Pirapozinho weather in September

In September, Pirapozinho sees average daytime highs of 30°C and overnight lows near 18°C, with 94 mm of rain across 8.2 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 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 Pirapozinho's 4th-clearest and 1st-windiest month. For the whole year in context, see Pirapozinho's year-round climate.

Daytime high
30°
7th warmest
Overnight low
18°
5th coldest
Rainfall
94 mm
8.2 wet days
Daylight
11 h 54 min
7:24 AM – 7:17 PM
Cloud cover
43%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.46 kWh/m²
Travel score
5.6
out of 10

Pirapozinho 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 30°C through the month.

A typical September day in Pirapozinho reaches about 30°C in the afternoon and slips back to 18°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 35°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53018
63018
73018
83018
93018
103018
113018
123018
133018
143018
153018
163018
173019
183019
193019
203019
213019
223019
233019
243019
253019
263019
273019
283019
293019
303019

How September really feels in Pirapozinho

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.

Pirapozinho 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°23221.713.23.4
Feb30° / 22°1831912.83.5
Mar30° / 21°14016.312.24.2
Apr29° / 20°71811.55.8
May26° / 17°777.510.97.2
Jun26° / 16°555.610.77.8
Jul26° / 15°35410.88.0
Aug28° / 17°38411.27.3
Sep30° / 18°948.211.95.6
Oct30° / 20°14213.112.54.5
Nov31° / 21°14713.813.14.2
Dec31° / 22°18518.913.33.7

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 12% of September, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27624
37426
47426
57327
67228
77030
86931
96931
106733
116733
126634
136535
146436
156436
166337
176337
186139
196139
206040
216040
225941
235842
245743
255545
265545
275446
285446
295248
305248

Chance of precipitation in September

Any precipitation

Pirapozinho gets around 94 mm of rain over 8.2 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 27% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
117
218
319
420
521
621
722
823
923
1024
1124
1225
1325
1425
1526
1626
1727
1828
1928
2029
2130
2231
2332
2432
2533
2634
2735
2835
2936
3036

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
146311850
245311850
345311960
444301970
543292070
642292180
742282280
841282390
939272490
10382724100
11372725110
12352726110
13342727120
14322827120
15312828130
16292928140
17282928140
18263028150
19253028160
20243128170
21223128180
22213128201
23203127211
24193027221
25183027241
26172926252
27172926272
28162826282
29162725302
30152625313

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 7:39 AM to 7:10 AM, and sunset from 7:12 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:397:12
211.67:387:12
311.67:377:13
411.67:367:13
511.67:357:13
611.77:347:14
711.77:337:14
811.77:327:14
911.77:317:15
1011.77:307:15
1111.87:297:15
1211.87:287:15
1311.87:277:16
1411.87:267:16
1511.97:257:16
1611.97:247:17
1711.97:237:17
1811.97:227:17
1911.97:217:17
2012.07:207:18
2112.07:197:18
2212.07:187:18
2312.07:177:19
2412.07:167:19
2512.17:157:19
2612.17:147:19
2712.17:137:20
2812.17:127:20
2912.27:117:20
3012.27:107:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.46 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 6.22 kWh/m² in November across the year — September's 5.46 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.7Bright
305.7Bright
Planning a trip in September

Hazard calendar for Pirapozinho

In seasonPeak

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

Pirapozinho'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 Pirapozinho?

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

5.6
Sightseeing
6th-best month of the year
7.5
Beach & pool
3rd-best month of the year

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

What to pack for Pirapozinho in September

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

In September, Pirapozinho sees daytime highs around 30°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Pirapozinho in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pirapozinho peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 20UV 15Jul 13UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr9Very high
May7Very high
Jun6High
Jul6High
Aug7Very high
Sep7High
Oct11Extreme
Nov12Extreme
Dec13Extreme

Air quality in Pirapozinho 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 Pirapozinho is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1620 µg/m³Dec 147 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun10Good
Jul10Good
Aug14Moderate
Sep20Moderate
Oct14Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Pirapozinho?

Pirapozinho sits at 22.3°S, 51.5°W, 491 m above sea level, in Brazil. The nearest listed city is Presidente Prudente, 20 km away.

Topography around Pirapozinho

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

Within 3 km, the terrain around Pirapozinho has only modest variations in elevation — a maximum elevation change of 99 m around an average of 451 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 215 m; within 80 km, significant variations in elevation — a maximum elevation change of 350 m.

The land around Pirapozinho is covered by grassland (52%) within 3 km, grassland (60%) and cropland (25%) within 16 km, and cropland (45%) and grassland (42%) within 80 km.

3 km
99 m
16 km
215 m
80 km
350 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Presidente Prudente 20 km · Regente Feijó 21 km · Álvares Machado 22 km · Santo Anastácio 37 km · Martinópolis 37 km · Mirante do Paranapanema 42 km · Presidente Venceslau 57 km · Rancharia 63 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 Pirapozinho (-22.2753°, -51.5°, elevation 491 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).