Mimoso do Sul weather in September

In September, Mimoso do Sul sees average daytime highs of 27°C and overnight lows near 17°C, with 71 mm of rain across 10 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 27°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 Mimoso do Sul's 5th-clearest and 1st-windiest month. For the whole year in context, see Mimoso do Sul's year-round climate.

Daytime high
27°
8th warmest
Overnight low
17°
4th coldest
Rainfall
71 mm
10 wet days
Daylight
11 h 54 min
6:43 AM – 6:36 PM
Cloud cover
55%
5th clearest
Wind
8 km/h
1st windiest
Solar energy
4.9 kWh/m²
Travel score
6.5
out of 10

Mimoso do Sul 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 27°C through the month.

A typical September day in Mimoso do Sul reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102716
112717
122717
132717
142717
152717
162717
172717
182717
192717
202717
212717
222717
232717
242717
252718
262718
272718
282718
292718
302718

How September really feels in Mimoso do Sul

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.

Mimoso do Sul 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
Jan31° / 21°16514.813.14.0
Feb31° / 21°12511.812.74.1
Mar30° / 21°17717.712.14.0
Apr29° / 19°1041511.55.1
May27° / 17°6110.1116.6
Jun26° / 16°326.510.77.4
Jul26° / 15°317.110.87.5
Aug26° / 15°316.911.37.3
Sep27° / 17°711011.96.5
Oct28° / 19°11412.812.55.7
Nov28° / 20°21818.6134.7
Dec29° / 21°24820.313.33.9

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 14% of September, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36535
46436
56436
66436
76337
86238
96040
106040
115842
125743
135545
145446
155248
165149
174951
184852
194753
204654
214555
224357
234258
244258
254060
264060
273961
283961
293862
303862

Chance of precipitation in September

Any precipitation

Mimoso do Sul gets around 71 mm of rain over 10 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 33% and peaks near 41% 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
426
526
627
727
828
929
1029
1130
1230
1331
1432
1532
1633
1733
1834
1935
2036
2137
2238
2338
2439
2540
2640
2740
2840
2941
3041

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 31% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
132457160
232357170
332357170
422357180
522356190
622257190
722256200
822156210
922055221
1022053241
1121953251
1221853261
1311754271
1411653291
1511652301
1611552311
1721451321
1821450331
1921350341
2021349351
2121248361
2221247372
2331246382
2431145392
2531144402
2631143413
2731142423
2831141433
2931040444
3031039444

Wind in September

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

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
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
277calm
287calm
297calm
307calm

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 6:58 AM to 6:30 AM, and sunset from 6:32 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:586:32
211.66:576:33
311.66:566:33
411.66:556:33
511.76:546:33
611.76:536:34
711.76:526:34
811.76:516:34
911.76:506:34
1011.86:496:35
1111.86:486:35
1211.86:476:35
1311.86:466:35
1411.86:456:36
1511.96:446:36
1611.96:436:36
1711.96:426:36
1811.96:416:37
1911.96:406:37
2012.06:396:37
2112.06:386:37
2212.06:376:38
2312.06:366:38
2412.06:356:38
2512.16:346:39
2612.16:336:39
2712.16:336:39
2812.16:326:39
2912.16:316:40
3012.26:306:40

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 6.21 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
54.9Bright
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 Mimoso do Sul

In seasonPeak

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

Mimoso do Sul's rainy season runs October–March, 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 Mimoso do Sul?

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

6.5
Sightseeing
5th-best month of the year
6.7
Beach & pool
4th-best month of the year

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

What to pack for Mimoso do Sul in September

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

In September, Mimoso do Sul sees daytime highs around 27°C and nights near 17°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Mimoso do Sul 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 51 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 Mimoso do Sul 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 Mimoso do Sul peaks around February 10 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 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 22UV 6
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct12Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Mimoso do Sul?

Mimoso do Sul sits at 21.1°S, 41.4°W, 74 m above sea level, in Brazil. The nearest listed city is Bom Jesus do Itabapoana, 33 km away.

Topography around Mimoso do Sul

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

Within 3 km, the terrain around Mimoso do Sul has significant variations in elevation — a maximum elevation change of 477 m around an average of 178 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,236 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,427 m.

The land around Mimoso do Sul is covered by trees (54%) and grassland (41%) within 3 km, grassland (54%) and trees (45%) within 16 km, and grassland (56%) and trees (28%) within 80 km.

3 km
477 m
16 km
1,236 m
80 km
2,427 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Bom Jesus do Itabapoana 33 km · Cachoeiro de Itapemirim 36 km · Alegre 38 km · Guaçuí 46 km · São Francisco de Itabapoana 50 km · Castelo 55 km · Itapemirim 56 km · Marataizes 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 Mimoso do Sul (-21.0642°, -41.3664°, elevation 74 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).