Itaporã weather in September

In September, Itaporã sees average daytime highs of 30°C and overnight lows near 18°C, with 96 mm of rain across 8.5 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 30°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 Itaporã's 4th-clearest and 1st-windiest month. For the whole year in context, see Itaporã's year-round climate.

Daytime high
30°
7th warmest
Overnight low
18°
5th coldest
Rainfall
96 mm
8.5 wet days
Daylight
11 h 54 min
6:37 AM – 6:30 PM
Cloud cover
44%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
5.31 kWh/m²
Travel score
5.3
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical September day in Itaporã reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°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)
13017
23017
33017
43017
53018
63018
73018
83018
93018
103018
113018
123018
133018
143018
153018
163018
173018
183018
193018
203018
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019

How September really feels in Itaporã

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.

Itaporã 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° / 22°20120.513.23.3
Feb31° / 22°16518.512.83.3
Mar31° / 22°1291612.23.8
Apr30° / 20°879.611.55.3
May26° / 16°948.4117.0
Jun26° / 15°656.410.77.6
Jul26° / 14°515.410.87.8
Aug28° / 16°585.411.26.9
Sep30° / 18°968.511.95.3
Oct31° / 20°14914.612.54.1
Nov31° / 21°16415.213.13.8
Dec31° / 22°18518.713.33.4

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 14% of September, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27525
37426
47327
57228
67129
77030
86931
96931
106832
116733
126733
136733
146634
156634
166634
176634
186535
196535
206535
216337
226337
236238
246040
256040
265941
275743
285644
295545
305545

Chance of precipitation in September

Any precipitation

Itaporã gets around 96 mm of rain over 8.5 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 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
120
220
321
421
522
622
722
823
923
1024
1124
1224
1325
1426
1526
1627
1728
1829
1930
2031
2132
2233
2334
2435
2537
2638
2739
2840
2941
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 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 (%)
142331960
241331970
340322070
439322180
539322180
638322290
737312390
8363123100
9353024110
10342925110
11332926120
12322828120
13312829130
14302729140
15292630150
16282630160
17272531171
18262531181
19252430191
20252330211
21242330231
22222230251
23212129271
24202129282
25192028302
26181928322
27181927343
28171827363
29161726373
30151726383

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 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 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 6:52 AM to 6:23 AM, and sunset from 6:25 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:526:25
211.66:516:26
311.66:506:26
411.66:496:26
511.66:486:27
611.76:476:27
711.76:466:27
811.76:456:27
911.76:446:28
1011.76:436:28
1111.86:426:28
1211.86:416:29
1311.86:406:29
1411.86:396:29
1511.96:386:29
1611.96:376:30
1711.96:366:30
1811.96:356:30
1911.96:346:31
2012.06:336:31
2112.06:326:31
2212.06:316:31
2312.06:306:32
2412.06:296:32
2512.16:286:32
2612.16:276:33
2712.16:266:33
2812.16:256:33
2912.26:246:34
3012.26:236:34

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.31 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 6.2 kWh/m² in December across the year — September's 5.31 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Is September a good time to visit Itaporã?

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

5.3
Sightseeing
5th-best month of the year
7.2
Beach & pool
3rd-best month of the year

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

What to pack for Itaporã in September

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

In September, Itaporã sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Itaporã 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 Itaporã 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 highHighVery highModerateExtremeJan 19UV 15Sep 14UV 3
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep3Moderate
Oct12Extreme
Nov12Extreme
Dec13Extreme

Air quality in Itaporã 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 Itaporã 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 Itaporã?

Itaporã sits at 22.1°S, 54.8°W, 350 m above sea level, in Brazil. The nearest listed city is Dourados, 16 km away.

Topography around Itaporã

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

Within 3 km, the terrain around Itaporã has only modest variations in elevation — a maximum elevation change of 82 m around an average of 355 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 185 m; within 80 km, significant variations in elevation — a maximum elevation change of 376 m.

The land around Itaporã is covered by cropland (57%) within 3 km, cropland (69%) within 16 km, and cropland (67%) within 80 km.

3 km
82 m
16 km
185 m
80 km
376 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Dourados 16 km · Rio Brilhante 40 km · Fátima do Sul 43 km · Caarapó 62 km · Maracaju 65 km · Nova Alvorada do Sul 80 km · Ponta Porã 109 km · Pedro Juan Caballero 111 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 Itaporã (-22.0789°, -54.7894°, elevation 350 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).