Cachoeiro de Itapemirim weather in September

In September, Cachoeiro de Itapemirim sees average daytime highs of 26°C and overnight lows near 17°C, with 76 mm of rain across 10.2 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 8th-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 38% of the time in September, and the air most often feels humid.

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 Cachoeiro de Itapemirim's 5th-clearest and 1st-windiest month. For the whole year in context, see Cachoeiro de Itapemirim's year-round climate.

Daytime high
26°
8th warmest
Overnight low
17°
5th coldest
Rainfall
76 mm
10.2 wet days
Daylight
11 h 54 min
6:42 AM – 6:35 PM
Cloud cover
54%
5th clearest
Wind
8 km/h
1st windiest
Solar energy
4.9 kWh/m²
Travel score
6.7
out of 10

Cachoeiro de Itapemirim is 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 Cachoeiro de Itapemirim reaches about 26°C in the afternoon and slips back to 17°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12616
22616
32616
42617
52617
62617
72617
82617
92617
102617
112617
122617
132617
142617
152617
162617
172617
182617
192617
202618
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618

How September really feels in Cachoeiro de Itapemirim

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.

Cachoeiro de Itapemirim weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°14313.313.14.4
Feb31° / 22°1071112.74.4
Mar30° / 21°16616.712.14.4
Apr28° / 19°10914.811.55.6
May26° / 17°6010.3116.7
Jun25° / 16°377.210.87.4
Jul25° / 15°438.210.97.4
Aug25° / 16°40811.37.3
Sep26° / 17°7610.211.96.7
Oct27° / 19°11812.612.56.0
Nov27° / 20°20117.8135.0
Dec29° / 21°22518.813.24.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56535
66535
76436
86436
96238
106139
116040
125941
135743
145644
155545
165446
175248
185149
194951
204951
214852
224654
234555
244456
254357
264258
274159
284159
294060
303961

Chance of precipitation in September

Any precipitation

Cachoeiro de Itapemirim gets around 76 mm of rain over 10.2 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 34% and peaks near 40% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
127
228
328
428
528
629
729
830
930
1031
1132
1232
1332
1433
1533
1633
1734
1834
1935
2036
2136
2237
2338
2438
2538
2639
2739
2840
2940
3040

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
122959100
222959100
312959110
412959110
512958120
612858130
712857140
812757150
912657160
1012557170
1112457180
1212357190
1312257200
1412157210
1512057220
1611957230
1711956240
1811856250
1911855260
2011755270
2121754270
2221653281
2321652291
2421551311
2521550321
2621549331
2721448341
2821447352
2921447362
3021446372

Wind in September

Winds average 8 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 6:57 AM to 6:29 AM, and sunset from 6:32 PM to 6:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:576:32
211.66:566:32
311.66:556:32
411.66:546:32
511.76:536:33
611.76:526:33
711.76:516:33
811.76:506:33
911.76:496:34
1011.86:486:34
1111.86:476:34
1211.86:466:34
1311.86:456:35
1411.86:446:35
1511.96:436:35
1611.96:426:35
1711.96:416:35
1811.96:406:36
1911.96:396:36
2012.06:386:36
2112.06:376:36
2212.06:366:37
2312.06:356:37
2412.06:346:37
2512.16:336:37
2612.16:336:38
2712.16:326:38
2812.16:316:38
2912.16:306:39
3012.26:296:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.9 kWh/m².

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 6.1 kWh/m² in February across the year — September's 4.9 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
305.0Bright
Planning a trip in September

Hazard calendar for Cachoeiro de Itapemirim

In seasonPeak

None of Cachoeiro de 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.

Cachoeiro de Itapemirim's rainy season runs October–April, 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 Cachoeiro de Itapemirim?

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

6.7
Sightseeing
4th-best month of the year
6.5
Beach & pool
4th-best month of the year

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

What to pack for Cachoeiro de Itapemirim in September

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

In September, Cachoeiro de Itapemirim sees daytime highs around 26°C and nights near 17°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Cachoeiro de 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 39 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 Cachoeiro de 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 Cachoeiro de Itapemirim peaks around February 11 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 11UV 14Jun 20UV 6
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun6High
Jul7High
Aug9Very high
Sep10Very high
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Cachoeiro de Itapemirim?

Cachoeiro de Itapemirim sits at 20.8°S, 41.1°W, 39 m above sea level, in Brazil. The nearest listed city is Vargem Alta, 23 km away.

Topography around Cachoeiro de Itapemirim

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

Within 3 km, the terrain around Cachoeiro de Itapemirim has significant variations in elevation — a maximum elevation change of 436 m around an average of 90 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 846 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,175 m.

The land around Cachoeiro de Itapemirim is covered by grassland (33%), trees (32%) and artificial surfaces (32%) within 3 km, grassland (58%) and trees (37%) within 16 km, and grassland (43%) and trees (37%) within 80 km.

3 km
436 m
16 km
846 m
80 km
2,175 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Vargem Alta 23 km · Castelo 28 km · Itapemirim 34 km · Mimoso do Sul 36 km · Marataizes 37 km · Piúma 41 km · Alegre 45 km · Anchieta 49 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 Cachoeiro de Itapemirim (-20.8489°, -41.1128°, elevation 39 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).