Rolândia weather in September

In September, Rolândia sees average daytime highs of 27°C and overnight lows near 16°C, with 119 mm of rain across 9 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 27°C through the month. The sky is clear or mostly clear about 49% 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 Rolândia's 4th-clearest and 1st-windiest month. For the whole year in context, see Rolândia's year-round climate.

Daytime high
27°
8th warmest
Overnight low
16°
5th coldest
Rainfall
119 mm
9 wet days
Daylight
11 h 54 min
7:24 AM – 7:16 PM
Cloud cover
46%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
5.25 kWh/m²
Travel score
6.8
out of 10

Rolândia 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 27°C through the month.

A typical September day in Rolândia reaches about 27°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 33°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
22715
32715
42715
52715
62715
72715
82716
92716
102716
112716
122716
132716
142716
152716
162716
172716
182716
192716
202716
212716
222716
232716
242716
252716
262716
272716
282716
292716
302717

Rolândia 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
Jan29° / 20°26821.413.34.0
Feb29° / 20°20419.212.84.0
Mar29° / 20°13615.612.24.8
Apr28° / 18°858.611.56.5
May24° / 15°988.210.97.3
Jun23° / 13°907.210.67.5
Jul23° / 13°625.610.77.9
Aug26° / 14°625.511.27.9
Sep27° / 16°119911.96.8
Oct28° / 18°16113.512.55.4
Nov29° / 19°16914.313.14.9
Dec29° / 20°20818.413.44.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27228
37129
47030
56931
66832
76733
86634
96634
106436
116436
126436
136337
146238
156238
166238
176139
186139
196139
205941
215941
225842
235743
245743
255644
265545
275446
285248
295248
305149

Chance of precipitation in September

Any precipitation

Rolândia gets around 119 mm of rain over 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 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
524
625
726
826
927
1027
1128
1228
1329
1429
1529
1630
1730
1831
1931
2032
2132
2233
2334
2435
2536
2637
2737
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 34% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14239173
24138183
34038193
44037194
53937204
63936214
73835225
83735235
93735236
103634246
113534256
123434257
133235267
143135277
153035287
163035288
172934298
182834298
192734309
202634309
2126333110
2225333111
2324323212
2423323213
2522313215
2622303216
2721293217
2820293219
2920283220
3019273221

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 7:39 AM to 7:09 AM, and sunset from 7:11 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:397:11
211.57:387:11
311.67:377:12
411.67:367:12
511.67:357:12
611.67:347:13
711.77:337:13
811.77:327:13
911.77:317:14
1011.77:307:14
1111.87:297:14
1211.87:287:15
1311.87:277:15
1411.87:267:15
1511.87:257:15
1611.97:247:16
1711.97:237:16
1811.97:227:16
1911.97:217:17
2012.07:207:17
2112.07:187:17
2212.07:177:18
2312.07:167:18
2412.17:157:18
2512.17:147:19
2612.17:137:19
2712.17:127:19
2812.17:117:20
2912.27:107:20
3012.27:097:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.25 kWh/m².

For context, solar energy here swings from a low near 3.39 kWh/m² to a high of 6.11 kWh/m² in November across the year — September's 5.25 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
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Rolândia

In seasonPeak

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

Rolândia'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 Rolândia?

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

6.8
Sightseeing
5th-best month of the year
7.0
Beach & pool
3rd-best month of the year

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

What to pack for Rolândia in September

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

In September, Rolândia sees daytime highs around 27°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 Rolândia 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 Rolândia peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 21UV 15Jul 13UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep5High
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Rolândia 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 Rolândia is worst in September — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Nov 228 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr10Good
May11Good
Jun11Good
Jul12Good
Aug14Moderate
Sep21Moderate
Oct14Moderate
Nov8Good
Dec9Good
Location & terrain

Where is Rolândia?

Rolândia sits at 23.3°S, 51.4°W, 736 m above sea level, in Brazil. The nearest listed city is Cambé, 10 km away.

Topography around Rolândia

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

Within 3 km, the terrain around Rolândia has only modest variations in elevation — a maximum elevation change of 142 m around an average of 708 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 346 m; within 80 km, large variations in elevation — a maximum elevation change of 1,014 m.

The land around Rolândia is covered by artificial surfaces (36%), cropland (31%) and trees (25%) within 3 km, cropland (67%) within 16 km, and cropland (62%) and trees (20%) within 80 km.

3 km
142 m
16 km
346 m
80 km
1,014 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Cambé 10 km · Arapongas 13 km · Londrina 21 km · Jaguapitã 27 km · Apucarana 28 km · Astorga 31 km · Ibiporã 33 km · Mandaguari 40 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 Rolândia (-23.3097°, -51.3692°, elevation 736 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).