Forquilhinha weather in September

In September, Forquilhinha sees average daytime highs of 22°C and overnight lows near 13°C, with 142 mm of rain across 13.3 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 22°C through the month. The sky is clear or mostly clear about 28% 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 12 min by month's end. Set against the rest of the year, September is Forquilhinha's 7th-clearest and 3rd-windiest month. For the whole year in context, see Forquilhinha's year-round climate.

Daytime high
22°
8th warmest
Overnight low
13°
5th coldest
Rainfall
142 mm
13.3 wet days
Daylight
11 h 48 min
7:17 AM – 7:07 PM
Cloud cover
65%
7th clearest
Wind
8 km/h
3rd windiest
Solar energy
4.23 kWh/m²
Travel score
6.1
out of 10

Forquilhinha 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 22°C through the month.

A typical September day in Forquilhinha reaches about 22°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 17°C and 28°C. Set against its neighbours, September runs on par with August and about 2°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62213
72213
82213
92213
102213
112213
122213
132213
142213
152213
162213
172213
182213
192213
202214
212214
222214
232214
242214
252214
262214
272214
282214
292214
302214

Forquilhinha 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
Jan28° / 20°2652213.64.5
Feb28° / 20°23121134.3
Mar27° / 19°18119.712.25.1
Apr25° / 16°11712.611.36.4
May22° / 13°13911.210.66.6
Jun21° / 11°1039.810.26.5
Jul20° / 10°10610.210.46.4
Aug22° / 11°10510116.7
Sep22° / 13°14213.311.86.1
Oct24° / 15°17216.812.75.7
Nov26° / 17°17116.113.45.7
Dec27° / 19°19618.513.85.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24852
34753
44555
54555
64456
74357
84258
94159
104159
114060
124060
134060
143961
153961
163961
173862
183763
193763
203763
213664
223664
233664
243565
253466
263466
273367
283367
293268
303169

Chance of precipitation in September

Any precipitation

Forquilhinha gets around 142 mm of rain over 13.3 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 44% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
135
236
337
437
538
639
739
840
941
1041
1142
1242
1343
1444
1544
1645
1746
1846
1947
2047
2148
2248
2348
2449
2549
2650
2750
2850
2950
3050

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 35% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14031253
24031263
33931273
43931273
53831283
63831283
73831283
83731293
93731293
103731303
113731303
123631303
133631313
143530313
153530313
163530314
173530314
183530314
193530305
203530305
213431305
223431306
233331306
243231306
253232306
263132317
273032317
283031317
292931328
302931328

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 7:36 AM to 7:00 AM, and sunset from 6:59 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:366:59
211.47:357:00
311.57:337:01
411.57:327:01
511.57:317:02
611.57:307:02
711.67:287:03
811.67:277:03
911.67:267:04
1011.77:257:04
1111.77:247:05
1211.77:227:05
1311.77:217:06
1411.87:207:06
1511.87:197:07
1611.87:177:07
1711.97:167:08
1811.97:157:08
1911.97:147:09
2011.97:127:09
2112.07:117:10
2212.07:107:10
2312.07:097:11
2412.17:077:11
2512.17:067:12
2612.17:057:12
2712.27:047:13
2812.27:027:13
2912.27:017:14
3012.27:007:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.23 kWh/m².

For context, solar energy here swings from a low near 2.74 kWh/m² to a high of 6.27 kWh/m² in December across the year — September's 4.23 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Forquilhinha?

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

6.1
Sightseeing
6th-best month of the year
4.3
Beach & pool
10th-best month of the year

September is a reasonable time to visit Forquilhinha for sightseeing.

What to pack for Forquilhinha in September

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

In September, Forquilhinha sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Forquilhinha 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 37 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 Oct 28 to May 30 — about 7.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb25Warm
Mar25Warm
Apr23Refreshing
May21Refreshing
Jun19Cool
Jul17Cool
Aug17Cool
Sep18Cool
Oct20Cool
Nov21Refreshing
Dec23Refreshing

UV index in Forquilhinha 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 Forquilhinha peaks around January 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 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 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec12Extreme

Air quality in Forquilhinha 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 Forquilhinha is worst in August — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (March, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1916 µg/m³Mar 137 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May8Good
Jun8Good
Jul10Good
Aug16Moderate
Sep13Moderate
Oct10Good
Nov8Good
Dec8Good
Location & terrain

Where is Forquilhinha?

Forquilhinha sits at 28.7°S, 49.5°W, 28 m above sea level, in Brazil. The nearest listed city is Criciúma, 13 km away.

Topography around Forquilhinha

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

Within 3 km, the terrain around Forquilhinha has only modest variations in elevation — a maximum elevation change of 35 m around an average of 27 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 584 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,794 m.

The land around Forquilhinha is covered by cropland (47%) and grassland (21%) within 3 km, cropland (40%) and trees (34%) within 16 km, and trees (39%), grassland (25%) and water (24%) within 80 km.

3 km
35 m
16 km
584 m
80 km
1,794 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Criciúma 13 km · Içara 17 km · Araranguá 21 km · Cocal do Sul 22 km · Balneário Rincão 25 km · Balneário Arroio do Silva 27 km · Morro da Fumaça 28 km · Urussanga 30 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 Forquilhinha (-28.7475°, -49.4722°, elevation 28 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. 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).