Sunlight Analysis

Sunlight Hours in Aracaju

Sunlight hours, shadow patterns, and solar analysis for Aracaju, Brazil

Interactive 3D Shadow Map

Summer afternoon in Aracaju

Aracaju

3:30 PM • Summer Solstice

Full Screen

Interactive 3D shadow analysis map of Aracaju. Shows real building shadows based on sun position calculations. Features include: time-of-day simulation, date selection for seasonal analysis, 3D building rendering, tree shadows, terrain elevation, and sun position indicators. Powered by Mapbox GL JS and SunCalc astronomical calculations.

Drag to rotateScroll to zoomWatch shadows move in real-time

Today's Sunlight

March Average

Sunrise

05:34

Sunset

17:39

Total Daylight

12h 5m

Sun Altitude

81°

at noon

Seasonal Extremes

☀️

Longest Day

12.7h

2026-12-21

❄️

Shortest Day

11.4h

2026-06-21

Interactive 3D

Explore Shadows in 3D

See exactly how building shadows fall across Aracaju at any time of day or year.

Location
Lat

-10.9111°

Lng

-37.0717°

Launch 3D Map

Best Time to Visit Aracaju

Month-by-month daylight conditions

Aracaju lies in the tropics with consistent daylight year-round. Any time of year offers good sunlight conditions.

Peak Months

Dec, Jan, Nov, Feb

Shoulder Season

Oct & Mar

Summer

Jan

12.6h

Excellent

Summer

Feb

12.4h

Excellent

Autumn

Mar

12.1h

Great

Autumn

Apr

11.8h

Great

Autumn

May

11.5h

Great

Winter

Jun

11.4h

Good

Winter

Jul

11.5h

Great

Winter

Aug

11.7h

Great

Spring

Sep

12.0h

Great

Spring

Oct

12.3h

Great

Spring

Nov

12.5h

Excellent

Summer

Dec

12.7h

Excellent

Excellent (14h+) Great (12-14h) Good (10-12h) Fair (8-10h) Limited (<8h)

Golden Hour in Aracaju

Best times for photography

March Golden Hour

Morning

05:34 - 06:34

Blue hour from 05:04

Evening

16:39 - 17:39

Blue hour until 18:09

Best Months

  • 1Year-roundConsistent golden hour length
  • 2Apr-OctMilder temperatures for outdoor shoots
  • 3Dec-FebLatest sunsets for evening shoots

Photography Tips

  • In the tropics, golden hour is brief but intense - arrive early to your location
  • The sun rises and sets nearly vertically, creating short but vibrant color displays
  • Face north during midday for even lighting on subjects
  • Check the 3D shadow map to scout locations and predict light direction

Understanding Aracaju's Sunlight

AI-powered insights for your location

Aracaju's tropical location (10.9°S) creates minimal seasonal variation, with winter days 1.3 hours shorter than summer. The sun reaches 78° at summer noon but only 56° in winter.

Key Challenges

  • 1Consider local weather patterns that may affect sunshine
  • 2Urban buildings may create additional shadows

Best Months

October through March offers the longest days and highest sun angles in the Southern Hemisphere.

Garden Tips

North-facing gardens receive the most consistent sunlight year-round in Aracaju. Consider shadow patterns from neighboring structures when planning outdoor spaces.

Solar Energy Potential

Is Aracaju good for solar panels?

Aracaju receives approximately 2,414 hours of sunshine annually, making it an excellent location for solar energy. Most residential installations achieve payback within 5-7 years.

Annual Sun Hours

2,414

estimated

Optimal Panel Tilt

11°

facing north

Peak Production

Feb, Oct, Nov

highest output

Relative Monthly Production

Jan
95%
Feb
100%
Mar
91%
Apr
76%
May
65%
Jun
60%
Jul
63%
Aug
72%
Sep
86%
Oct
98%
Nov
97%
Dec
93%

Installation Tips for Aracaju

  • Orient panels north with a 11° tilt for optimal year-round performance
  • Use the 3D shadow map to check for obstructions from trees or neighboring buildings
  • Consider seasonal tilt adjustment: steeper in winter (26°), flatter in summer (10°)

UV Index & Sun Safety

Protect yourself in Aracaju

March UV Index

14Extreme

Maximum protection essential. Avoid outdoor activities during peak hours.

