Cascavel weather in September

In September, Cascavel sees average daytime highs of 25°C and overnight lows near 15°C, with 150 mm of rain across 10.6 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Cascavel's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Cascavel's year-round climate.

Daytime high
25°
8th warmest
Overnight low
15°
5th coldest
Rainfall
150 mm
10.6 wet days
Daylight
11 h 54 min
7:32 AM – 7:24 PM
Cloud cover
48%
3rd clearest
Wind
12 km/h
3rd windiest
Solar energy
4.94 kWh/m²
Travel score
6.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical September day in Cascavel reaches about 25°C in the afternoon and slips back to 15°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 32°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12514
22514
32514
42514
52515
62515
72515
82515
92515
102515
112515
122515
132515
142515
152515
162515
172515
182515
192515
202515
212515
222515
232515
242515
252515
262515
272515
282615
292616
302616

Cascavel weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°17020.213.44.3
Feb28° / 20°16818.612.94.4
Mar28° / 19°13015.812.25.4
Apr26° / 17°12810.211.46.7
May22° / 14°1519.810.86.9
Jun21° / 13°1379.410.56.7
Jul21° / 12°1078.210.67.1
Aug24° / 13°987.211.17.7
Sep25° / 15°15010.611.86.9
Oct27° / 17°19214.912.65.8
Nov28° / 18°15213.813.25.8
Dec28° / 19°18018.313.54.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26832
36733
46634
56634
66436
76436
86337
96238
106139
116139
126139
136040
146040
155941
165941
175941
185842
195842
205743
215644
225545
235446
245347
255248
265149
274951
284852
294852
304753

Chance of precipitation in September

Any precipitation

Cascavel gets around 150 mm of rain over 10.6 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 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
125
225
326
426
527
628
728
829
930
1030
1131
1231
1332
1433
1533
1634
1735
1836
1937
2038
2139
2240
2341
2442
2543
2644
2745
2845
2946
3046

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 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15135131
25134141
34934152
44934152
54834162
64833172
74733182
84733192
94632192
104532202
114532213
124431223
134331233
144331243
154230244
164130254
174130254
184030265
193929265
203929275
213829286
223728296
233528306
243428317
253328317
263128328
273028338
282928349
292828359
3027273610

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 12 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
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 7:49 AM to 7:17 AM, and sunset from 7:18 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:497:18
211.57:487:19
311.57:477:19
411.67:467:19
511.67:457:20
611.67:447:20
711.67:427:20
811.77:417:21
911.77:407:21
1011.77:397:22
1111.77:387:22
1211.87:377:22
1311.87:367:23
1411.87:357:23
1511.87:347:23
1611.97:327:24
1711.97:317:24
1811.97:307:25
1911.97:297:25
2012.07:287:25
2112.07:277:26
2212.07:267:26
2312.07:257:27
2412.17:247:27
2512.17:227:27
2612.17:217:28
2712.17:207:28
2812.27:197:28
2912.27:187:29
3012.27:177:29

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.94 kWh/m².

For context, solar energy here swings from a low near 3.02 kWh/m² to a high of 6.27 kWh/m² in December across the year — September's 4.94 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Cascavel?

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

6.9
Sightseeing
3rd-best month of the year
6.3
Beach & pool
1st-best month of the year

September is a reasonable time to visit Cascavel for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cascavel in September

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

In September, Cascavel sees daytime highs around 25°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Cascavel in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cascavel peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 11UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5High
Jul5High
Aug7High
Sep7High
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Cascavel in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Cascavel is worst in September — around 19 µg/m³ PM2.5 (moderate), about 3.0× the cleanest month (March, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1718 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr7Good
May8Good
Jun8Good
Jul8Good
Aug11Good
Sep19Moderate
Oct12Good
Nov8Good
Dec7Good
Location & terrain

Where is Cascavel?

Cascavel sits at 25.0°S, 53.5°W, 786 m above sea level, in Brazil. The nearest listed city is Corbélia, 23 km away.

Topography around Cascavel

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

Within 3 km, the terrain around Cascavel has only modest variations in elevation — a maximum elevation change of 127 m around an average of 735 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 275 m; within 80 km, large variations in elevation — a maximum elevation change of 781 m.

The land around Cascavel is covered by artificial surfaces (74%) within 3 km, cropland (61%) and trees (26%) within 16 km, and cropland (50%) and trees (33%) within 80 km.

3 km
127 m
16 km
275 m
80 km
781 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Corbélia 23 km · Toledo 40 km · Cafelândia 40 km · Assis Chateaubriand 60 km · Matelândia 62 km · Ubiratã 66 km · Medianeira 75 km · Marechal Cândido Rondon 75 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 Cascavel (-24.9558°, -53.4553°, elevation 786 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).