Caçapava do Sul weather in September

In September, Caçapava do Sul sees average daytime highs of 21°C and overnight lows near 11°C, with 167 mm of rain across 10.5 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 33% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Caçapava do Sul's 10th-clearest and 1st-windiest month. For the whole year in context, see Caçapava do Sul's year-round climate.

Daytime high
21°
8th warmest
Overnight low
11°
4th coldest
Rainfall
167 mm
10.5 wet days
Daylight
11 h 48 min
7:34 AM – 7:23 PM
Cloud cover
60%
10th clearest
Wind
13 km/h
1st windiest
Solar energy
4.24 kWh/m²
Travel score
6.3
out of 10

Caçapava do Sul is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical September day in Caçapava do Sul reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 26°C. Set against its neighbours, September runs about 1°C warmer than August and about 3°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12010
22011
32011
42011
52011
62011
72011
82011
92011
102011
112011
122011
132111
142111
152111
162111
172111
182111
192111
202111
212111
222111
232111
242111
252111
262111
272112
282112
292212
302212

Caçapava do Sul weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 19°13912.813.74.9
Feb29° / 19°13111.813.15.1
Mar28° / 17°12110.512.26.2
Apr24° / 14°1449.311.37.0
May20° / 11°1238.610.56.5
Jun18° / 1411010.15.8
Jul17° / 1409.910.25.7
Aug19° / 1339.410.96.4
Sep21° / 11°16710.511.86.3
Oct23° / 13°19011.512.76.6
Nov26° / 15°1309.513.56.8
Dec29° / 17°13510.813.95.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 10% of September, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34654
44555
54456
64357
74357
84357
94258
104258
114258
124357
134357
144357
154357
164357
174357
184357
194357
204456
214456
224456
234456
244456
254456
264258
274258
284060
294060
304060

Chance of precipitation in September

Any precipitation

Caçapava do Sul gets around 167 mm of rain over 10.5 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
236
336
436
536
636
736
836
936
1036
1136
1235
1335
1435
1535
1635
1734
1834
1934
2034
2134
2234
2334
2434
2535
2635
2736
2836
2936
3037

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15920192
25820193
35721193
45721193
55721193
65821183
75722183
85722183
95722183
105723173
115723173
125624173
135724163
145724163
155625163
165625163
175725153
185725153
195725153
205725153
215725153
225626153
235626153
245427154
255427154
265327164
275228164
285228164
295128165
305028175

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over September. Sunrise moves from 7:53 AM to 7:15 AM, and sunset from 7:14 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:537:14
211.47:527:15
311.47:517:15
411.47:497:16
511.57:487:16
611.57:477:17
711.57:467:18
811.67:447:18
911.67:437:19
1011.67:427:19
1111.77:407:20
1211.77:397:21
1311.77:387:21
1411.87:367:22
1511.87:357:22
1611.87:347:23
1711.87:327:23
1811.97:317:24
1911.97:307:25
2011.97:287:25
2112.07:277:26
2212.07:267:26
2312.07:247:27
2412.17:237:27
2512.17:227:28
2612.17:217:29
2712.27:197:29
2812.27:187:30
2912.27:177:30
3012.37:157:31

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.24 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 6.88 kWh/m² in December across the year — September's 4.24 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.9Moderate
33.9Moderate
43.9Moderate
53.9Moderate
63.9Moderate
74.0Moderate
84.0Moderate
94.0Bright
104.0Bright
114.1Bright
124.1Bright
134.1Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Caçapava do Sul?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.3
Sightseeing
6th-best month of the year
3.7
Beach & pool
8th-best month of the year

September is a reasonable time to visit Caçapava do Sul for sightseeing.

What to pack for Caçapava do Sul in September

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

In September, Caçapava do Sul sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Caçapava do Sul in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Caçapava do Sul peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 16UV 13Jun 18UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Extreme
Apr7Very high
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7High
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Caçapava do Sul?

Caçapava do Sul sits at 30.5°S, 53.5°W, 426 m above sea level, in Brazil. The nearest listed city is São Sepé, 40 km away.

Topography around Caçapava do Sul

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

Within 3 km, the terrain around Caçapava do Sul has only modest variations in elevation — a maximum elevation change of 233 m around an average of 380 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, significant variations in elevation — a maximum elevation change of 498 m.

The land around Caçapava do Sul is covered by trees (49%) and grassland (32%) within 3 km, trees (49%) and grassland (42%) within 16 km, and grassland (36%), trees (35%) and cropland (28%) within 80 km.

3 km
233 m
16 km
379 m
80 km
498 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: São Sepé 40 km · Cachoeira do Sul 78 km · São Gabriel 82 km · Encruzilhada do Sul 92 km · Santa Maria 97 km · Agudo 99 km · Bagé 108 km · Piratini 110 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 Caçapava do Sul (-30.5144°, -53.485°, elevation 426 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).