Guanambi weather in September

In September, Guanambi sees average daytime highs of 31°C and overnight lows near 18°C, with 4 mm of rain across 1 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 32°C by the end. The sky is clear or mostly clear about 66% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 11 h 42 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Guanambi's 1st-clearest and 1st-windiest month. For the whole year in context, see Guanambi's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
18°
4th coldest
Rainfall
4 mm
1 wet days
Daylight
11 h 54 min
5:48 AM – 5:43 PM
Cloud cover
31%
1st clearest
Wind
15 km/h
1st windiest
Solar energy
6.44 kWh/m²
Travel score
5.7
out of 10

Guanambi 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

Highs climb over the month, from about 30°C in the first days to 32°C by the end.

A typical September day in Guanambi reaches about 31°C in the afternoon and slips back to 18°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, September runs about 2°C warmer than August and about 1°C cooler than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13018
23018
33018
43018
53018
63018
73118
83118
93118
103118
113118
123118
133118
143118
153118
163118
173118
183119
193119
203219
213219
223219
233219
243219
253219
263219
273219
283219
293219
303219

How September really feels in Guanambi

Once humidity and wind are folded in, September averages 3 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
3
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.

Guanambi weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°829.412.74.8
Feb31° / 21°536.712.54.8
Mar31° / 21°738.912.14.8
Apr30° / 20°253.811.75.6
May29° / 19°5111.46.5
Jun28° / 18°10.311.27.6
Jul28° / 17°0011.28.2
Aug29° / 17°0011.57.1
Sep31° / 18°4111.95.7
Oct32° / 20°354.412.34.6
Nov31° / 21°9711.112.74.4
Dec30° / 21°10411.612.84.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 66% 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 19%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28416
38416
48416
58416
68416
78317
88317
98317
108218
118218
128218
138218
148119
158119
168119
178218
188218
198119
208119
218119
228119
238020
248020
258020
268020
277822
287822
297822
307822

Chance of precipitation in September

Any precipitation

Guanambi gets around 4 mm of rain over 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 3% and peaks near 7% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
142
152
162
173
183
194
204
215
225
235
246
256
266
276
286
297
307

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1395470
2385570
3385570
4385570
5385480
6375580
7375580
8375580
9365680
10355780
11345790
12345790
133357100
143158110
153059110
162958121
172858131
182758141
192658151
202459161
212358181
222257192
232256202
242156212
252056222
261955242
271955242
281855252
291854262
301753273

Wind in September

Winds average 15 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 42 min at the start of September to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over September. Sunrise moves from 5:59 AM to 5:37 AM, and sunset from 5:42 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:595:42
211.75:585:43
311.75:585:43
411.85:575:43
511.85:565:43
611.85:565:43
711.85:555:43
811.85:545:43
911.85:535:43
1011.85:525:43
1111.95:525:43
1211.95:515:43
1311.95:505:43
1411.95:495:43
1511.95:495:43
1611.95:485:43
1711.95:475:43
1811.95:465:43
1912.05:455:43
2012.05:455:43
2112.05:445:43
2212.05:435:43
2312.05:425:43
2412.05:425:43
2512.05:415:43
2612.15:405:44
2712.15:395:44
2812.15:395:44
2912.15:385:44
3012.15:375:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.44 kWh/m².

For context, solar energy here swings from a low near 4.55 kWh/m² to a high of 6.64 kWh/m² in October across the year — September's 6.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.2Intense
46.2Intense
56.2Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.7Intense
Planning a trip in September

Is September a good time to visit Guanambi?

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

5.7
Sightseeing
5th-best month of the year
8.4
Beach & pool
5th-best month of the year

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

What to pack for Guanambi in September

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

In September, Guanambi sees daytime highs around 31°C and nights near 18°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Guanambi 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 Guanambi peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jul 11UV 8
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar15Extreme
Apr12Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Guanambi?

Guanambi sits at 14.2°S, 42.8°W, 531 m above sea level, in Brazil. The nearest listed city is Caetité, 37 km away.

Topography around Guanambi

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

Within 3 km, the terrain around Guanambi has only modest variations in elevation — a maximum elevation change of 94 m around an average of 520 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 473 m; within 80 km, large variations in elevation — a maximum elevation change of 989 m.

The land around Guanambi is covered by artificial surfaces (45%) and grassland (21%) within 3 km, grassland (37%), cropland (27%) and shrubs (23%) within 16 km, and shrubs (48%) and grassland (20%) within 80 km.

3 km
94 m
16 km
473 m
80 km
989 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Caetité 37 km · Palmas de Monte Alto 41 km · Igaporã 51 km · Urandi 62 km · Caculé 68 km · Riacho de Santana 70 km · Espinosa 78 km · Tanque Novo 82 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 Guanambi (-14.2233°, -42.7814°, elevation 531 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).