Arapoti weather in September

In September, Arapoti sees average daytime highs of 23°C and overnight lows near 13°C, with 122 mm of rain across 9.7 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 23°C through the month. The sky is clear or mostly clear about 40% of the time in September, and the air most often feels dry.

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 Arapoti's 4th-clearest and 3rd-windiest month. For the whole year in context, see Arapoti's year-round climate.

Daytime high
23°
8th warmest
Overnight low
13°
5th coldest
Rainfall
122 mm
9.7 wet days
Daylight
11 h 54 min
7:18 AM – 7:09 PM
Cloud cover
55%
4th clearest
Wind
11 km/h
3rd windiest
Solar energy
4.87 kWh/m²
Travel score
7.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical September day in Arapoti reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12312
22312
32312
42312
52313
62313
72313
82313
92313
102313
112313
122313
132313
142313
152313
162313
172313
182313
192313
202313
212313
222313
232313
242313
252313
262313
272313
282313
292313
302314

Arapoti 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
Jan27° / 18°24323.413.34.5
Feb26° / 18°17020.312.84.7
Mar26° / 17°12516.912.25.6
Apr24° / 15°658.711.57.1
May21° / 12°888.410.86.8
Jun20° / 11°877.310.56.8
Jul20° / 10°696.110.77.1
Aug22° / 11°616.511.27.5
Sep23° / 13°1229.711.97.0
Oct24° / 15°12914.212.66.1
Nov25° / 16°13315.213.25.8
Dec26° / 17°17619.513.55.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 49%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26436
36337
46238
56139
65941
75743
85644
95545
105446
115446
125248
135248
145149
155149
165050
175050
184951
194852
204852
214654
224555
234456
244456
254258
264159
274159
284060
293961
303862

Chance of precipitation in September

Any precipitation

Arapoti gets around 122 mm of rain over 9.7 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 32% 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 (%)
123
223
324
424
525
626
726
827
927
1028
1128
1229
1330
1430
1531
1632
1733
1834
1934
2035
2136
2237
2338
2439
2539
2640
2741
2841
2942
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 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1672940
2653050
3643150
4633250
5623260
6613360
7603460
8583570
9573670
10563680
11553780
12543790
13533890
145238100
155238100
165138110
175138110
184938120
194938130
204838140
214837150
224737160
234637170
244536180
254436200
264335210
274235230
284135240
293934261
303834271

Wind in September

Winds average 11 km/h in September.

Across September, daily wind ranges from about 10 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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
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 7:34 AM to 7:03 AM, and sunset from 7:04 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:347:04
211.57:337:05
311.67:327:05
411.67:317:05
511.67:307:06
611.67:297:06
711.67:287:06
811.77:267:07
911.77:257:07
1011.77:247:07
1111.77:237:08
1211.87:227:08
1311.87:217:08
1411.87:207:09
1511.87:197:09
1611.97:187:09
1711.97:177:10
1811.97:167:10
1911.97:157:11
2012.07:137:11
2112.07:127:11
2212.07:117:12
2312.07:107:12
2412.17:097:12
2512.17:087:13
2612.17:077:13
2712.17:067:13
2812.27:057:14
2912.27:047:14
3012.27:037:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.87 kWh/m².

For context, solar energy here swings from a low near 3.2 kWh/m² to a high of 5.83 kWh/m² in December across the year — September's 4.87 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
295.0Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Arapoti?

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

7.0
Sightseeing
4th-best month of the year
5.5
Beach & pool
2nd-best month of the year

September is one of the better times to visit Arapoti for general sightseeing.

What to pack for Arapoti in September

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

In September, Arapoti sees daytime highs around 23°C and nights near 13°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Arapoti in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arapoti peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighHighExtremeJan 21UV 15Jul 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep6High
Oct11Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Arapoti?

Arapoti sits at 24.2°S, 49.8°W, 860 m above sea level, in Brazil. The nearest listed city is Jaguariaíva, 15 km away.

Topography around Arapoti

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

Within 3 km, the terrain around Arapoti has only modest variations in elevation — a maximum elevation change of 176 m around an average of 863 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 652 m; within 80 km, large variations in elevation — a maximum elevation change of 935 m.

The land around Arapoti is covered by cropland (64%) within 3 km, cropland (45%) and trees (39%) within 16 km, and trees (49%), cropland (27%) and grassland (22%) within 80 km.

3 km
176 m
16 km
652 m
80 km
935 m
treesgrasslandcroplandartificial surfaces
September weather nearby: Jaguariaíva 15 km · Wenceslau Braz 32 km · Sengés 37 km · Piraí do Sul 43 km · Ibaiti 50 km · Itararé 50 km · Siqueira Campos 52 km · Tibagi 71 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 Arapoti (-24.1578°, -49.8267°, elevation 860 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).