Itápolis weather in September

In September, Itápolis sees average daytime highs of 31°C and overnight lows near 19°C, with 60 mm of rain across 7 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 55% 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 Itápolis's 4th-clearest and 1st-windiest month. For the whole year in context, see Itápolis's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
19°
5th coldest
Rainfall
60 mm
7 wet days
Daylight
11 h 54 min
7:13 AM – 7:06 PM
Cloud cover
41%
4th clearest
Wind
11 km/h
1st windiest
Solar energy
5.64 kWh/m²
Travel score
5.3
out of 10

Itápolis 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 Itápolis reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 35°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)
13018
23018
33018
43018
53118
63118
73118
83118
93118
103118
113118
123118
133119
143119
153119
163119
173119
183119
193119
203119
213119
223019
233019
243019
253019
263019
273019
283019
293019
303119

How September really feels in Itápolis

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.

Itápolis 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° / 21°25622.713.23.5
Feb30° / 21°18619.412.73.6
Mar30° / 21°16418.512.24.1
Apr29° / 19°628.611.55.7
May27° / 17°475.5117.4
Jun26° / 16°273.310.78.0
Jul27° / 15°212.710.88.1
Aug29° / 17°23311.36.8
Sep31° / 19°60711.95.3
Oct31° / 20°10812.512.54.3
Nov30° / 20°16116.4134.0
Dec30° / 21°21321.413.33.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% 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 34%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17822
27723
37624
47624
57525
67426
77426
87327
97228
107228
117030
126931
136931
146832
156733
166634
176535
186535
196436
206337
216238
226139
236040
245842
255743
265842
275743
285644
295644
305545

Chance of precipitation in September

Any precipitation

Itápolis gets around 60 mm of rain over 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 23% and peaks near 34% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
114
214
315
415
516
617
717
818
918
1019
1120
1220
1321
1422
1522
1623
1724
1825
1926
2027
2127
2228
2329
2430
2531
2631
2732
2833
2933
3034

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 39% 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 (%)
158261420
257261520
355261630
455261630
554261730
653261830
751261940
850262040
949262140
1047272150
1145272250
1244282360
1342282360
1440292470
1539292470
1637302580
1736312580
1834312590
19333126100
20323126110
21303127120
22293127130
23273127140
24263127160
25253028170
26242928180
27232928200
28222829210
29212729221
30202729231

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 7:28 AM to 6:59 AM, and sunset from 7:02 PM to 7:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:287:02
211.67:277:02
311.67:267:02
411.67:257:03
511.67:247:03
611.77:237:03
711.77:227:04
811.77:217:04
911.77:207:04
1011.87:197:04
1111.87:187:05
1211.87:177:05
1311.87:167:05
1411.87:157:05
1511.97:147:06
1611.97:137:06
1711.97:127:06
1811.97:117:06
1911.97:107:07
2012.07:097:07
2112.07:087:07
2212.07:077:08
2312.07:067:08
2412.07:057:08
2512.17:047:08
2612.17:037:09
2712.17:027:09
2812.17:017:09
2912.27:007:10
3012.26:597:10

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.64 kWh/m².

For context, solar energy here swings from a low near 3.82 kWh/m² to a high of 6.03 kWh/m² in November across the year — September's 5.64 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
Planning a trip in September

Hazard calendar for Itápolis

In seasonPeak

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

Itápolis'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 Itápolis?

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

5.3
Sightseeing
6th-best month of the year
7.5
Beach & pool
4th-best month of the year

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

What to pack for Itápolis in September

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

In September, Itápolis sees daytime highs around 31°C and nights near 19°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Itápolis 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 Itápolis peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 20UV 15Jun 23UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Itápolis 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 Itápolis is worst in September — around 31 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1031 µg/m³Nov 239 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr11Good
May13Moderate
Jun14Moderate
Jul14Moderate
Aug29Moderate
Sep31Moderate
Oct17Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Itápolis?

Itápolis sits at 21.6°S, 48.8°W, 495 m above sea level, in Brazil. The nearest listed city is Ibitinga, 18 km away.

Topography around Itápolis

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

Within 3 km, the terrain around Itápolis has only modest variations in elevation — a maximum elevation change of 112 m around an average of 511 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 171 m; within 80 km, significant variations in elevation — a maximum elevation change of 393 m.

The land around Itápolis is covered by cropland (46%) and artificial surfaces (27%) within 3 km, cropland (74%) within 16 km, and cropland (67%) within 80 km.

3 km
112 m
16 km
171 m
80 km
393 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ibitinga 18 km · Taquaritinga 38 km · Itajobi 40 km · Novo Horizonte 45 km · Matão 46 km · Monte Alto 50 km · Catanduva 54 km · Bariri 54 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 Itápolis (-21.5956°, -48.8128°, elevation 495 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).