Cássia in Spring
In spring (September, October and November), Cássia sees average daytime highs around 28°C and overnight lows near 19°C, with 298 mm of rain over about 37 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 28°C. The sky is clear or mostly clear about 33% of the time across spring, and the air most often feels humid.
Spring is Cássia's 3rd-best season to visit on our travel score. For the whole year in context, see Cássia's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 298 mm
- 37 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.6
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Cássia in Spring
Across spring, daytime highs hold fairly steady around 28°C.
A typical spring day in Cássia reaches about 28°C and drops to 19°C overnight. The warmest of the three months is October, the coolest September.
Cássia 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° | 222 | 21.8 | 13.1 | 4.3 |
| Feb | 28° / 21° | 156 | 17.9 | 12.7 | 4.5 |
| Mar | 28° / 20° | 141 | 18.1 | 12.1 | 5.0 |
| Apr | 27° / 19° | 51 | 8.5 | 11.5 | 6.8 |
| May | 25° / 16° | 30 | 4.8 | 11 | 7.8 |
| Jun | 25° / 15° | 17 | 2.3 | 10.8 | 8.5 |
| Jul | 25° / 14° | 10 | 1.9 | 10.9 | 8.6 |
| Aug | 27° / 15° | 12 | 2.3 | 11.3 | 8.3 |
| Sep | 28° / 18° | 52 | 6.7 | 11.9 | 6.7 |
| Oct | 29° / 19° | 91 | 12.4 | 12.5 | 5.3 |
| Nov | 28° / 20° | 155 | 18.2 | 13 | 4.9 |
| Dec | 28° / 20° | 206 | 23.1 | 13.2 | 4.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 33% of the time across spring.
Chance of precipitation in Spring
Cássia gets around 298 mm of rain over 37 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels humid — 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 12 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 5.8 kWh/m².
Hazard calendar for Cássia
In spring, Cássia overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Cássia's monsoon runs November–March, when most of the year's rain falls.
Is spring a good time to visit Cássia?
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 Cássia for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cássia in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Cássia sees daytime highs around 28°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 37 days see rain.
UV index in Cássia 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 Cássia peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (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 | 13 | 11 | 8 | 7 | 7 | 9 | 10 | 12 | 15 | 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 | 13 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | High |
| Jul | 7 | Very high |
| Aug | 9 | Very high |
| Sep | 10 | Extreme |
| Oct | 12 | Extreme |
| Nov | 15 | Extreme |
| Dec | 14 | Extreme |
Air quality in Cássia 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 Cássia is worst in September — around 40 µg/m³ PM2.5 (poor), about 5.7× the cleanest month (November, 7 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 | 9 | 9 | 9 | 9 | 9 | 10 | 18 | 40 | 14 | 7 | 8 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Poor | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 9 | Good |
| Apr | 9 | Good |
| May | 9 | Good |
| Jun | 9 | Good |
| Jul | 10 | Good |
| Aug | 18 | Moderate |
| Sep | 40 | Poor |
| Oct | 14 | Moderate |
| Nov | 7 | Good |
| Dec | 8 | Good |
Where is Cássia?
Cássia sits at 20.6°S, 46.9°W, 740 m above sea level, in Brazil. The nearest listed city is Passos, 36 km away.
Topography around Cássia
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cássia.
Within 3 km, the terrain around Cássia has only modest variations in elevation — a maximum elevation change of 231 m around an average of 770 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 624 m; within 80 km, large variations in elevation — a maximum elevation change of 966 m.
The land around Cássia is covered by grassland (44%) and trees (30%) within 3 km, grassland (42%), trees (33%) and cropland (22%) within 16 km, and trees (34%), grassland (34%) and cropland (24%) 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 Cássia (-20.5831°, -46.9219°, elevation 740 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.