Guaratinga weather in September

In September, Guaratinga sees average daytime highs of 28°C and overnight lows near 18°C, with 35 mm of rain across 9.7 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 21% of the time in September, and the air most often feels muggy.

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 Guaratinga's 4th-clearest and 3rd-windiest month. For the whole year in context, see Guaratinga's year-round climate.

Daytime high
28°
9th warmest
Overnight low
18°
4th coldest
Rainfall
35 mm
9.7 wet days
Daylight
11 h 54 min
5:36 AM – 5:31 PM
Cloud cover
59%
4th clearest
Wind
9 km/h
3rd windiest
Solar energy
4.67 kWh/m²
Travel score
6.3
out of 10

Guaratinga 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 28°C through the month.

A typical September day in Guaratinga reaches about 28°C in the afternoon and slips back to 18°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°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°151015202530
Avg high (°C)Avg low (°C)
12718
22718
32718
42718
52718
62718
72718
82718
92718
102718
112718
122718
132718
142718
152818
162818
172819
182819
192819
202819
212819
222819
232819
242819
252819
262819
272819
282819
292819
302819

How September really feels in Guaratinga

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Guaratinga weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°7915.112.94.2
Feb31° / 22°641312.64.1
Mar30° / 22°11017.312.14.0
Apr29° / 21°6715.511.64.6
May28° / 20°4611.611.26.0
Jun26° / 18°3311.4116.4
Jul26° / 17°3812.411.16.4
Aug26° / 17°3310.611.46.6
Sep28° / 18°359.711.96.3
Oct29° / 20°7712.712.45.3
Nov29° / 21°13816.412.84.5
Dec30° / 21°11615134.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 31% of September, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25644
35644
45545
55545
65545
75446
85446
95446
105545
115545
125545
135545
145446
155446
165446
175446
185446
195347
205248
215149
225149
235050
244951
254852
264753
274753
284654
294555
304456

Chance of precipitation in September

Any precipitation

Guaratinga gets around 35 mm of rain over 9.7 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 33% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
232
333
433
533
633
733
833
933
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2132
2232
2332
2432
2532
2632
2732
2832
2933
3033

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11850410
21850410
31849420
41948430
51947430
60946440
70946450
80945460
90944460
100943470
110942480
120842490
130841510
140840520
150739531
160739531
170738541
180637561
190636571
200635581
210534601
220533611
230532621
240531631
250530632
260529642
270528652
280527662
290426682
300425692

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 10 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
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:49 AM to 5:24 AM, and sunset from 5:29 PM to 5:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:495:29
211.75:485:29
311.75:475:29
411.75:465:29
511.75:455:29
611.75:455:30
711.85:445:30
811.85:435:30
911.85:425:30
1011.85:415:30
1111.85:405:30
1211.85:405:30
1311.95:395:30
1411.95:385:30
1511.95:375:31
1611.95:365:31
1711.95:355:31
1811.95:355:31
1912.05:345:31
2012.05:335:31
2112.05:325:31
2212.05:315:31
2312.05:305:31
2412.05:295:32
2512.15:295:32
2612.15:285:32
2712.15:275:32
2812.15:265:32
2912.15:255:32
3012.15:245:32

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 3.47 kWh/m² to a high of 5.88 kWh/m² in January across the year — September's 4.67 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Guaratinga?

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

6.3
Sightseeing
4th-best month of the year
6.7
Beach & pool
1st-best month of the year

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

What to pack for Guaratinga in September

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

In September, Guaratinga sees daytime highs around 28°C and nights near 18°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Guaratinga in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guaratinga peaks around February 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 16UV 15Jun 23UV 8
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct13Extreme
Nov14Extreme
Dec13Extreme
Location & terrain

Where is Guaratinga?

Guaratinga sits at 16.6°S, 39.8°W, 154 m above sea level, in Brazil. The nearest listed city is Itabela, 24 km away.

Topography around Guaratinga

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

Within 3 km, the terrain around Guaratinga has only modest variations in elevation — a maximum elevation change of 225 m around an average of 196 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 811 m; within 80 km, large variations in elevation — a maximum elevation change of 1,177 m.

The land around Guaratinga is covered by grassland (83%) within 3 km, grassland (56%) and trees (44%) within 16 km, and grassland (60%) and trees (37%) within 80 km.

3 km
225 m
16 km
811 m
80 km
1,177 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Itabela 24 km · Eunápolis 31 km · Itamaraju 57 km · Porto Seguro 78 km · Itanhém 87 km · Santa Cruz Cabrália 87 km · Medeiros Neto 100 km · Prado 103 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 Guaratinga (-16.582°, -39.7812°, elevation 154 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).