Santa Juliana weather in September

In September, Santa Juliana sees average daytime highs of 29°C and overnight lows near 17°C, with 47 mm of rain across 6.8 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 52% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Santa Juliana's 4th-clearest and 1st-windiest month. For the whole year in context, see Santa Juliana's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
17°
5th coldest
Rainfall
47 mm
6.8 wet days
Daylight
11 h 54 min
7:08 AM – 7:01 PM
Cloud cover
43%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
5.9 kWh/m²
Travel score
6.3
out of 10

Santa Juliana 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 29°C through the month.

A typical September day in Santa Juliana reaches about 29°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12816
22816
32816
42816
52816
62816
72916
82916
92916
102916
112916
122917
132917
142917
152917
162917
172917
182917
192917
202917
212917
222917
232917
242917
252917
262918
272918
282918
292918
302918

Santa Juliana weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°22622134.5
Feb28° / 19°16218.312.74.7
Mar28° / 19°16219.912.14.9
Apr27° / 18°6110.311.66.5
May26° / 15°294.711.17.8
Jun25° / 14°101.510.98.6
Jul25° / 13°61118.7
Aug27° / 14°11211.38.2
Sep29° / 17°476.811.96.3
Oct29° / 19°10113.412.45.1
Nov28° / 19°17920.612.94.6
Dec27° / 19°24324.313.14.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 52% 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 33%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27822
37822
47723
57723
67723
77723
87624
97525
107426
117327
127228
137228
147030
156931
166832
176733
186535
196436
206337
216238
226040
235941
245941
255743
265644
275545
285545
295446
305347

Chance of precipitation in September

Any precipitation

Santa Juliana gets around 47 mm of rain over 6.8 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 23% and peaks near 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
112
213
313
413
514
614
715
816
917
1017
1118
1219
1320
1420
1521
1622
1723
1824
1925
2026
2128
2229
2330
2431
2532
2633
2734
2836
2937
3037

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1672580
2652690
36426100
46326110
56326110
66127120
76027130
85828140
95629150
105330161
115131171
125032181
134833191
144534201
154335211
164135222
174036232
183837242
193637253
203437263
213336273
223136294
233035304
242934325
252833345
262732366
272630377
282529397
292428418
302327428

Wind in September

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

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
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 36 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over September. Sunrise moves from 7:21 AM to 6:55 AM, and sunset from 6:58 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.67:216:58
211.67:216:58
311.77:206:59
411.77:196:59
511.77:186:59
611.77:176:59
711.77:166:59
811.77:157:00
911.87:147:00
1011.87:137:00
1111.87:127:00
1211.87:117:00
1311.87:107:01
1411.97:107:01
1511.97:097:01
1611.97:087:01
1711.97:077:01
1811.97:067:02
1911.97:057:02
2012.07:047:02
2112.07:037:02
2212.07:027:02
2312.07:017:03
2412.07:007:03
2512.16:597:03
2612.16:587:03
2712.16:577:03
2812.16:577:04
2912.16:567:04
3012.26:557:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.9 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.04 kWh/m² in October across the year — September's 5.9 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for Santa Juliana

In seasonPeak

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

Santa Juliana's monsoon runs November–March, 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 Santa Juliana?

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

6.3
Sightseeing
6th-best month of the year
7.7
Beach & pool
3rd-best month of the year

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

What to pack for Santa Juliana in September

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

In September, Santa Juliana sees daytime highs around 29°C and nights near 17°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

UV index in Santa Juliana 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 Santa Juliana peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 10UV 16Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santa Juliana 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 Santa Juliana is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1621 µg/m³Jul 106 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr7Good
May7Good
Jun6Good
Jul6Good
Aug11Good
Sep22Moderate
Oct11Good
Nov6Good
Dec6Good
Location & terrain

Where is Santa Juliana?

Santa Juliana sits at 19.3°S, 47.5°W, 936 m above sea level, in Brazil. The nearest listed city is Perdizes, 25 km away.

Topography around Santa Juliana

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

Within 3 km, the terrain around Santa Juliana has only modest variations in elevation — a maximum elevation change of 136 m around an average of 969 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 271 m; within 80 km, large variations in elevation — a maximum elevation change of 779 m.

The land around Santa Juliana is covered by cropland (52%) and grassland (21%) within 3 km, cropland (57%) within 16 km, and cropland (42%), grassland (26%) and trees (25%) within 80 km.

3 km
136 m
16 km
271 m
80 km
779 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Perdizes 25 km · Sacramento 63 km · Uberaba 65 km · Monte Carmelo 65 km · Araxá 69 km · Patrocínio 69 km · Igarapava 84 km · Uberlândia 90 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 Santa Juliana (-19.3086°, -47.5253°, elevation 936 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).