Sapiranga weather in September

In September, Sapiranga sees average daytime highs of 22°C and overnight lows near 13°C, with 153 mm of rain across 12 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 3rd-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 30% 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 18 min by month's end. Set against the rest of the year, September is Sapiranga's 11th-clearest and 1st-windiest month. For the whole year in context, see Sapiranga's year-round climate.

Daytime high
22°
8th warmest
Overnight low
13°
4th coldest
Rainfall
153 mm
12 wet days
Daylight
11 h 48 min
7:24 AM – 7:13 PM
Cloud cover
63%
11th clearest
Wind
9 km/h
1st windiest
Solar energy
4.08 kWh/m²
Travel score
6.3
out of 10

Sapiranga 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 Sapiranga reaches about 22°C in the afternoon and slips back to 13°C overnight — a 10°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 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)
12212
22212
32212
42212
52212
62212
72212
82212
92212
102212
112212
122212
132212
142212
152212
162213
172213
182213
192213
202213
212213
222213
232213
242213
252213
262213
272213
282313
292313
302313

Sapiranga weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°16415.513.74.7
Feb29° / 20°13914.713.14.8
Mar28° / 18°13213.512.25.8
Apr25° / 16°10910.311.36.8
May21° / 13°11710.110.56.6
Jun20° / 11°11710.410.16.1
Jul19° / 10°14510.610.36.1
Aug21° / 11°12610.510.96.5
Sep22° / 13°1531211.86.3
Oct24° / 15°1841412.76.2
Nov26° / 16°13212.313.56.2
Dec29° / 18°14113.613.95.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24654
34654
44555
54357
64258
74357
84258
94159
104159
114159
124258
134159
144159
154159
164159
174159
184159
194258
204258
214258
224258
234258
244258
254258
264060
274060
283961
293961
303961

Chance of precipitation in September

Any precipitation

Sapiranga gets around 153 mm of rain over 12 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 40% and peaks near 44% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
435
536
636
737
837
938
1038
1139
1239
1340
1440
1541
1641
1742
1842
1942
2043
2143
2243
2343
2443
2543
2644
2744
2844
2944
3044

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14427254
24427254
34327264
44327264
54227264
64228264
74228274
84228274
94228274
104128274
114128274
124028274
134028284
143928284
153928285
163928285
173928285
183928276
193928276
203928276
213928267
223928267
233828267
243828268
253728268
263728269
273628269
2836282610
2936282610
3035282611

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 24 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over September. Sunrise moves from 7:43 AM to 7:06 AM, and sunset from 7:05 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:437:05
211.47:417:05
311.47:407:06
411.57:397:07
511.57:387:07
611.57:367:08
711.67:357:08
811.67:347:09
911.67:337:09
1011.67:317:10
1111.77:307:10
1211.77:297:11
1311.77:277:11
1411.87:267:12
1511.87:257:13
1611.87:247:13
1711.97:227:14
1811.97:217:14
1911.97:207:15
2011.97:187:15
2112.07:177:16
2212.07:167:16
2312.07:157:17
2412.17:137:17
2512.17:127:18
2612.17:117:19
2712.27:107:19
2812.27:087:20
2912.27:077:20
3012.37:067:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.08 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 6.48 kWh/m² in December across the year — September's 4.08 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
114.0Moderate
124.0Moderate
134.0Moderate
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Is September a good time to visit Sapiranga?

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

6.3
Sightseeing
4th-best month of the year
4.4
Beach & pool
8th-best month of the year

September is a reasonable time to visit Sapiranga for sightseeing.

What to pack for Sapiranga in September

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

In September, Sapiranga sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

UV index in Sapiranga 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 Sapiranga peaks around January 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 13Jun 20UV 4
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Very high
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in Sapiranga 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 Sapiranga is worst in August — around 27 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateAug 1327 µg/m³Dec 2213 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar15Moderate
Apr18Moderate
May21Moderate
Jun23Moderate
Jul25Moderate
Aug27Moderate
Sep23Moderate
Oct16Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Sapiranga?

Sapiranga sits at 29.6°S, 51.0°W, 36 m above sea level, in Brazil. The nearest listed city is Campo Bom, 6.0 km away.

Topography around Sapiranga

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

Within 3 km, the terrain around Sapiranga has only modest variations in elevation — a maximum elevation change of 213 m around an average of 48 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 769 m; within 80 km, large variations in elevation — a maximum elevation change of 1,028 m.

The land around Sapiranga is covered by artificial surfaces (40%), trees (36%) and grassland (23%) within 3 km, trees (64%) and grassland (21%) within 16 km, and trees (55%) and grassland (25%) within 80 km.

3 km
213 m
16 km
769 m
80 km
1,028 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Campo Bom 6.0 km · Dois Irmãos 10 km · Nova Hartz 12 km · Novo Hamburgo 13 km · Ivoti 16 km · Estância Velha 16 km · Parobé 17 km · São Leopoldo 19 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 Sapiranga (-29.6381°, -51.0069°, elevation 36 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).