Giruá weather in September

In September, Giruá sees average daytime highs of 24°C and overnight lows near 14°C, with 178 mm of rain across 11 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 40% 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 Giruá's 6th-clearest and 1st-windiest month. For the whole year in context, see Giruá's year-round climate.

Daytime high
24°
8th warmest
Overnight low
14°
5th coldest
Rainfall
178 mm
11 wet days
Daylight
11 h 48 min
7:37 AM – 7:27 PM
Cloud cover
53%
6th clearest
Wind
13 km/h
1st windiest
Solar energy
4.58 kWh/m²
Travel score
6.8
out of 10

Giruá 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 24°C through the month.

A typical September day in Giruá reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 30°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62313
72313
82313
92313
102313
112313
122313
132413
142414
152414
162414
172414
182414
192414
202414
212414
222414
232414
242414
252414
262414
272414
282414
292414
302515

How September really feels in Giruá

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Giruá weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°18215.713.64.3
Feb30° / 20°17615.6134.5
Mar29° / 19°15012.912.25.4
Apr26° / 16°18410.611.46.6
May22° / 13°1689.410.66.8
Jun20° / 12°16110.210.36.3
Jul20° / 11°16810.110.46.4
Aug22° / 12°1159117.1
Sep24° / 14°1781111.86.8
Oct26° / 16°25113.912.76.1
Nov28° / 17°18111.913.45.7
Dec30° / 19°19414.213.74.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15842
25644
35644
45545
55446
65446
75347
85347
95248
105248
115248
125149
135248
145248
155248
165248
175149
185149
195248
205248
215248
225248
235248
245149
255149
264951
274951
284852
294753
304654

Chance of precipitation in September

Any precipitation

Giruá gets around 178 mm of rain over 11 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 37% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
232
332
433
533
634
734
834
935
1035
1135
1235
1335
1436
1536
1637
1737
1837
1938
2038
2139
2239
2339
2440
2540
2641
2741
2841
2942
3042

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14531212
24531213
34531223
44430223
54430223
64429234
74429234
84429234
94428234
104428245
114427245
124427245
134327246
144326246
154326246
164325247
174325257
184325257
194425257
204324257
214324257
224324257
234225267
244125268
254125278
264025288
273925288
283825289
293825299
3037252910

Wind in September

Winds average 13 km/h in September, the windiest month of the year.

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
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light 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 7:55 AM to 7:20 AM, and sunset from 7:20 PM to 7:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:557:20
211.47:547:20
311.57:527:21
411.57:517:21
511.57:507:21
611.67:497:22
711.67:487:22
811.67:467:23
911.67:457:23
1011.77:447:24
1111.77:437:24
1211.77:427:25
1311.77:407:25
1411.87:397:26
1511.87:387:26
1611.87:377:27
1711.97:357:27
1811.97:347:28
1911.97:337:28
2011.97:327:29
2112.07:317:29
2212.07:297:30
2312.07:287:30
2412.17:277:31
2512.17:267:31
2612.17:247:32
2712.27:237:32
2812.27:227:33
2912.27:217:33
3012.27:207:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.58 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.65 kWh/m² in December across the year — September's 4.58 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.6Bright
174.6Bright
184.6Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
Planning a trip in September

Is September a good time to visit Giruá?

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

6.8
Sightseeing
2nd-best month of the year
5.6
Beach & pool
8th-best month of the year

September is a reasonable time to visit Giruá for sightseeing.

What to pack for Giruá in September

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

In September, Giruá sees daytime highs around 24°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

UV index in Giruá 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 Giruá peaks around January 20 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 highModerateVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7Very high
Nov11Extreme
Dec12Extreme

Air quality in Giruá 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 Giruá is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug12Moderate
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Giruá?

Giruá sits at 28.0°S, 54.3°W, 432 m above sea level, in Brazil. The nearest listed city is Santa Rosa, 22 km away.

Topography around Giruá

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

Within 3 km, the terrain around Giruá has only modest variations in elevation — a maximum elevation change of 93 m around an average of 392 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 206 m; within 80 km, significant variations in elevation — a maximum elevation change of 509 m.

The land around Giruá is covered by cropland (62%) and trees (20%) within 3 km, cropland (74%) and trees (21%) within 16 km, and cropland (59%) and trees (30%) within 80 km.

3 km
93 m
16 km
206 m
80 km
509 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Santa Rosa 22 km · Três de Maio 30 km · Santo Ângelo 31 km · Santo Cristo 38 km · Horizontina 45 km · Ijuí 58 km · São Luiz Gonzaga 73 km · Três Passos 76 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 Giruá (-28.0283°, -54.3497°, elevation 432 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).