Rafael Jambeiro weather in September

In September, Rafael Jambeiro sees average daytime highs of 29°C and overnight lows near 20°C, with 22 mm of rain across 8.8 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 30°C by the end. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of September to 12 h 06 min by month's end. Set against the rest of the year, September is Rafael Jambeiro's 2nd-clearest and 1st-windiest month. For the whole year in context, see Rafael Jambeiro's year-round climate.

Daytime high
29°
8th warmest
Overnight low
20°
3rd coldest
Rainfall
22 mm
8.8 wet days
Daylight
11 h 54 min
5:34 AM – 5:30 PM
Cloud cover
55%
2nd clearest
Wind
10 km/h
1st windiest
Solar energy
4.88 kWh/m²
Travel score
5.5
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 30°C by the end.

A typical September day in Rafael Jambeiro reaches about 29°C in the afternoon and slips back to 20°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12819
22819
32819
42919
52919
62919
72919
82919
92919
102919
112919
122919
132919
142919
152920
162920
172920
182920
193020
203020
213020
223020
233020
243020
253020
263020
273020
283020
293020
303020

How September really feels in Rafael Jambeiro

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.

Rafael Jambeiro weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°6710.112.63.8
Feb33° / 22°449.712.43.6
Mar33° / 22°6011.512.13.7
Apr31° / 22°4312.511.74.2
May29° / 21°3110.711.45.3
Jun28° / 20°3111.911.36.1
Jul27° / 19°2911.711.36.3
Aug28° / 19°2611.211.66.2
Sep29° / 20°228.811.95.5
Oct31° / 21°277.812.34.7
Nov32° / 22°529.312.64.1
Dec32° / 22°548.412.73.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 41% of September, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26139
36139
46139
56040
66040
76040
86139
96139
106139
116238
126238
136337
146436
156436
166535
176535
186634
196535
206535
216634
226535
236535
246634
256634
266535
276634
286634
296634
306634

Chance of precipitation in September

Any precipitation

Rafael Jambeiro gets around 22 mm of rain over 8.8 wet days in September, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 34% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
134
233
333
434
534
634
734
833
933
1033
1132
1232
1332
1431
1531
1630
1730
1829
1928
2027
2126
2226
2325
2425
2524
2624
2724
2824
2924
3024

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 75% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1330661
2329671
3329671
4328681
5228691
6228691
7227701
8227701
9226711
10226711
11225721
12225721
13124741
14123751
15123760
16122770
17121780
18121780
19120781
20120781
21119791
22118801
23118801
24117802
25117802
26116803
27016813
28015814
29015814
30015805

Wind in September

Winds average 10 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
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 48 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 18 minutes over September. Sunrise moves from 5:45 AM to 5:24 AM, and sunset from 5:30 PM to 5:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:455:30
211.85:445:30
311.85:445:30
411.85:435:30
511.85:425:30
611.85:425:30
711.85:415:30
811.85:405:30
911.85:395:30
1011.95:395:30
1111.95:385:30
1211.95:375:30
1311.95:375:30
1411.95:365:30
1511.95:355:30
1611.95:345:30
1711.95:345:30
1812.05:335:30
1912.05:325:30
2012.05:315:30
2112.05:315:30
2212.05:305:30
2312.05:295:30
2412.05:295:30
2512.05:285:30
2612.15:275:30
2712.15:265:30
2812.15:265:30
2912.15:255:30
3012.15:245:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.88 kWh/m².

For context, solar energy here swings from a low near 3.44 kWh/m² to a high of 5.96 kWh/m² in December across the year — September's 4.88 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in September

Is September a good time to visit Rafael Jambeiro?

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

5.5
Sightseeing
4th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Rafael Jambeiro in September

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

In September, Rafael Jambeiro sees daytime highs around 29°C and nights near 20°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Rafael Jambeiro 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 Rafael Jambeiro peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 17UV 15Jun 23UV 9
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr12Extreme
May9Very high
Jun9Very high
Jul9Very high
Aug10Extreme
Sep11Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Rafael Jambeiro?

Rafael Jambeiro sits at 12.4°S, 39.5°W, 288 m above sea level, in Brazil. The nearest listed city is Santo Estêvão, 27 km away.

Topography around Rafael Jambeiro

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

Within 3 km, the terrain around Rafael Jambeiro has only modest variations in elevation — a maximum elevation change of 199 m around an average of 228 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 282 m; within 80 km, large variations in elevation — a maximum elevation change of 894 m.

The land around Rafael Jambeiro is covered by grassland (84%) within 3 km, grassland (87%) within 16 km, and grassland (78%) within 80 km.

3 km
199 m
16 km
282 m
80 km
894 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Santo Estêvão 27 km · Serra Preta 33 km · Cabaceiras do Paraguaçu 37 km · Ipirá 38 km · Itatim 40 km · Castro Alves 41 km · Sapeaçu 50 km · Cruz das Almas 52 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 Rafael Jambeiro (-12.4083°, -39.5009°, elevation 288 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).