Surubim weather in September

In September, Surubim sees average daytime highs of 28°C and overnight lows near 20°C, with 15 mm of rain across 5.1 wet days and about 12 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 29°C by the end. The sky is clear or mostly clear about 27% 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 Surubim's 2nd-clearest and 1st-windiest month. For the whole year in context, see Surubim's year-round climate.

Daytime high
28°
9th warmest
Overnight low
20°
3rd coldest
Rainfall
15 mm
5.1 wet days
Daylight
12 hours
5:19 AM – 5:16 PM
Cloud cover
50%
2nd clearest
Wind
14 km/h
1st windiest
Solar energy
5.28 kWh/m²
Travel score
6.6
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 29°C by the end.

A typical September day in Surubim reaches about 28°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs about 1°C warmer than August and about 2°C cooler than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12820
22820
32820
42820
52820
62820
72820
82820
92820
102820
112820
122820
132820
142820
152820
162820
172820
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920

How September really feels in Surubim

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.

Surubim 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
Jan31° / 22°4110.912.44.4
Feb31° / 22°411112.34.3
Mar31° / 22°5514.312.14.2
Apr30° / 22°5513.311.84.6
May29° / 21°5611.511.65.5
Jun27° / 21°481111.66.3
Jul27° / 20°3810.111.66.6
Aug27° / 19°227.511.76.9
Sep28° / 20°155.1126.6
Oct30° / 21°124.312.25.8
Nov31° / 21°134.112.45.3
Dec31° / 22°207.112.44.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 43% of September, with mostly cloudy or overcast conditions the remaining 30%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26436
36535
46535
56535
66535
76535
86634
96634
106634
116733
126733
136733
146931
156931
166931
177129
187129
197327
207327
217426
227426
237624
247624
257723
267723
277723
287723
297723
307624

Chance of precipitation in September

Any precipitation

Surubim gets around 15 mm of rain over 5.1 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 17% and peaks near 21% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
120
220
320
420
520
621
721
821
921
1021
1120
1220
1320
1419
1519
1618
1717
1816
1916
2015
2114
2214
2313
2412
2512
2612
2711
2811
2912
3012

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)
13466
23466
33466
43367
53367
63367
73367
83367
93367
103367
113367
123367
133367
143367
153367
163268
173268
183268
193268
203268
213268
223268
233268
243268
253268
263169
273169
283169
293070
302971

Wind in September

Winds average 14 km/h in September, the windiest month of the year.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

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 5:27 AM to 5:11 AM, and sunset from 5:18 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:275:18
211.95:275:18
311.95:265:18
411.95:265:18
511.95:255:18
611.95:245:18
711.95:245:17
811.95:235:17
911.95:235:17
1011.95:225:17
1111.95:225:17
1211.95:215:17
1311.95:205:17
1411.95:205:16
1512.05:195:16
1612.05:195:16
1712.05:185:16
1812.05:175:16
1912.05:175:16
2012.05:165:15
2112.05:165:15
2212.05:155:15
2312.05:145:15
2412.05:145:15
2512.05:135:15
2612.05:135:15
2712.05:125:15
2812.05:125:14
2912.15:115:14
3012.15:115:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m².

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.07 kWh/m² in November across the year — September's 5.28 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.2Bright
145.2Bright
155.2Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.6Bright
245.6Bright
255.6Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.8Bright
Planning a trip in September

Is September a good time to visit Surubim?

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

6.6
Sightseeing
2nd-best month of the year
7.7
Beach & pool
2nd-best month of the year

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

What to pack for Surubim in September

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

In September, Surubim sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Surubim 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 Surubim peaks around March 15 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 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 15UV 15Jul 14UV 10
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Very high
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Surubim?

Surubim sits at 7.8°S, 35.8°W, 377 m above sea level, in Brazil. The nearest listed city is João Alfredo, 19 km away.

Topography around Surubim

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

Within 3 km, the terrain around Surubim has only modest variations in elevation — a maximum elevation change of 115 m around an average of 375 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, large variations in elevation — a maximum elevation change of 1,178 m.

The land around Surubim is covered by grassland (63%) within 3 km, grassland (73%) within 16 km, and grassland (58%) and shrubs (25%) within 80 km.

3 km
115 m
16 km
548 m
80 km
1,178 m
treesshrubsgrasslandcroplandartificial surfaces
September weather nearby: João Alfredo 19 km · Bom Jardim 19 km · Orobó 19 km · Cumaru 20 km · Passira 26 km · Vertentes 27 km · Aroeiras 32 km · Taquaritinga do Norte 33 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 Surubim (-7.8331°, -35.7547°, elevation 377 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).