Prado weather in September

In September, Prado sees average daytime highs of 26°C and overnight lows near 21°C, with 51 mm of rain across 11.1 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 46% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Prado's 4th-clearest and 3rd-windiest month. For the whole year in context, see Prado's year-round climate.

Daytime high
26°
10th warmest
Overnight low
21°
4th coldest
Rainfall
51 mm
11.1 wet days
Daylight
11 h 54 min
5:34 AM – 5:28 PM
Cloud cover
48%
4th clearest
Wind
16 km/h
3rd windiest
Solar energy
4.91 kWh/m²
Travel score
6.7
out of 10

Prado 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 26°C through the month.

A typical September day in Prado reaches about 26°C in the afternoon and slips back to 21°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs on par with August and about 1°C cooler than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52521
62521
72521
82521
92621
102621
112621
122621
132621
142621
152621
162621
172621
182622
192622
202622
212622
222622
232622
242622
252622
262622
272622
282622
292622
302622

How September really feels in Prado

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.

Prado weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°721212.95.6
Feb29° / 24°5411.312.65.4
Mar29° / 24°11517.212.14.9
Apr28° / 24°9217.111.65.2
May27° / 22°8614.811.26.0
Jun26° / 21°6213.6116.4
Jul25° / 21°591511.16.4
Aug25° / 20°4711.611.46.8
Sep26° / 21°5111.111.96.7
Oct26° / 22°9813.212.46.2
Nov27° / 23°15615.212.85.6
Dec28° / 24°11013135.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 25% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27525
37624
47624
57525
67525
77525
87426
97525
107525
117525
127525
137426
147426
157327
167228
177129
187129
197030
206931
216733
226634
236535
246436
256337
266337
276238
286040
296040
305941

Chance of precipitation in September

Any precipitation

Prado gets around 51 mm of rain over 11.1 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 37% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
837
937
1037
1137
1237
1337
1437
1537
1637
1737
1837
1937
2037
2137
2237
2337
2437
2537
2637
2737
2837
2938
3038

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 78% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1523657
2523657
3523657
4523657
5523648
6523648
7523648
8523648
9522649
10522649
115216410
125206510
135206411
145196511
154196512
164186513
174176613
184176514
194166515
204156615
214146616
224146517
234136617
244136518
254126519
264126420
274126321
284116322
294116223
304116124

Wind in September

Winds average 16 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 5:47 AM to 5:22 AM, and sunset from 5:26 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:475:26
211.75:465:26
311.75:455:27
411.75:445:27
511.75:445:27
611.75:435:27
711.85:425:27
811.85:415:27
911.85:405:27
1011.85:395:28
1111.85:385:28
1211.85:385:28
1311.95:375:28
1411.95:365:28
1511.95:355:28
1611.95:345:28
1711.95:335:28
1811.95:325:29
1912.05:315:29
2012.05:315:29
2112.05:305:29
2212.05:295:29
2312.05:285:29
2412.05:275:29
2512.15:265:30
2612.15:255:30
2712.15:255:30
2812.15:245:30
2912.15:235:30
3012.15:225:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.91 kWh/m².

For context, solar energy here swings from a low near 3.6 kWh/m² to a high of 6.34 kWh/m² in January across the year — September's 4.91 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Prado?

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

6.7
Sightseeing
2nd-best month of the year
6.3
Beach & pool
3rd-best month of the year

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

What to pack for Prado in September

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

In September, Prado sees daytime highs around 26°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Prado in September

The nearest coast averages about 25°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 27°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar27Warm
Apr27Warm
May26Warm
Jun25Warm
Jul25Warm
Aug25Warm
Sep25Warm
Oct25Warm
Nov26Warm
Dec26Warm

UV index in Prado in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Prado peaks around February 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 14Jun 21UV 7
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul7Very high
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Prado?

Prado sits at 17.3°S, 39.2°W, 11 m above sea level, in Brazil. The nearest listed city is Alcobaça, 20 km away.

Topography around Prado

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

Within 3 km, the terrain around Prado has only modest variations in elevation — a maximum elevation change of 25 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 83 m; within 80 km, large variations in elevation — a maximum elevation change of 672 m.

The land around Prado is covered by water (44%) within 3 km, water (46%) and trees (32%) within 16 km, and water (39%), trees (31%) and grassland (28%) within 80 km.

3 km
25 m
16 km
83 m
80 km
672 m
treesshrubsgrasslandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Alcobaça 20 km · Itamaraju 47 km · Teixeira de Freitas 59 km · Nova Viçosa 63 km · Mucuri 90 km · Posto da Mata 91 km · Itabela 92 km · Porto Seguro 101 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 Prado (-17.3411°, -39.2208°, elevation 11 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).