Mandaguaçu weather in September

In September, Mandaguaçu sees average daytime highs of 28°C and overnight lows near 17°C, with 111 mm of rain across 8.8 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 50% 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 Mandaguaçu's 3rd-clearest and 1st-windiest month. For the whole year in context, see Mandaguaçu's year-round climate.

Daytime high
28°
8th warmest
Overnight low
17°
5th coldest
Rainfall
111 mm
8.8 wet days
Daylight
11 h 54 min
7:27 AM – 7:19 PM
Cloud cover
45%
3rd clearest
Wind
11 km/h
1st windiest
Solar energy
5.27 kWh/m²
Travel score
6.4
out of 10

Mandaguaçu 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 28°C through the month.

A typical September day in Mandaguaçu reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62816
72817
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302818

How September really feels in Mandaguaçu

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.

Mandaguaçu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°22020.613.33.8
Feb30° / 21°17617.912.83.9
Mar30° / 20°1231512.24.6
Apr28° / 18°858.311.56.3
May25° / 15°1007.810.97.4
Jun24° / 14°897.110.67.7
Jul24° / 14°645.810.78.0
Aug26° / 15°625.711.27.7
Sep28° / 17°1118.811.96.4
Oct29° / 19°15513.112.55.0
Nov30° / 19°15213.613.14.7
Dec30° / 21°18017.313.44.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27129
37030
46931
56931
66832
76733
86535
96535
106436
116436
126337
136337
146238
156238
166238
176238
186139
196040
206040
215941
225842
235644
245545
255446
265347
275248
285248
295248
305149

Chance of precipitation in September

Any precipitation

Mandaguaçu gets around 111 mm of rain over 8.8 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
322
423
523
624
724
825
925
1026
1126
1226
1327
1427
1528
1628
1729
1830
1930
2031
2132
2233
2334
2435
2536
2637
2738
2838
2939
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 31% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
142361930
241362030
340362040
440352140
539352250
638342350
738332360
837332460
936322560
1035322670
1134312770
1233312870
1332312980
1431313080
1530313090
1630313190
1729303190
18283032100
19273032110
20263032120
21252932130
22252932140
23242932150
24232832160
25222832180
26212832190
27202732211
28192632221
29182632231
30182532251

Wind in September

Winds average 11 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 11 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
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 7:42 AM to 7:12 AM, and sunset from 7:14 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:427:14
211.57:417:14
311.67:407:15
411.67:397:15
511.67:387:15
611.67:377:15
711.77:367:16
811.77:357:16
911.77:347:16
1011.77:337:17
1111.87:327:17
1211.87:317:17
1311.87:307:18
1411.87:297:18
1511.87:287:18
1611.97:277:19
1711.97:267:19
1811.97:257:19
1911.97:247:20
2012.07:227:20
2112.07:217:20
2212.07:207:21
2312.07:197:21
2412.17:187:21
2512.17:177:22
2612.17:167:22
2712.17:157:22
2812.17:147:23
2912.27:137:23
3012.27:127:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.27 kWh/m².

For context, solar energy here swings from a low near 3.37 kWh/m² to a high of 6.19 kWh/m² in November across the year — September's 5.27 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Mandaguaçu?

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

6.4
Sightseeing
5th-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Mandaguaçu in September

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

In September, Mandaguaçu sees daytime highs around 28°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 Mandaguaçu in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mandaguaçu peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 20UV 15Sep 13UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7High
Sep5Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Mandaguaçu 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 Mandaguaçu is worst in September — around 23 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1422 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr11Good
May13Moderate
Jun12Moderate
Jul14Moderate
Aug18Moderate
Sep23Moderate
Oct15Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Mandaguaçu?

Mandaguaçu sits at 23.3°S, 52.1°W, 580 m above sea level, in Brazil. The nearest listed city is Paiçandu, 13 km away.

Topography around Mandaguaçu

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

Within 3 km, the terrain around Mandaguaçu has only modest variations in elevation — a maximum elevation change of 135 m around an average of 548 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 286 m; within 80 km, large variations in elevation — a maximum elevation change of 627 m.

The land around Mandaguaçu is covered by cropland (36%), trees (22%) and grassland (22%) within 3 km, cropland (71%) within 16 km, and cropland (66%) within 80 km.

3 km
135 m
16 km
286 m
80 km
627 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Paiçandu 13 km · Maringá 18 km · Nova Esperança 21 km · Sarandi 25 km · Marialva 35 km · Astorga 46 km · Mandaguari 46 km · Paranavaí 49 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 Mandaguaçu (-23.3472°, -52.0953°, elevation 580 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).