Marechal Floriano weather in September

In September, Marechal Floriano sees average daytime highs of 24°C and overnight lows near 16°C, with 99 mm of rain across 13.5 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 24°C through the month. The sky is clear or mostly clear about 32% 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 Marechal Floriano's 5th-clearest and 1st-windiest month. For the whole year in context, see Marechal Floriano's year-round climate.

Daytime high
24°
8th warmest
Overnight low
16°
4th coldest
Rainfall
99 mm
13.5 wet days
Daylight
11 h 54 min
6:41 AM – 6:34 PM
Cloud cover
58%
5th clearest
Wind
10 km/h
1st windiest
Solar energy
4.98 kWh/m²
Travel score
6.4
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical September day in Marechal Floriano reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°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°151015202530
Avg high (°C)Avg low (°C)
12415
22416
32416
42416
52416
62416
72416
82416
92416
102416
112416
122416
132416
142416
152416
162416
172416
182416
192416
202416
212416
222417
232417
242417
252517
262517
272517
282517
292517
302517

Marechal Floriano 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
Jan28° / 20°20817.513.14.7
Feb29° / 20°15815.112.74.7
Mar28° / 20°23019.612.14.8
Apr26° / 18°14818.511.55.3
May24° / 16°8113.4116.4
Jun24° / 15°5110.110.87.1
Jul23° / 15°5610.810.97.0
Aug24° / 15°5710.411.37.0
Sep24° / 16°9913.511.96.4
Oct25° / 18°16216.712.55.6
Nov26° / 19°28120.7134.7
Dec27° / 20°31421.313.24.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25842
35842
45842
55842
65743
75743
85644
95545
105446
115347
125248
135149
145050
154852
164852
174654
184456
194456
204258
214060
224060
233961
243862
253763
263664
273664
283565
293466
303466

Chance of precipitation in September

Any precipitation

Marechal Floriano gets around 99 mm of rain over 13.5 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 45% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
135
236
336
436
537
637
738
839
940
1041
1142
1243
1343
1444
1545
1645
1746
1847
1947
2048
2149
2249
2350
2451
2551
2652
2752
2852
2953
3053

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1533584
2533584
3533584
4533575
5533575
6532585
7432586
8431596
9431587
10430588
11429598
12428599
133276010
143266011
153265912
163256012
173246013
183245914
193245815
203235816
213235717
223235618
233225619
243225520
253215521
263215422
273205324
283205225
293195226
303195127

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 6:55 AM to 6:27 AM, and sunset from 6:30 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:556:30
211.66:546:30
311.66:536:31
411.66:526:31
511.76:516:31
611.76:506:31
711.76:496:32
811.76:486:32
911.76:476:32
1011.86:466:32
1111.86:456:32
1211.86:446:33
1311.86:436:33
1411.86:426:33
1511.96:416:33
1611.96:416:34
1711.96:406:34
1811.96:396:34
1911.96:386:34
2012.06:376:35
2112.06:366:35
2212.06:356:35
2312.06:346:35
2412.06:336:35
2512.16:326:36
2612.16:316:36
2712.16:306:36
2812.16:296:36
2912.16:286:37
3012.26:276:37

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.98 kWh/m².

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 6.26 kWh/m² in February across the year — September's 4.98 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.1Bright
Planning a trip in September

Hazard calendar for Marechal Floriano

In seasonPeak

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

Marechal Floriano'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 Marechal Floriano?

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

6.4
Sightseeing
4th-best month of the year
5.6
Beach & pool
6th-best month of the year

September is a reasonable time to visit Marechal Floriano for sightseeing.

What to pack for Marechal Floriano in September

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

In September, Marechal Floriano sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Marechal Floriano 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 40 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 Marechal Floriano 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 Marechal Floriano peaks around February 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeFeb 11UV 15Jun 20UV 7
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7Very high
Jun7High
Jul7High
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Marechal Floriano?

Marechal Floriano sits at 20.4°S, 40.7°W, 555 m above sea level, in Brazil. The nearest listed city is Domingos Martins, 6.0 km away.

Topography around Marechal Floriano

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

Within 3 km, the terrain around Marechal Floriano has significant variations in elevation — a maximum elevation change of 389 m around an average of 670 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,069 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,980 m.

The land around Marechal Floriano is covered by trees (83%) within 3 km, trees (79%) and grassland (20%) within 16 km, and trees (46%), grassland (27%) and water (24%) within 80 km.

3 km
389 m
16 km
1,069 m
80 km
1,980 m
treesgrasslandartificial surfaceswater
September weather nearby: Domingos Martins 6.0 km · Viana 20 km · Cariacica 32 km · Guarapari 34 km · Vitória 37 km · Vila Velha 42 km · Santa Maria de Jetibá 43 km · Anchieta 44 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 Marechal Floriano (-20.4128°, -40.6831°, elevation 555 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).