Cianorte weather in September

In September, Cianorte sees average daytime highs of 28°C and overnight lows near 16°C, with 135 mm of rain across 8.9 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 6th-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 48% of the time in September, and the air most often feels humid.

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 Cianorte's 3rd-clearest and 1st-windiest month. For the whole year in context, see Cianorte's year-round climate.

Daytime high
28°
8th warmest
Overnight low
16°
5th coldest
Rainfall
135 mm
8.9 wet days
Daylight
11 h 54 min
7:29 AM – 7:21 PM
Cloud cover
47%
3rd clearest
Wind
10 km/h
1st windiest
Solar energy
5.15 kWh/m²
Travel score
6.7
out of 10

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 Cianorte reaches about 28°C in the afternoon and slips back to 16°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°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)
12715
22716
32816
42816
52816
62816
72816
82816
92816
102816
112816
122816
132816
142816
152816
162816
172816
182816
192817
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302817

How September really feels in Cianorte

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.

Cianorte 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° / 21°20520.213.33.9
Feb30° / 21°17717.812.84.0
Mar29° / 20°12714.112.24.8
Apr28° / 18°958.311.56.5
May24° / 15°1258.910.97.2
Jun23° / 14°1147.810.67.4
Jul23° / 13°816.510.77.8
Aug26° / 14°806.311.27.7
Sep28° / 16°1358.911.96.7
Oct29° / 18°18413.312.65.2
Nov29° / 19°16113.413.14.8
Dec30° / 20°18816.813.44.3

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 11% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16931
26832
36733
46634
56535
66535
76436
86238
96238
106139
116139
126139
136040
146040
156040
166040
176040
185941
195842
205743
215743
225644
235545
245446
255347
265248
275248
285050
295050
304951

Chance of precipitation in September

Any precipitation

Cianorte gets around 135 mm of rain over 8.9 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 30% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
122
222
323
423
524
624
724
825
925
1025
1126
1226
1326
1427
1527
1628
1729
1829
1930
2031
2132
2233
2335
2436
2537
2638
2739
2839
2940
3040

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
135372430
235372540
334362640
433362740
533352840
632352850
732342950
831343050
930333060
1030333160
1129333260
1228333270
1327333370
1427333370
1526323480
1626323480
1725323490
18253234100
19243134100
20243134110
21233034120
22233034130
23222935140
24212935160
25202835170
26192835180
27182735190
28182635200
29172635211
30172535231

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 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 7:45 AM to 7:14 AM, and sunset from 7:16 PM to 7:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:457:16
211.57:447:16
311.67:437:16
411.67:427:17
511.67:417:17
611.67:397:17
711.77:387:18
811.77:377:18
911.77:367:18
1011.77:357:19
1111.77:347:19
1211.87:337:19
1311.87:327:20
1411.87:317:20
1511.87:307:20
1611.97:297:21
1711.97:287:21
1811.97:277:21
1911.97:267:22
2012.07:247:22
2112.07:237:22
2212.07:227:23
2312.07:217:23
2412.17:207:23
2512.17:197:24
2612.17:187:24
2712.17:177:24
2812.17:167:25
2912.27:157:25
3012.27:147:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.15 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 6.16 kWh/m² in December across the year — September's 5.15 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
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
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 Cianorte?

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

6.7
Sightseeing
5th-best month of the year
7.1
Beach & pool
2nd-best month of the year

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

What to pack for Cianorte in September

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

In September, Cianorte sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Cianorte in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cianorte peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateExtremeJan 19UV 15Sep 13UV 4
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7High
Sep4Moderate
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Cianorte 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 Cianorte is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Mar 127 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb7Good
Mar7Good
Apr8Good
May9Good
Jun9Good
Jul10Good
Aug13Moderate
Sep20Moderate
Oct12Moderate
Nov8Good
Dec8Good
Location & terrain

Where is Cianorte?

Cianorte sits at 23.7°S, 52.6°W, 529 m above sea level, in Brazil. The nearest listed city is Terra Boa, 20 km away.

Topography around Cianorte

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

Within 3 km, the terrain around Cianorte has only modest variations in elevation — a maximum elevation change of 110 m around an average of 512 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 311 m; within 80 km, significant variations in elevation — a maximum elevation change of 587 m.

The land around Cianorte is covered by trees (37%) and artificial surfaces (37%) within 3 km, cropland (61%) and trees (21%) within 16 km, and cropland (67%) within 80 km.

3 km
110 m
16 km
311 m
80 km
587 m
treesgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Terra Boa 20 km · Tapejara 28 km · Campo Mourão 48 km · Cruzeiro do Oeste 50 km · Paiçandu 61 km · Mandaguaçu 63 km · Paranavaí 67 km · Nova Esperança 67 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 Cianorte (-23.6633°, -52.605°, elevation 529 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).