São Lourenço do Sul in Spring
In spring (September, October and November), São Lourenço do Sul sees average daytime highs around 22°C and overnight lows near 15°C, with 374 mm of rain over about 33 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs climb from about 19°C in early September to 25°C by late November. The sky is clear or mostly clear about 28% of the time across spring, and the air most often feels dry.
Spring is São Lourenço do Sul's 2nd-best season to visit on our travel score. For the whole year in context, see São Lourenço do Sul's year-round climate.
- Avg daytime high
- 22°C
- 3rd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 374 mm
- 33 wet days
- Avg wind
- 16 km/h
- Travel score
- 6.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in São Lourenço do Sul in Spring
Over the season highs climb from about 19°C in early September to 25°C by late November.
A typical spring day in São Lourenço do Sul reaches about 22°C and drops to 15°C overnight. The warmest of the three months is November, the coolest September.
São Lourenço do Sul 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° / 21° | 110 | 14 | 13.8 | 5.9 |
| Feb | 27° / 21° | 112 | 13.3 | 13.1 | 5.8 |
| Mar | 26° / 20° | 101 | 12.5 | 12.2 | 6.3 |
| Apr | 24° / 17° | 102 | 9.7 | 11.3 | 6.9 |
| May | 20° / 14° | 101 | 9 | 10.4 | 6.5 |
| Jun | 18° / 11° | 103 | 9.2 | 10 | 5.9 |
| Jul | 17° / 10° | 119 | 10.1 | 10.2 | 5.6 |
| Aug | 19° / 11° | 116 | 9.9 | 10.9 | 6.1 |
| Sep | 20° / 13° | 139 | 11 | 11.8 | 5.9 |
| Oct | 22° / 15° | 137 | 12.5 | 12.8 | 6.2 |
| Nov | 24° / 17° | 98 | 9.9 | 13.6 | 6.9 |
| Dec | 27° / 19° | 104 | 11.4 | 14 | 6.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 28% of the time across spring.
Chance of precipitation in Spring
São Lourenço do Sul gets around 374 mm of rain over 33 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 16 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 18 min in early September to 13 h 54 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 5.2 kWh/m².
Is spring a good time to visit São Lourenço do Sul?
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 reasonable time to visit São Lourenço do Sul for sightseeing.
What to pack for São Lourenço do Sul in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, São Lourenço do Sul sees daytime highs around 22°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 33 days see rain.
Sea temperature near São Lourenço do Sul in Spring
The nearest coast averages about 19°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 26°C and coldest in July near 14°C.
It's comfortable for a long swim from Oct 31 to May 3 — about 6.1 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 25 | 26 | 25 | 22 | 19 | 16 | 14 | 15 | 16 | 19 | 21 | 24 |
| Comfort | Warm | Warm | Warm | Refreshing | Cool | Cool | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 25 | Warm |
| Feb | 26 | Warm |
| Mar | 25 | Warm |
| Apr | 22 | Refreshing |
| May | 19 | Cool |
| Jun | 16 | Cool |
| Jul | 14 | Bracing |
| Aug | 15 | Bracing |
| Sep | 16 | Cool |
| Oct | 19 | Cool |
| Nov | 21 | Refreshing |
| Dec | 24 | Refreshing |
UV index in São Lourenço do Sul in Spring
Clear-sky midday UV across spring averages around 9 (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 Lourenço do Sul peaks around December 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).
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) | 12 | 12 | 9 | 7 | 4 | 3 | 4 | 5 | 7 | 8 | 11 | 13 |
| Level | Extreme | Extreme | Very high | High | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 9 | Very high |
| Apr | 7 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 4 | Moderate |
| Aug | 5 | Moderate |
| Sep | 7 | Very high |
| Oct | 8 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Where is São Lourenço do Sul?
São Lourenço do Sul sits at 31.4°S, 52.0°W, 13 m above sea level, in Brazil. The nearest listed city is Pelotas, 57 km away.
Topography around São Lourenço do Sul
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of São Lourenço do Sul.
Within 3 km, the terrain around São Lourenço do Sul has only modest variations in elevation — a maximum elevation change of 30 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 199 m; within 80 km, significant variations in elevation — a maximum elevation change of 507 m.
The land around São Lourenço do Sul is covered by water (26%) and cropland (23%) within 3 km, water (38%) and cropland (31%) within 16 km, and water (35%) and trees (28%) 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 Lourenço do Sul (-31.3653°, -51.9783°, elevation 13 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.