Penápolis weather in September

In September, Penápolis sees average daytime highs of 31°C and overnight lows near 18°C, with 60 mm of rain across 7.1 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Penápolis's 4th-clearest and 1st-windiest month. For the whole year in context, see Penápolis's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
18°
5th coldest
Rainfall
60 mm
7.1 wet days
Daylight
11 h 54 min
7:18 AM – 7:11 PM
Cloud cover
41%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.65 kWh/m²
Travel score
5.1
out of 10

Penápolis 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 31°C through the month.

A typical September day in Penápolis reaches about 31°C in the afternoon and slips back to 18°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 36°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°20°30°40°151015202530
Avg high (°C)Avg low (°C)
13117
23118
33118
43118
53118
63118
73118
83118
93118
103118
113118
123118
133118
143119
153119
163119
173119
183119
193119
203119
213119
223119
233119
243119
253119
263119
273119
283119
293119
303119

How September really feels in Penápolis

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.

Penápolis weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°25922.413.23.4
Feb31° / 22°19018.612.73.5
Mar30° / 22°14717.612.24.0
Apr30° / 20°637.711.55.6
May27° / 17°525.6117.3
Jun27° / 16°323.610.77.9
Jul27° / 15°21310.87.9
Aug30° / 16°243.111.36.5
Sep31° / 18°607.111.95.1
Oct31° / 20°11312.112.54.1
Nov31° / 21°15615.4133.9
Dec31° / 22°20620.313.33.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% 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 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27624
37525
47525
57327
67327
77228
87030
97030
106931
116832
126733
136733
146733
156634
166535
176535
186436
196436
206337
216238
226139
236040
246040
255941
265842
275842
285743
295644
305644

Chance of precipitation in September

Any precipitation

Penápolis gets around 60 mm of rain over 7.1 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 24% and peaks near 33% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
116
217
317
418
518
619
719
820
920
1020
1121
1221
1321
1422
1522
1623
1723
1824
1924
2025
2126
2227
2328
2429
2530
2630
2731
2832
2932
3033

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
156251450
254251560
353251660
453241670
551241780
650241880
749241880
847241990
946252090
10442521100
11422621100
12412622110
13392723110
14372823120
15352924120
16332924130
17323024130
18303124140
19283225150
20273225161
21253225171
22243225181
23233226191
24213126211
25203126221
26193027231
27182927241
28182827252
29172728262
30162728272

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 36 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 36 minutes over September. Sunrise moves from 7:33 AM to 7:04 AM, and sunset from 7:07 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:337:07
211.67:327:07
311.67:317:08
411.67:307:08
511.67:297:08
611.77:287:08
711.77:277:09
811.77:267:09
911.77:257:09
1011.87:247:09
1111.87:237:10
1211.87:227:10
1311.87:217:10
1411.87:207:10
1511.97:197:11
1611.97:187:11
1711.97:177:11
1811.97:167:12
1911.97:157:12
2012.07:147:12
2112.07:137:12
2212.07:127:13
2312.07:117:13
2412.07:107:13
2512.17:097:13
2612.17:087:14
2712.17:077:14
2812.17:067:14
2912.27:057:15
3012.27:047:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.65 kWh/m².

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 6.17 kWh/m² in November across the year — September's 5.65 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.9Bright
Planning a trip in September

Hazard calendar for Penápolis

In seasonPeak

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

Penápolis's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Penápolis?

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

5.1
Sightseeing
6th-best month of the year
7.3
Beach & pool
6th-best month of the year

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

What to pack for Penápolis in September

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

In September, Penápolis sees daytime highs around 31°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Penápolis in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Penápolis peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 21UV 15Jul 10UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Nov 227 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar8Good
Apr9Good
May10Good
Jun9Good
Jul9Good
Aug13Moderate
Sep20Moderate
Oct13Moderate
Nov7Good
Dec8Good
Location & terrain

Where is Penápolis?

Penápolis sits at 21.4°S, 50.1°W, 414 m above sea level, in Brazil. The nearest listed city is Promissão, 26 km away.

Topography around Penápolis

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

Within 3 km, the terrain around Penápolis has only modest variations in elevation — a maximum elevation change of 66 m around an average of 417 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, significant variations in elevation — a maximum elevation change of 320 m.

The land around Penápolis is covered by artificial surfaces (44%) and grassland (23%) within 3 km, cropland (67%) within 16 km, and cropland (58%) and grassland (22%) within 80 km.

3 km
66 m
16 km
162 m
80 km
320 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Promissão 26 km · Birigui 31 km · Buritama 40 km · Araçatuba 44 km · Lins 45 km · Guararapes 61 km · Cafelândia 64 km · Tupã 73 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 Penápolis (-21.4197°, -50.0775°, elevation 414 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).