Itapemirim weather in September

In September, Itapemirim sees average daytime highs of 25°C and overnight lows near 20°C, with 53 mm of rain across 8.9 wet days and about 11.9 hours of daylight. It is the 9th-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 46% 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 Itapemirim's 5th-clearest and 1st-windiest month. For the whole year in context, see Itapemirim's year-round climate.

Daytime high
25°
9th warmest
Overnight low
20°
4th coldest
Rainfall
53 mm
8.9 wet days
Daylight
11 h 54 min
6:41 AM – 6:34 PM
Cloud cover
48%
5th clearest
Wind
17 km/h
1st windiest
Solar energy
5.13 kWh/m²
Travel score
7.2
out of 10

Itapemirim 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 Itapemirim reaches about 25°C in the afternoon and slips back to 20°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12520
22520
32520
42520
52520
62520
72520
82520
92520
102520
112520
122520
132520
142520
152520
162520
172520
182520
192520
202520
212520
222520
232520
242521
252521
262521
272521
282521
292521
302521

Itapemirim weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 24°929.813.15.9
Feb29° / 24°586.612.76.1
Mar28° / 24°10712.212.15.7
Apr27° / 23°8112.211.56.3
May26° / 21°6010.1117.0
Jun25° / 20°346.810.77.7
Jul24° / 19°407.810.97.8
Aug24° / 19°346.911.37.8
Sep25° / 20°538.911.97.2
Oct26° / 21°791012.56.7
Nov26° / 22°14814.2135.8
Dec27° / 23°15213.313.35.8

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 15% of September, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17228
27228
37228
47129
57129
67129
77030
87030
96832
106832
116733
126634
136436
146337
156238
166139
176040
185941
195842
205644
215545
225545
235347
245248
255248
265050
275050
284852
294951
304852

Chance of precipitation in September

Any precipitation

Itapemirim gets around 53 mm of rain over 8.9 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 29% 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 (%)
124
224
324
424
524
624
724
825
925
1026
1126
1227
1328
1428
1529
1629
1730
1831
1932
2032
2133
2234
2334
2434
2534
2634
2734
2834
2934
3034

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
111129581
211029582
311029582
411030572
511030572
611030572
71930582
81930573
91930573
101930573
111830583
121829593
131829584
141729594
151729594
161728595
171728595
181727596
191727596
201727596
211727587
221727578
231727578
241726579
2517265610
2617265511
2717255512
2817245513
2917245414
3017235415

Wind in September

Winds average 17 km/h in September, the windiest month of the year.

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
316light 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 6:56 AM to 6:28 AM, and sunset from 6:30 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:566:30
211.66:556:31
311.66:546:31
411.66:536:31
511.76:526:31
611.76:516:32
711.76:506:32
811.76:496:32
911.76:486:32
1011.86:476:33
1111.86:466:33
1211.86:456:33
1311.86:446:33
1411.86:436:34
1511.96:426:34
1611.96:416:34
1711.96:406:34
1811.96:396:35
1911.96:386:35
2012.06:376:35
2112.06:366:35
2212.06:356:36
2312.06:346:36
2412.06:336:36
2512.16:326:36
2612.16:316:37
2712.16:306:37
2812.16:296:37
2912.16:286:37
3012.26:286:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.13 kWh/m².

For context, solar energy here swings from a low near 3.64 kWh/m² to a high of 6.49 kWh/m² in February across the year — September's 5.13 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
Planning a trip in September

Hazard calendar for Itapemirim

In seasonPeak

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

Itapemirim'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 Itapemirim?

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
6.5
Beach & pool
7th-best month of the year

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

What to pack for Itapemirim in September

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

In September, Itapemirim sees daytime highs around 25°C and nights near 20°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Itapemirim 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 13 km away) is warmest in April at about 25°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°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar25Warm
Apr25Warm
May24Warm
Jun23Refreshing
Jul23Refreshing
Aug23Refreshing
Sep23Refreshing
Oct23Refreshing
Nov24Refreshing
Dec24Refreshing

UV index in Itapemirim 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 Itapemirim peaks around February 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 9UV 14Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Itapemirim?

Itapemirim sits at 21.0°S, 40.8°W, 9 m above sea level, in Brazil. The nearest listed city is Marataizes, 4.0 km away.

Topography around Itapemirim

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

Within 3 km, the terrain around Itapemirim has only modest variations in elevation — a maximum elevation change of 41 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 198 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,878 m.

The land around Itapemirim is covered by grassland (46%) within 3 km, water (44%) and grassland (34%) within 16 km, and grassland (37%), water (31%) and trees (29%) within 80 km.

3 km
41 m
16 km
198 m
80 km
1,878 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Marataizes 4.0 km · Piúma 23 km · Anchieta 30 km · Cachoeiro de Itapemirim 34 km · São Francisco de Itabapoana 35 km · Vargem Alta 42 km · Guarapari 51 km · Mimoso do Sul 56 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 Itapemirim (-21.0111°, -40.8339°, elevation 9 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).