Vitorino Freire weather in September

In September, Vitorino Freire sees average daytime highs of 35°C and overnight lows near 24°C, with 7 mm of rain across 1.4 wet days and about 12 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 65% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Vitorino Freire's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Vitorino Freire's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
24°
10th coldest
Rainfall
7 mm
1.4 wet days
Daylight
12 hours
5:56 AM – 5:55 PM
Cloud cover
37%
2nd clearest
Wind
9 km/h
2nd windiest
Solar energy
6.14 kWh/m²
Travel score
2.9
out of 10

Vitorino Freire 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 35°C through the month.

A typical September day in Vitorino Freire reaches about 35°C in the afternoon and slips back to 24°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 37°C. Set against its neighbours, September runs about 1°C warmer than August and on par with October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13524
23524
33524
43524
53524
63524
73524
83524
93524
103524
113524
123524
133524
143524
153524
163624
173624
183624
193624
203624
213624
223624
233624
243624
253624
263624
273625
283625
293625
303625

How September really feels in Vitorino Freire

Once humidity and wind are folded in, September averages 30 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
30
27 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Vitorino Freire weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 23°22725.612.22.6
Feb31° / 23°23925.112.12.5
Mar31° / 23°28029122.5
Apr31° / 23°23126.211.92.7
May31° / 23°10817.811.83.5
Jun32° / 23°276.711.84.4
Jul33° / 23°153.411.84.2
Aug34° / 23°61.411.93.5
Sep35° / 24°71.4122.9
Oct36° / 25°193.612.12.6
Nov35° / 25°497.812.22.8
Dec33° / 24°11415.612.22.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1919
2919
3919
4919
5919
6919
79010
89010
99010
109010
119010
129010
138911
148911
158911
168911
178812
188812
198812
208812
218812
228812
238713
248713
258614
268614
278614
288614
298515
308515

Chance of precipitation in September

Any precipitation

Vitorino Freire gets around 7 mm of rain over 1.4 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 5% and peaks near 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
14
24
34
44
54
64
74
84
94
104
114
125
135
145
155
165
175
185
195
205
215
225
236
246
256
266
276
287
297
307

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 64% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1163162
2063163
3063163
4063262
5063262
6063361
7063361
8063460
9063460
10063460
11063460
12163459
13153460
14153460
15153460
16143362
17143362
18133363
19133264
20133165
21123166
22023068
23022969
24012970
25012970
26012871
27012871
28002872
29002872
30002872

Wind in September

Winds average 9 km/h in September.

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

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over September. Sunrise moves from 6:03 AM to 5:49 AM, and sunset from 5:58 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:035:58
211.96:035:58
311.96:025:58
411.96:025:58
511.96:015:57
611.96:015:57
711.96:005:57
811.96:005:57
911.95:595:56
1012.05:595:56
1112.05:585:56
1212.05:585:56
1312.05:575:55
1412.05:575:55
1512.05:565:55
1612.05:565:55
1712.05:565:54
1812.05:555:54
1912.05:555:54
2012.05:545:54
2112.05:545:53
2212.05:535:53
2312.05:535:53
2412.05:525:53
2512.05:525:52
2612.05:515:52
2712.05:515:52
2812.05:505:52
2912.05:505:52
3012.05:495:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.14 kWh/m².

For context, solar energy here swings from a low near 4.32 kWh/m² to a high of 6.17 kWh/m² in October across the year — September's 6.14 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
Planning a trip in September

Hazard calendar for Vitorino Freire

In seasonPeak

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

Vitorino Freire's monsoon runs January–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Vitorino Freire?

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

2.9
Sightseeing
5th-best month of the year
6.5
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Vitorino Freire. The water and warmth also suit a beach or pool day.

What to pack for Vitorino Freire in September

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

In September, Vitorino Freire sees daytime highs around 35°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Vitorino Freire in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vitorino Freire peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 24 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeMar 15UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Vitorino Freire in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Vitorino Freire is worst in November — around 27 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (June, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 1426 µg/m³Jun 189 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May11Good
Jun9Good
Jul10Good
Aug10Good
Sep13Moderate
Oct22Moderate
Nov27Moderate
Dec20Moderate
Location & terrain

Where is Vitorino Freire?

Vitorino Freire sits at 4.3°S, 45.2°W, 93 m above sea level, in Brazil. The nearest listed city is Paulo Ramos, 18 km away.

Topography around Vitorino Freire

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

Within 3 km, the terrain around Vitorino Freire has only modest variations in elevation — a maximum elevation change of 60 m around an average of 60 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 124 m; within 80 km, significant variations in elevation — a maximum elevation change of 408 m.

The land around Vitorino Freire is covered by grassland (80%) within 3 km, grassland (83%) within 16 km, and grassland (57%) and trees (40%) within 80 km.

3 km
60 m
16 km
124 m
80 km
408 m
treesshrubsgrasslandartificial surfaceswaterwetland
September weather nearby: Paulo Ramos 18 km · Olho d’Água das Cunhãs 22 km · Lago da Pedra 33 km · Pio XII 52 km · Bacabal 52 km · Santa Luzia 58 km · Poção de Pedras 61 km · São Luís Gonzaga do Maranhão 65 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 Vitorino Freire (-4.2881°, -45.2461°, elevation 93 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).