Araucária weather in September

In September, Araucária sees average daytime highs of 22°C and overnight lows near 12°C, with 131 mm of rain across 10.9 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 27% 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 Araucária's 6th-clearest and 1st-windiest month. For the whole year in context, see Araucária's year-round climate.

Daytime high
22°
8th warmest
Overnight low
12°
5th coldest
Rainfall
131 mm
10.9 wet days
Daylight
11 h 54 min
7:16 AM – 7:08 PM
Cloud cover
67%
6th clearest
Wind
12 km/h
1st windiest
Solar energy
4.16 kWh/m²
Travel score
6.3
out of 10

Araucária is human settlement in Brazil.

Air quality
Good
PM10 18 µg/m³ · 2015

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 22°C through the month.

A typical September day in Araucária reaches about 22°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102212
112212
122212
132212
142212
152212
162212
172212
182212
192112
202112
212112
222112
232112
242113
252113
262113
272113
282113
292113
302213

Araucária weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°21922.313.44.7
Feb26° / 18°18819.512.94.8
Mar25° / 17°12616.612.25.7
Apr23° / 15°769.511.46.7
May20° / 12°898.510.86.4
Jun19° / 10°988.810.46.3
Jul19° / 10°887.610.66.5
Aug21° / 11°767.611.16.9
Sep22° / 12°13110.911.86.3
Oct23° / 14°14114.412.65.8
Nov24° / 15°13014.713.25.9
Dec26° / 17°17519.113.65.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25149
35050
45050
54654
64555
74456
84357
94159
104060
114060
123862
133763
143763
153763
163664
173565
183466
193367
203367
213268
223169
233169
242971
252971
262872
272872
282773
292773
302674

Chance of precipitation in September

Any precipitation

Araucária gets around 131 mm of rain over 10.9 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 36% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
127
228
328
429
529
630
730
831
931
1032
1132
1233
1334
1434
1535
1636
1737
1838
1939
2039
2140
2241
2342
2443
2543
2644
2744
2844
2945
3045

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 47% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1583750
2573850
3563860
4553960
5534070
6524080
7524080
8514180
9504190
10504190
11494190
124841100
134841100
144741110
154741120
164641120
174641121
184641131
194640131
204640131
214640141
224540141
234440151
244440161
254340171
264239181
274139191
284039201
293939211
303838221

Wind in September

Winds average 12 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
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 7:33 AM to 7:01 AM, and sunset from 7:02 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:337:02
211.57:327:02
311.57:317:02
411.57:307:03
511.67:297:03
611.67:287:04
711.67:277:04
811.67:257:04
911.77:247:05
1011.77:237:05
1111.77:227:06
1211.77:217:06
1311.87:207:06
1411.87:197:07
1511.87:187:07
1611.97:167:08
1711.97:157:08
1811.97:147:08
1911.97:137:09
2012.07:127:09
2112.07:117:10
2212.07:107:10
2312.07:087:10
2412.17:077:11
2512.17:067:11
2612.17:057:12
2712.17:047:12
2812.27:037:12
2912.27:027:13
3012.27:017:13

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.16 kWh/m².

For context, solar energy here swings from a low near 2.82 kWh/m² to a high of 5.68 kWh/m² in December across the year — September's 4.16 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Is September a good time to visit Araucária?

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

6.3
Sightseeing
5th-best month of the year
4.2
Beach & pool
8th-best month of the year

September is a reasonable time to visit Araucária for sightseeing.

What to pack for Araucária in September

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

In September, Araucária sees daytime highs around 22°C and nights near 12°C. Worth packing: rain gear. About 11 days see rain.

rain gear

UV index in Araucária 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 Araucária peaks around January 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 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 18UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May6High
Jun6High
Jul5High
Aug7High
Sep7Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Araucária 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 Araucária is worst in September — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1118 µg/m³Dec 2110 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar11Good
Apr12Good
May14Moderate
Jun14Moderate
Jul16Moderate
Aug17Moderate
Sep19Moderate
Oct13Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Araucária?

Araucária sits at 25.6°S, 49.4°W, 886 m above sea level, in Brazil. The nearest listed city is Fazenda Rio Grande, 13 km away.

Topography around Araucária

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

Within 3 km, the terrain around Araucária has only modest variations in elevation — a maximum elevation change of 67 m around an average of 886 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 178 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,807 m.

The land around Araucária is covered by trees (38%), artificial surfaces (33%) and grassland (20%) within 3 km, trees (45%) and cropland (20%) within 16 km, and trees (72%) within 80 km.

3 km
67 m
16 km
178 m
80 km
1,807 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Fazenda Rio Grande 13 km · Contenda 16 km · Campo Largo 19 km · São José dos Pinhais 21 km · Mandirituba 22 km · Curitiba 23 km · Campo Magro 25 km · Pinhais 27 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 Araucária (-25.5931°, -49.4103°, elevation 886 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).