José de Freitas weather in September

In September, José de Freitas sees average daytime highs of 37°C and overnight lows near 25°C, with 3 mm of rain across 0.6 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 37°C through the month. The sky is clear or mostly clear about 74% of the time in September, and the air most often feels humid.

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 José de Freitas's 1st-clearest and 2nd-windiest month. For the whole year in context, see José de Freitas's year-round climate.

Daytime high
37°
2nd warmest
Overnight low
25°
10th coldest
Rainfall
3 mm
0.6 wet days
Daylight
12 hours
5:45 AM – 5:44 PM
Cloud cover
32%
1st clearest
Wind
10 km/h
2nd windiest
Solar energy
6.68 kWh/m²
Travel score
2.2
out of 10

José de Freitas 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 37°C through the month.

A typical September day in José de Freitas reaches about 37°C in the afternoon and slips back to 25°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 38°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)
13625
23625
33625
43625
53625
63625
73625
83625
93625
103625
113725
123725
133725
143725
153725
163725
173725
183725
193725
203725
213725
223725
233725
243725
253725
263725
273725
283725
293725
303725

How September really feels in José de Freitas

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
3 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.

José de Freitas 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
Jan33° / 24°24721.912.22.6
Feb32° / 23°29021.912.22.7
Mar32° / 23°37127.2122.5
Apr31° / 23°30723.911.92.8
May32° / 23°13312.911.83.7
Jun33° / 24°193.611.74.1
Jul34° / 24°101.711.83.8
Aug35° / 24°20.511.83.1
Sep37° / 25°30.6122.2
Oct37° / 26°151.812.11.7
Nov37° / 26°35512.21.9
Dec35° / 25°9310.912.32.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 11%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18911
28812
38812
48812
58812
68812
78812
88812
98812
108812
118812
128911
138911
148911
158911
168911
179010
189010
199010
209010
21919
22919
23919
24919
25919
26919
279010
288911
298911
308911

Chance of precipitation in September

Any precipitation

José de Freitas gets around 3 mm of rain over 0.6 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
102
112
122
132
142
152
162
172
183
193
203
213
223
233
243
253
263
273
283
293
303

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11345401
21345401
31346391
41446381
51447371
61447371
71448361
81448361
91448361
101448362
111448362
121448362
131447372
141347382
151346392
161345402
171244422
181243432
191142452
201141462
211040473
22939493
23939503
24838513
25838513
26738523
27738523
28638533
29638533
30638533

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 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
110calm
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 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 5:53 AM to 5:39 AM, and sunset from 5:47 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:535:47
211.95:525:47
311.95:525:47
411.95:515:47
511.95:515:46
611.95:505:46
711.95:505:46
811.95:495:46
911.95:495:46
1011.95:485:45
1112.05:485:45
1212.05:475:45
1312.05:475:45
1412.05:465:44
1512.05:465:44
1612.05:455:44
1712.05:455:44
1812.05:445:43
1912.05:445:43
2012.05:435:43
2112.05:435:43
2212.05:425:42
2312.05:425:42
2412.05:415:42
2512.05:415:42
2612.05:405:42
2712.05:405:41
2812.05:395:41
2912.05:395:41
3012.05:395:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.68 kWh/m².

For context, solar energy here swings from a low near 4.86 kWh/m² to a high of 6.77 kWh/m² in October across the year — September's 6.68 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.7Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
Planning a trip in September

Hazard calendar for José de Freitas

In seasonPeak

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

José de Freitas'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 José de Freitas?

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

2.2
Sightseeing
10th-best month of the year
5.7
Beach & pool
5th-best month of the year

September is a weaker month for outdoor sightseeing in José de Freitas.

What to pack for José de Freitas in September

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

In September, José de Freitas sees daytime highs around 37°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

UV index in José de Freitas 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 José de Freitas peaks around March 14 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 14UV 15Jul 24UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme

Air quality in José de Freitas 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 José de Freitas is worst in November — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateNov 922 µg/m³Jun 1211 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar14Moderate
Apr13Moderate
May12Good
Jun10Good
Jul14Moderate
Aug20Moderate
Sep17Moderate
Oct22Moderate
Nov22Moderate
Dec18Moderate
Location & terrain

Where is José de Freitas?

José de Freitas sits at 4.8°S, 42.6°W, 131 m above sea level, in Brazil. The nearest listed city is Altos, 34 km away.

Topography around José de Freitas

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

Within 3 km, the terrain around José de Freitas has only modest variations in elevation — a maximum elevation change of 43 m around an average of 127 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 160 m; within 80 km, significant variations in elevation — a maximum elevation change of 369 m.

The land around José de Freitas is covered by grassland (50%) within 3 km, grassland (39%), trees (31%) and shrubs (27%) within 16 km, and trees (52%), grassland (23%) and shrubs (22%) within 80 km.

3 km
43 m
16 km
160 m
80 km
369 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Altos 34 km · União 37 km · Teresina 45 km · Campo Maior 46 km · Timon 47 km · Barras 65 km · Demerval Lobão 68 km · Coelho Neto 74 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 José de Freitas (-4.7564°, -42.5756°, elevation 131 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).