Naviraí weather in September

In September, Naviraí sees average daytime highs of 29°C and overnight lows near 17°C, with 99 mm of rain across 8.7 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 48% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Naviraí's 3rd-clearest and 2nd-windiest month. For the whole year in context, see Naviraí's year-round climate.

Daytime high
29°
7th warmest
Overnight low
17°
5th coldest
Rainfall
99 mm
8.7 wet days
Daylight
11 h 54 min
6:35 AM – 6:27 PM
Cloud cover
46%
3rd clearest
Wind
10 km/h
2nd windiest
Solar energy
5.17 kWh/m²
Travel score
5.8
out of 10

Naviraí 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 29°C through the month.

A typical September day in Naviraí reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 36°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
12916
22916
32917
42917
52917
62917
72917
82917
92917
102917
112917
122917
132917
142917
152917
162917
172917
182917
192917
202917
212918
222918
232918
242918
252918
262918
272918
282918
292918
302918

How September really feels in Naviraí

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.

Naviraí weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 22°18720.713.33.3
Feb31° / 22°1641812.83.5
Mar31° / 21°12915.812.24.1
Apr29° / 19°889.311.55.8
May25° / 16°1058.310.97.2
Jun24° / 15°827.410.67.6
Jul25° / 14°656.210.77.9
Aug27° / 15°655.911.27.4
Sep29° / 17°998.711.95.8
Oct30° / 19°1531412.54.6
Nov30° / 20°1481413.14.3
Dec31° / 21°17217.713.43.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27129
37030
46931
56832
66733
76634
86535
96535
106436
116436
126337
136337
146337
156337
166238
176238
186238
196139
206139
216040
225941
235842
245644
255545
265446
275248
285248
295149
305050

Chance of precipitation in September

Any precipitation

Naviraí gets around 99 mm of rain over 8.7 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 29% and peaks near 39% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
121
222
323
423
524
625
725
826
926
1027
1127
1227
1328
1428
1528
1629
1729
1829
1930
2030
2131
2232
2333
2434
2535
2636
2737
2838
2938
3039

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 29% 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 (%)
137342360
236342360
335342470
434342470
534342580
633342580
732342590
8313326100
9313326100
10303327110
11293227120
12283128130
13273128130
14273029140
15263029150
16252929160
17252929180
18242829190
19242728200
20232728221
21222628231
22212528251
23202528261
24192428282
25182327292
26172327312
27162227322
28152127333
29152127343
30142028353

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 10 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
710calm
810calm
910calm
1010calm
1110calm
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 30 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 42 minutes over September. Sunrise moves from 6:51 AM to 6:20 AM, and sunset from 6:22 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:516:22
211.66:506:23
311.66:496:23
411.66:486:23
511.66:476:24
611.66:456:24
711.76:446:24
811.76:436:25
911.76:426:25
1011.76:416:25
1111.86:406:26
1211.86:396:26
1311.86:386:26
1411.86:376:27
1511.86:366:27
1611.96:356:27
1711.96:346:27
1811.96:336:28
1911.96:326:28
2012.06:316:28
2112.06:306:29
2212.06:296:29
2312.06:286:29
2412.16:276:30
2512.16:266:30
2612.16:256:30
2712.16:236:31
2812.16:226:31
2912.26:216:31
3012.26:206:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.17 kWh/m².

For context, solar energy here swings from a low near 3.28 kWh/m² to a high of 6.22 kWh/m² in December across the year — September's 5.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Naviraí?

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

5.8
Sightseeing
5th-best month of the year
7.4
Beach & pool
2nd-best month of the year

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

What to pack for Naviraí in September

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

In September, Naviraí sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Naviraí in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Naviraí peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 14 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 19UV 15Sep 14UV 3
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep2Moderate
Oct11Extreme
Nov12Extreme
Dec13Extreme

Air quality in Naviraí 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 Naviraí is worst in September — around 34 µg/m³ PM2.5 (moderate), about 6.4× the cleanest month (March, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1532 µg/m³Mar 185 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb7Good
Mar5Good
Apr6Good
May8Good
Jun8Good
Jul7Good
Aug20Moderate
Sep34Moderate
Oct14Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Naviraí?

Naviraí sits at 23.1°S, 54.2°W, 366 m above sea level, in Brazil. The nearest listed city is Itaquiraí, 46 km away.

Topography around Naviraí

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

Within 3 km, the terrain around Naviraí has only modest variations in elevation — a maximum elevation change of 127 m around an average of 349 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 184 m; within 80 km, significant variations in elevation — a maximum elevation change of 270 m.

The land around Naviraí is covered by artificial surfaces (35%) and grassland (33%) within 3 km, cropland (48%) and grassland (34%) within 16 km, and cropland (44%) and grassland (39%) within 80 km.

3 km
127 m
16 km
184 m
80 km
270 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Itaquiraí 46 km · Caarapó 81 km · Fátima do Sul 84 km · Altônia 95 km · Amambai 106 km · Taquarussu 107 km · Loanda 109 km · Dourados 113 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 Naviraí (-23.065°, -54.1906°, elevation 366 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).