Flores da Cunha weather in September

In September, Flores da Cunha sees average daytime highs of 21°C and overnight lows near 11°C, with 159 mm of rain across 12.3 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 21°C through the month. The sky is clear or mostly clear about 31% 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 Flores da Cunha's 8th-clearest and 1st-windiest month. For the whole year in context, see Flores da Cunha's year-round climate.

Daytime high
21°
8th warmest
Overnight low
11°
5th coldest
Rainfall
159 mm
12.3 wet days
Daylight
11 h 48 min
7:24 AM – 7:14 PM
Cloud cover
61%
8th clearest
Wind
10 km/h
1st windiest
Solar energy
4.27 kWh/m²
Travel score
6.0
out of 10

Flores da Cunha 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 21°C through the month.

A typical September day in Flores da Cunha reaches about 21°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12110
22110
32110
42110
52110
62110
72110
82110
92110
102110
112110
122110
132110
142111
152111
162111
172111
182111
192111
202111
212111
222111
232111
242111
252111
262111
272111
282111
292111
302111

Flores da Cunha 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
Jan27° / 17°17817.513.65.4
Feb26° / 17°15716.9135.3
Mar25° / 16°13814.112.26.2
Apr23° / 13°12511.211.36.6
May19° / 10°13910.310.66.1
Jun18° / 13410.210.25.7
Jul17° / 1641110.35.6
Aug20° / 12410.2116.3
Sep21° / 11°15912.311.86.0
Oct23° / 13°20214.212.76.0
Nov25° / 14°14913.213.56.4
Dec26° / 16°17015.213.85.8

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 12% of September, with mostly cloudy or overcast conditions the remaining 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
24951
34852
44753
54654
64654
74555
84555
94456
104456
114456
124357
134357
144357
154357
164357
174357
184357
194357
204357
214357
224357
234258
244258
254159
264060
273961
283961
293763
303763

Chance of precipitation in September

Any precipitation

Flores da Cunha gets around 159 mm of rain over 12.3 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 41% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
135
235
336
436
536
637
737
838
938
1039
1139
1240
1340
1441
1541
1642
1742
1843
1944
2044
2144
2245
2345
2445
2546
2646
2746
2846
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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1672760
2662860
3652870
4642970
5642970
6642970
7632980
8632980
9623080
10623080
11613090
12613090
13613090
146030100
156030100
166029110
176029110
186029110
196128110
206028120
216028120
226028120
236027130
246027130
255927140
265728150
275728150
285628160
295528161
305428171

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
711calm
811calm
911calm
1011calm
1111calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2811calm
2911calm
3011calm

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 7:43 AM to 7:07 AM, and sunset from 7:06 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:437:06
211.47:427:07
311.47:407:07
411.57:397:08
511.57:387:08
611.57:377:09
711.67:357:09
811.67:347:10
911.67:337:10
1011.77:327:11
1111.77:317:11
1211.77:297:12
1311.77:287:12
1411.87:277:13
1511.87:257:13
1611.87:247:14
1711.97:237:14
1811.97:227:15
1911.97:207:15
2011.97:197:16
2112.07:187:17
2212.07:177:17
2312.07:157:18
2412.17:147:18
2512.17:137:19
2612.17:127:19
2712.27:107:20
2812.27:097:20
2912.27:087:21
3012.27:077:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.27 kWh/m².

For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 6.38 kWh/m² in December across the year — September's 4.27 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
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 Flores da Cunha?

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

6.0
Sightseeing
6th-best month of the year
3.5
Beach & pool
8th-best month of the year

September is a reasonable time to visit Flores da Cunha for sightseeing.

What to pack for Flores da Cunha in September

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

In September, Flores da Cunha sees daytime highs around 21°C and nights near 11°C. Worth packing: rain gear. About 12 days see rain.

rain gear

UV index in Flores da Cunha 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 Flores da Cunha peaks around January 16 at about 14 (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 16UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar10Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug6High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in Flores da Cunha 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 Flores da Cunha is worst in August — around 22 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (February, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1822 µg/m³Feb 149 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb9Good
Mar10Good
Apr11Good
May12Moderate
Jun12Good
Jul15Moderate
Aug22Moderate
Sep18Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Flores da Cunha?

Flores da Cunha sits at 29.0°S, 51.2°W, 748 m above sea level, in Brazil. The nearest listed city is São Marcos, 13 km away.

Topography around Flores da Cunha

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

Within 3 km, the terrain around Flores da Cunha has only modest variations in elevation — a maximum elevation change of 199 m around an average of 748 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 701 m; within 80 km, large variations in elevation — a maximum elevation change of 1,079 m.

The land around Flores da Cunha is covered by trees (56%) and grassland (21%) within 3 km, trees (70%) within 16 km, and trees (63%) and grassland (20%) within 80 km.

3 km
199 m
16 km
701 m
80 km
1,079 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: São Marcos 13 km · Caxias do Sul 15 km · Farroupilha 27 km · Bento Gonçalves 36 km · Veranópolis 37 km · Nova Petrópolis 39 km · Garibaldi 42 km · Carlos Barbosa 43 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 Flores da Cunha (-29.0289°, -51.1817°, elevation 748 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).