Ibirama weather in September

In September, Ibirama sees average daytime highs of 21°C and overnight lows near 13°C, with 175 mm of rain across 12.4 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 4th-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 20% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 24 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Ibirama's 7th-clearest and 3rd-windiest month. For the whole year in context, see Ibirama's year-round climate.

Daytime high
21°
8th warmest
Overnight low
13°
5th coldest
Rainfall
175 mm
12.4 wet days
Daylight
11 h 48 min
7:17 AM – 7:08 PM
Cloud cover
73%
7th clearest
Wind
7 km/h
3rd windiest
Solar energy
3.69 kWh/m²
Travel score
5.9
out of 10

Ibirama is 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 Ibirama reaches about 21°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 28°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62112
72112
82112
92112
102112
112112
122112
132113
142113
152113
162113
172113
182113
192113
202113
212113
222113
232113
242113
252113
262113
272113
282113
292113
302113

Ibirama weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°2302213.54.6
Feb27° / 19°20720.2134.5
Mar26° / 18°14618.512.25.3
Apr24° / 16°931111.46.5
May21° / 12°11010.110.76.3
Jun19° / 11°1219.510.36.1
Jul19° / 10°1119.410.56.1
Aug20° / 11°1048.8116.5
Sep21° / 13°17512.411.85.9
Oct23° / 15°16415.612.65.6
Nov25° / 16°14416.113.35.7
Dec27° / 18°18418.513.75.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 70%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24357
34258
44159
53961
63763
73763
83565
93367
103367
113169
123169
133070
143070
153070
162872
172872
182872
192773
202773
212674
222575
232575
242476
252476
262476
272377
282377
292278
302278

Chance of precipitation in September

Any precipitation

Ibirama gets around 175 mm of rain over 12.4 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 41% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
130
231
331
432
533
634
734
835
936
1037
1138
1238
1339
1440
1541
1641
1742
1843
1944
2044
2145
2246
2347
2447
2548
2648
2748
2849
2949
3049

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 36% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13838212
23838222
33837232
43737242
53736252
63736252
73636262
83636262
93635262
103635273
113535273
123535273
133435273
143435283
153435283
163435283
173435273
183435274
193435274
203436274
213436274
223336274
233336274
243237274
253237284
263137284
273037294
283037294
292937304
302937305

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 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 48 minutes over September. Sunrise moves from 7:35 AM to 7:01 AM, and sunset from 7:01 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:357:01
211.57:347:01
311.57:327:02
411.57:317:02
511.57:307:03
611.67:297:03
711.67:287:04
811.67:277:04
911.77:257:05
1011.77:247:05
1111.77:237:05
1211.77:227:06
1311.87:217:06
1411.87:207:07
1511.87:187:07
1611.87:177:08
1711.97:167:08
1811.97:157:09
1911.97:147:09
2012.07:127:09
2112.07:117:10
2212.07:107:10
2312.07:097:11
2412.17:087:11
2512.17:067:12
2612.17:057:12
2712.17:047:13
2812.27:037:13
2912.27:027:14
3012.27:017:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.69 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 5.47 kWh/m² in December across the year — September's 3.69 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in September

Is September a good time to visit Ibirama?

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

5.9
Sightseeing
6th-best month of the year
3.8
Beach & pool
8th-best month of the year

September is a reasonable time to visit Ibirama for sightseeing.

What to pack for Ibirama in September

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

In September, Ibirama sees daytime highs around 21°C and nights near 13°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Ibirama in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ibirama peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 10UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct9Very high
Nov12Extreme
Dec13Extreme

Air quality in Ibirama 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 Ibirama is worst in September — around 15 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 915 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr11Good
May13Moderate
Jun13Moderate
Jul14Moderate
Aug15Moderate
Sep15Moderate
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Ibirama?

Ibirama sits at 27.1°S, 49.5°W, 156 m above sea level, in Brazil. The nearest listed city is Presidente Getúlio, 10 km away.

Topography around Ibirama

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

Within 3 km, the terrain around Ibirama has significant variations in elevation — a maximum elevation change of 368 m around an average of 240 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 938 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,484 m.

The land around Ibirama is covered by trees (75%) within 3 km, trees (80%) within 16 km, and trees (81%) within 80 km.

3 km
368 m
16 km
938 m
80 km
1,484 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Presidente Getúlio 10 km · Rio do Sul 21 km · Indaial 33 km · Timbó 36 km · Ituporanga 41 km · Pouso Redondo 47 km · Blumenau 47 km · Taió 48 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 Ibirama (-27.0569°, -49.5178°, elevation 156 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).