Sombrio weather in September

In September, Sombrio sees average daytime highs of 20°C and overnight lows near 15°C, with 132 mm of rain across 12.5 wet days and about 11.8 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 31% of the time in September, and the air most often feels humid.

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 Sombrio's 9th-clearest and 2nd-windiest month. For the whole year in context, see Sombrio's year-round climate.

Daytime high
20°
9th warmest
Overnight low
15°
4th coldest
Rainfall
132 mm
12.5 wet days
Daylight
11 h 48 min
7:18 AM – 7:08 PM
Cloud cover
61%
9th clearest
Wind
14 km/h
2nd windiest
Solar energy
4.3 kWh/m²
Travel score
5.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical September day in Sombrio reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12014
22014
32015
42015
52015
62015
72015
82015
92015
102015
112015
122015
132015
142015
152015
162015
172015
182015
192015
202015
212015
222015
232015
242015
252016
262016
272016
282016
292016
302016

Sombrio weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 22°18920.313.75.2
Feb26° / 22°15619.5135.0
Mar26° / 21°13618.112.25.6
Apr24° / 19°10012.411.36.6
May21° / 16°13011.110.66.4
Jun19° / 14°9910.210.26.2
Jul18° / 13°11010.110.36.1
Aug19° / 14°10410116.3
Sep20° / 15°13212.511.85.9
Oct22° / 17°15215.912.75.6
Nov23° / 18°13514.913.56.1
Dec25° / 20°13916.413.85.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25347
35248
45050
55050
65050
74852
84852
94753
104852
114852
124753
134753
144753
154753
164654
174654
184753
194654
204654
214555
224555
234456
244456
254456
264258
274258
284159
294159
304159

Chance of precipitation in September

Any precipitation

Sombrio gets around 132 mm of rain over 12.5 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 42% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
134
235
335
436
537
638
738
839
939
1040
1140
1241
1341
1442
1542
1643
1743
1843
1944
2044
2144
2245
2345
2445
2546
2646
2746
2847
2947
3047

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid 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 (%)
13434302
23334312
33333322
43333322
53333332
63232332
73232342
83232342
93231352
103231352
113131362
123131362
133130372
143130372
153030382
163029382
173129383
183129383
193129373
203129374
213029374
223029364
232930365
242930375
252830376
262730376
272730376
282630377
292630378
302530378

Wind in September

Winds average 14 km/h in September.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 7:37 AM to 7:00 AM, and sunset from 7:00 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:377:00
211.47:357:00
311.47:347:01
411.57:337:01
511.57:327:02
611.57:317:02
711.67:297:03
811.67:287:03
911.67:277:04
1011.67:267:04
1111.77:247:05
1211.77:237:06
1311.77:227:06
1411.87:207:07
1511.87:197:07
1611.87:187:08
1711.97:177:08
1811.97:157:09
1911.97:147:09
2011.97:137:10
2112.07:127:10
2212.07:107:11
2312.07:097:11
2412.17:087:12
2512.17:077:12
2612.17:057:13
2712.27:047:14
2812.27:037:14
2912.27:027:15
3012.27:007:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.3 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 6.48 kWh/m² in December across the year — September's 4.3 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Is September a good time to visit Sombrio?

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

5.9
Sightseeing
7th-best month of the year
3.1
Beach & pool
9th-best month of the year

September is a reasonable time to visit Sombrio for sightseeing.

What to pack for Sombrio in September

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

In September, Sombrio sees daytime highs around 20°C and nights near 15°C. Worth packing: rain gear. About 13 days see rain.

rain gear

Sea temperature near Sombrio in September

The nearest coast averages about 18°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 24 km away) is warmest in February at about 25°C and coldest in August near 17°C.

It's comfortable for a long swim from Nov 1 to May 27 — about 6.8 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr23Refreshing
May21Refreshing
Jun19Cool
Jul17Cool
Aug17Cool
Sep18Cool
Oct19Cool
Nov21Refreshing
Dec23Refreshing

UV index in Sombrio 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 Sombrio peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 18UV 13Jun 22UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Sombrio?

Sombrio sits at 29.1°S, 49.6°W, 2 m above sea level, in Brazil. The nearest listed city is Balneário Gaivota, 6.0 km away.

Topography around Sombrio

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

Within 3 km, the terrain around Sombrio has only modest variations in elevation — a maximum elevation change of 62 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 344 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,496 m.

The land around Sombrio is covered by grassland (50%) within 3 km, water (30%), trees (23%) and grassland (22%) within 16 km, and trees (35%), water (30%) and grassland (23%) within 80 km.

3 km
62 m
16 km
344 m
80 km
1,496 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Balneário Gaivota 6.0 km · Araranguá 23 km · Balneário Arroio do Silva 24 km · Torres 27 km · Forquilhinha 43 km · Balneário Rincão 48 km · Criciúma 54 km · Içara 54 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 Sombrio (-29.1139°, -49.6167°, elevation 2 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).