind
- 8 km/h
- Travel score
- 3.6
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in São Simão in Spring
Across spring, daytime highs hold fairly steady around 32°C.
A typical spring day in São Simão reaches about 32°C and drops to 22°C overnight. The warmest of the three months is September, the coolest September.
How spring really feels in São Simão
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.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
São Simão 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 | 31° / 23° | 267 | 23.8 | 13 | 3.2 |
| Feb | 31° / 23° | 207 | 21.4 | 12.6 | 3.2 |
| Mar | 31° / 22° | 194 | 21.3 | 12.1 | 3.5 |
| Apr | 30° / 21° | 72 | 10 | 11.6 | 4.9 |
| May | 29° / 19° | 28 | 4.4 | 11.1 | 6.5 |
| Jun | 29° / 18° | 14 | 1.6 | 10.9 | 7.1 |
| Jul | 29° / 17° | 8 | 0.9 | 11 | 7.0 |
| Aug | 31° / 19° | 10 | 1.7 | 11.4 | 5.6 |
| Sep | 33° / 21° | 45 | 6.1 | 11.9 | 4.1 |
| Oct | 33° / 22° | 115 | 13.9 | 12.4 | 3.3 |
| Nov | 31° / 22° | 185 | 19.6 | 12.9 | 3.3 |
| Dec | 31° / 23° | 241 | 24.1 | 13.1 | 3.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 38% of the time across spring.
Chance of precipitation in Spring
São Simão gets around 345 mm of rain over 40 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — 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
Daylight runs from about 11 h 36 min in early September to 13 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 6.1 kWh/m².
Hazard calendar for São Simão
In spring, São Simão overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
São Simão's monsoon runs November–March, when most of the year's rain falls.
Is spring a good time to visit São Simão?
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.
spring is a weaker month for outdoor sightseeing in São Simão.
What to pack for São Simão in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, São Simão sees daytime highs around 32°C and nights near 22°C. Pack light clothes, rain gear and sun protection. About 40 days see rain.
UV index in São Simão in Spring
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 São Simão peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (very 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 | 14 | 11 | 8 | 7 | 7 | 9 | 11 | 11 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | High | Very high | Very high | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 9 | Very high |
| Sep | 11 | Extreme |
| Oct | 11 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in São Simão in Spring
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 Simão is worst in September — around 34 µg/m³ PM2.5 (moderate), about 6.1× the cleanest month (November, 6 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) | 8 | 8 | 8 | 6 | 6 | 6 | 7 | 14 | 34 | 13 | 6 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 8 | Good |
| Apr | 6 | Good |
| May | 6 | Good |
| Jun | 6 | Good |
| Jul | 7 | Good |
| Aug | 14 | Moderate |
| Sep | 34 | Moderate |
| Oct | 13 | Moderate |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is São Simão?
São Simão sits at 19.0°S, 50.5°W, 471 m above sea level, in Brazil. The nearest listed city is Santa Vitória, 48 km away.
Topography around São Simão
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Simão.
Within 3 km, the terrain around São Simão has only modest variations in elevation — a maximum elevation change of 106 m around an average of 449 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 208 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.
The land around São Simão is covered by grassland (45%) and cropland (20%) within 3 km, cropland (40%) and grassland (35%) within 16 km, and cropland (50%) 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 São Simão (-18.9911°, -50.5436°, elevation 471 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.