Nova Alvorada do Sul weather in September

In September, Nova Alvorada do Sul sees average daytime highs of 31°C and overnight lows near 19°C, with 88 mm of rain across 8.2 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 52% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Nova Alvorada do Sul's 4th-clearest and 2nd-windiest month. For the whole year in context, see Nova Alvorada do Sul's year-round climate.

Daytime high
31°
7th warmest
Overnight low
19°
5th coldest
Rainfall
88 mm
8.2 wet days
Daylight
11 h 54 min
6:36 AM – 6:28 PM
Cloud cover
44%
4th clearest
Wind
10 km/h
2nd windiest
Solar energy
5.37 kWh/m²
Travel score
4.9
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical September day in Nova Alvorada do Sul reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 37°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13118
23118
33119
43119
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243120
253120
263120
273120
283120
293120
303120

How September really feels in Nova Alvorada do Sul

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.

Nova Alvorada do Sul weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20721.213.23.1
Feb31° / 22°16318.412.73.3
Mar31° / 22°12916.512.23.7
Apr30° / 20°749.211.55.2
May27° / 17°797.9116.9
Jun26° / 16°515.510.77.6
Jul27° / 16°354.410.87.8
Aug29° / 17°414.511.36.4
Sep31° / 19°888.211.94.9
Oct31° / 21°13114.412.53.9
Nov31° / 21°14215.1133.7
Dec32° / 22°16819.113.33.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27426
37327
47228
57129
67030
76931
86832
96832
106634
116634
126634
136535
146535
156436
166436
176436
186337
196337
206337
216238
226139
236139
246040
255842
265743
275644
285545
295545
305446

Chance of precipitation in September

Any precipitation

Nova Alvorada do Sul gets around 88 mm of rain over 8.2 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 27% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
117
217
318
419
519
620
720
821
921
1022
1122
1223
1323
1424
1525
1626
1727
1828
1929
2030
2131
2232
2334
2435
2537
2638
2739
2840
2941
3041

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
149301560
248301660
347301670
446301780
545301780
643291890
742291990
8412919100
9402920111
10392821111
11372822121
12362723131
13352724131
14332625141
15322626151
16312527161
17302527171
18292428181
19282328191
20272329211
21262229221
22242229241
23232128262
24222028282
25212028302
26201927322
27181927333
28181826353
29171726364
30161726384

Wind in September

Winds average 10 km/h in September.

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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 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 36 minutes over September. Sunrise moves from 6:50 AM to 6:22 AM, and sunset from 6:24 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:506:24
211.66:496:25
311.66:486:25
411.66:476:25
511.66:466:25
611.76:456:26
711.76:446:26
811.76:436:26
911.76:426:26
1011.86:426:27
1111.86:416:27
1211.86:406:27
1311.86:396:27
1411.86:386:28
1511.96:376:28
1611.96:366:28
1711.96:346:28
1811.96:336:29
1911.96:326:29
2012.06:316:29
2112.06:306:30
2212.06:296:30
2312.06:286:30
2412.06:276:30
2512.16:266:31
2612.16:266:31
2712.16:256:31
2812.16:246:31
2912.26:236:32
3012.26:226:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.37 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 6.14 kWh/m² in December across the year — September's 5.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Nova Alvorada do Sul

In seasonPeak

None of Nova Alvorada do Sul's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Nova Alvorada do Sul's rainy season runs October–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Nova Alvorada do Sul?

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

4.9
Sightseeing
6th-best month of the year
7.1
Beach & pool
4th-best month of the year

September is a reasonable time to visit Nova Alvorada do Sul for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nova Alvorada do Sul in September

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

In September, Nova Alvorada do Sul sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Nova Alvorada do Sul in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nova Alvorada do Sul peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highModerateExtremeJan 19UV 15Sep 14UV 4
UV index (midday)Level
Jan16Extreme
Feb14Extreme
Mar13Extreme
Apr10Extreme
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep3Moderate
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Nova Alvorada do Sul 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 Nova Alvorada do Sul is worst in September — around 25 µg/m³ PM2.5 (moderate), about 4.6× the cleanest month (April, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1623 µg/m³Apr 105 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar6Good
Apr5Good
May6Good
Jun6Good
Jul6Good
Aug14Moderate
Sep25Moderate
Oct14Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Nova Alvorada do Sul?

Nova Alvorada do Sul sits at 21.5°S, 54.4°W, 420 m above sea level, in Brazil. The nearest listed city is Rio Brilhante, 41 km away.

Topography around Nova Alvorada do Sul

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nova Alvorada do Sul.

Within 3 km, the terrain around Nova Alvorada do Sul has only modest variations in elevation — a maximum elevation change of 100 m around an average of 401 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 236 m; within 80 km, significant variations in elevation — a maximum elevation change of 360 m.

The land around Nova Alvorada do Sul is covered by cropland (55%) within 3 km, cropland (66%) and trees (20%) within 16 km, and cropland (57%), grassland (21%) and trees (20%) within 80 km.

3 km
100 m
16 km
236 m
80 km
360 m
treesshrubsgrasslandcroplandartificial surfaceswetland
September weather nearby: Rio Brilhante 41 km · Itaporã 80 km · Maracaju 83 km · Sidrolândia 84 km · Dourados 95 km · Fátima do Sul 102 km · Campo Grande 117 km · Campo Verde 121 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 Nova Alvorada do Sul (-21.4658°, -54.3839°, elevation 420 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).