Timbiras weather in September

In September, Timbiras sees average daytime highs of 35°C and overnight lows near 24°C, with 6 mm of rain across 1.1 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 76% 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 Timbiras's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Timbiras's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
24°
9th coldest
Rainfall
6 mm
1.1 wet days
Daylight
12 hours
5:51 AM – 5:49 PM
Cloud cover
32%
2nd clearest
Wind
8 km/h
2nd windiest
Solar energy
6.38 kWh/m²
Travel score
3.4
out of 10

Timbiras 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 Timbiras 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 33°C and 36°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)
13423
23423
33423
43423
53423
63423
73423
83423
93523
103523
113523
123523
133523
143523
153524
163524
173524
183524
193524
203524
213524
223524
233524
243524
253524
263524
273524
283524
293524
303524

How September really feels in Timbiras

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
heat index over the day's high
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.

Timbiras 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°23023.912.22.7
Feb31° / 23°25624.112.12.7
Mar31° / 23°32428.6122.6
Apr31° / 23°27926.611.92.8
May31° / 23°13217.711.83.7
Jun32° / 23°326.111.84.7
Jul32° / 22°132.611.84.7
Aug34° / 23°40.811.94.1
Sep35° / 24°61.1123.4
Oct35° / 24°132.212.13.0
Nov35° / 25°426.512.22.9
Dec34° / 24°1011312.22.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% 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 9%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7928
8928
9928
10928
11928
12928
13928
14928
15928
16919
17919
18919
19919
20919
21919
22919
23919
249010
259010
269010
278911
288911
298911
308812

Chance of precipitation in September

Any precipitation

Timbiras gets around 6 mm of rain over 1.1 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 4% and peaks near 4% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
22
33
43
53
63
73
83
93
104
114
124
134
144
154
164
174
184
194
204
214
224
234
244
254
264
274
284
294
304

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
164450
264550
364549
464649
564648
664747
764747
864846
964846
1064846
1164846
1264846
1354847
1454748
1554748
1644749
1744650
1834651
1934552
2024553
2124553
2224454
2314455
2414356
2514356
2614356
2714356
2814356
2904357
3004357

Wind in September

Winds average 8 km/h in September.

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 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 5:58 AM to 5:44 AM, and sunset from 5:53 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:585:53
211.95:575:53
311.95:575:53
411.95:575:52
511.95:565:52
611.95:565:52
711.95:555:52
811.95:555:51
911.95:545:51
1012.05:545:51
1112.05:535:51
1212.05:535:50
1312.05:525:50
1412.05:525:50
1512.05:515:50
1612.05:515:49
1712.05:505:49
1812.05:505:49
1912.05:495:49
2012.05:495:48
2112.05:485:48
2212.05:485:48
2312.05:475:48
2412.05:475:47
2512.05:465:47
2612.05:465:47
2712.05:455:47
2812.05:455:46
2912.05:455:46
3012.05:445:46

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.38 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 6.44 kWh/m² in October across the year — September's 6.38 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in September

Hazard calendar for Timbiras

In seasonPeak

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

Timbiras'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 Timbiras?

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

3.4
Sightseeing
5th-best month of the year
7.2
Beach & pool
4th-best month of the year

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

What to pack for Timbiras in September

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

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

light clothessun protection

UV index in Timbiras 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 Timbiras peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 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 15Aug 10UV 10
UV index (midday)Level
Jan13Extreme
Feb14Extreme
Mar15Extreme
Apr13Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Timbiras 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 Timbiras is worst in October — around 35 µg/m³ PM2.5 (moderate), about 4.0× the cleanest month (June, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateOct 2134 µg/m³Jun 159 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb15Moderate
Mar14Moderate
Apr13Moderate
May10Good
Jun9Good
Jul11Good
Aug13Moderate
Sep19Moderate
Oct35Moderate
Nov30Moderate
Dec23Moderate
Location & terrain

Where is Timbiras?

Timbiras sits at 4.3°S, 43.9°W, 36 m above sea level, in Brazil. The nearest listed city is Codó, 23 km away.

Topography around Timbiras

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

Within 3 km, the terrain around Timbiras has only modest variations in elevation — a maximum elevation change of 92 m around an average of 52 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 135 m; within 80 km, only modest variations in elevation — a maximum elevation change of 194 m.

The land around Timbiras is covered by trees (43%) and grassland (37%) within 3 km, trees (72%) and grassland (23%) within 16 km, and trees (67%) and grassland (24%) within 80 km.

3 km
92 m
16 km
135 m
80 km
194 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Codó 23 km · Coroatá 25 km · Peritoró 46 km · Alto Alegre do Maranhão 56 km · São Mateus do Maranhão 64 km · Aldeias Altas 67 km · Pirapemas 67 km · Vargem Grande 79 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 Timbiras (-4.2553°, -43.9406°, elevation 36 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).