Guarapari weather in September

In September, Guarapari sees average daytime highs of 25°C and overnight lows near 21°C, with 57 mm of rain across 9.1 wet days and about 11.9 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 45% of the time in September, and the air most often feels muggy.

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 Guarapari's 5th-clearest and 2nd-windiest month. For the whole year in context, see Guarapari's year-round climate.

Daytime high
25°
10th warmest
Overnight low
21°
4th coldest
Rainfall
57 mm
9.1 wet days
Daylight
11 h 54 min
6:40 AM – 6:33 PM
Cloud cover
49%
5th clearest
Wind
17 km/h
2nd windiest
Solar energy
5.23 kWh/m²
Travel score
7.2
out of 10

Guarapari 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 25°C through the month.

A typical September day in Guarapari reaches about 25°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 22°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)
12420
22420
32420
42420
52421
62421
72421
82421
92421
102521
112521
122521
132521
142521
152521
162521
172521
182521
192521
202521
212521
222521
232521
242521
252521
262521
272521
282521
292521
302521

How September really feels in Guarapari

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.

Guarapari weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°1059.913.16.1
Feb28° / 24°688.212.76.0
Mar28° / 24°13313.612.15.6
Apr27° / 23°9313.611.56.1
May26° / 22°6411.3116.8
Jun25° / 21°377.710.87.6
Jul24° / 20°418.610.97.7
Aug24° / 20°397.811.37.7
Sep25° / 21°579.111.97.2
Oct25° / 22°9210.612.56.7
Nov26° / 23°17313.9135.8
Dec27° / 24°16814.113.25.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57030
67030
76931
86931
96733
106634
116535
126535
136337
146139
156040
165941
175842
185743
195545
205446
215347
225347
235149
245050
255050
265050
274951
284852
294753
304753

Chance of precipitation in September

Any precipitation

Guarapari gets around 57 mm of rain over 9.1 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 30% and peaks near 35% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
225
325
425
525
626
726
826
927
1027
1128
1229
1329
1430
1530
1631
1732
1832
1933
2033
2134
2234
2334
2435
2535
2635
2735
2835
2935
3035

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1722683
2722673
3723664
4723664
5723664
6723655
7723655
8723655
9722665
10722665
11622666
12622666
13622657
14622657
15521668
16521668
17521659
18521659
195216410
205216311
216216211
226226012
236225814
246225715
256215716
266215617
276215518
286215320
296205321
306205222

Wind in September

Winds average 17 km/h in September.

Across September, daily wind ranges from about 16 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
116light breeze
216light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light 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 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 6:54 AM to 6:26 AM, and sunset from 6:29 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:546:29
211.66:536:30
311.66:526:30
411.66:516:30
511.76:506:30
611.76:506:30
711.76:496:31
811.76:486:31
911.76:476:31
1011.86:466:31
1111.86:456:32
1211.86:446:32
1311.86:436:32
1411.86:426:32
1511.96:416:33
1611.96:406:33
1711.96:396:33
1811.96:386:33
1911.96:376:34
2012.06:366:34
2112.06:356:34
2212.06:346:34
2312.06:336:35
2412.06:326:35
2512.16:316:35
2612.16:306:35
2712.16:296:36
2812.16:286:36
2912.16:276:36
3012.26:266:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.23 kWh/m².

For context, solar energy here swings from a low near 3.7 kWh/m² to a high of 6.61 kWh/m² in January across the year — September's 5.23 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Guarapari

In seasonPeak

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

Guarapari's rainy season runs October–January, 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 Guarapari?

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

7.2
Sightseeing
4th-best month of the year
6.3
Beach & pool
7th-best month of the year

September is one of the better times to visit Guarapari for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Guarapari in September

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

In September, Guarapari sees daytime highs around 25°C and nights near 21°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Guarapari in September

The nearest coast averages about 23°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 14 km away) is warmest in March at about 26°C and coldest in August near 23°C.

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

22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb26Warm
Mar26Warm
Apr26Warm
May25Warm
Jun24Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Warm
Dec25Warm

UV index in Guarapari 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 Guarapari peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 highExtremeFeb 10UV 14Jun 19UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Guarapari?

Guarapari sits at 20.7°S, 40.5°W, 5 m above sea level, in Brazil. The nearest listed city is Anchieta, 21 km away.

Topography around Guarapari

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

Within 3 km, the terrain around Guarapari has only modest variations in elevation — a maximum elevation change of 67 m around an average of 7 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 788 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,980 m.

The land around Guarapari is covered by water (48%) and artificial surfaces (23%) within 3 km, water (45%) and trees (33%) within 16 km, and trees (37%), water (36%) and grassland (24%) within 80 km.

3 km
67 m
16 km
788 m
80 km
1,980 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Anchieta 21 km · Piúma 29 km · Viana 31 km · Marechal Floriano 34 km · Domingos Martins 38 km · Vitória 43 km · Vila Velha 44 km · Cariacica 46 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 Guarapari (-20.6718°, -40.502°, elevation 5 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).