UV Index Scale:
1-2 Low3-5 Mod6-7 High8-10 V.High11+ Ext

Monthly UV Index

14
Jan
14
Feb
14
Mar
13
Apr
12
May
12
Jun
12
Jul
13
Aug
14
Sep
14
Oct
14
Nov
14
Dec

Peak UV Months

Jan, Feb, Mar have the highest UV levels (up to 14). Take extra precautions during these months.

Protection Needed

  • SPF 50+ broad-spectrum sunscreen
  • Full coverage clothing and wide-brim hat
  • Stay indoors 10am-4pm

Outdoor Activities in Aracaju

Best times for popular activities

Best Activities in March

🥇

Outdoor Dining

26% match

🥈

Hiking & Walking

26% match

🥉

Beach & Swimming

26% match

Year-Round Activity Guide

ActivityJanFebMarAprMayJunJulAugSepOctNovDec
Outdoor Dining
Hiking & Walking
Beach & Swimming
Photography
Gardening
Running & Cycling
Best months Good Fair Limited Current month

Outdoor Dining

Enjoy al fresco dining during the warmer months with longer evening light.

Best:May, Jun, Jul

Hiking & Walking

Mild temperatures and good daylight make spring and autumn ideal for trails.

Best:May, Jun, Jul

Beach & Swimming

Peak sun and warmest temperatures during summer months.

Best:May, Jun, Jul

Seasonal Sunlight Calendar

Monthly averages throughout the year

MonthSunriseSunsetDaylightSun Angle
☀️January
05:1917:55
12h 35m
81°
☀️February
05:3117:53
12h 22m
86°
March
05:3417:39
12h 5m
81°
April
05:3417:21
11h 47m
69°
May
05:3817:10
11h 32m
60°
June
05:4617:10
11h 25m
56°
July
05:5017:18
11h 28m
58°
August
05:4217:22
11h 41m
66°
September
05:2417:22
11h 58m
76°
October
05:0617:21
12h 16m
86°
November
04:5617:29
12h 32m
83°
☀️December
05:0317:43
12h 40m
78°
☀️

Summer Solstice

12.7h daylight

❄️

Winter Solstice

11.4h daylight

Explore Nearby Cities

Sunlight data for surrounding areas

Frequently Asked Questions

Sunlight in Aracaju

1

How many hours of sunlight does Aracaju get?

Aracaju receives an average of 12 hours of daylight per day. This varies throughout the year, from 11.4 hours on the shortest day to 12.7 hours on the longest day.

2

What is the sun angle in Aracaju during winter?

During winter solstice, the sun reaches a maximum altitude of only 55.6° above the horizon at solar noon in Aracaju. This creates shadows that are 0.7x the height of objects.

3

When is the best time for outdoor activities in Aracaju?

October through March offers the longest days and highest sun angles in the Southern Hemisphere.

4

How do I plan a garden in Aracaju for maximum sunlight?

North-facing gardens receive the most consistent sunlight year-round in Aracaju. Consider shadow patterns from neighboring structures when planning outdoor spaces.

5

What time is golden hour in Aracaju?

In March, golden hour in Aracaju occurs in the morning from 05:34 - 06:34 and in the evening from 16:39 - 17:39. These times shift throughout the year as sunrise and sunset times change.

6

What is the UV index in Aracaju?

The UV index in Aracaju varies by season. During summer, UV can reach 14 (very high), while winter UV levels are much lower. Always check daily UV forecasts and wear SPF 30+ sunscreen during peak hours (10am-4pm).

7

Are solar panels worth it in Aracaju?

Aracaju receives approximately 2,414 hours of sunshine annually. This makes it a good location for solar panels, with typical payback periods of 5-10 years. For optimal performance, orient panels north at a 11° tilt angle.

8

When is sunrise and sunset in Aracaju?

In March, sunrise in Aracaju is around 05:34 and sunset is around 17:39, giving 12.1 hours of daylight. The earliest sunrise occurs around the summer solstice (05:05) and latest sunset follows shortly after.

9

What is the best month to visit Aracaju for weather?

For optimal daylight and outdoor conditions in Aracaju, October through March offers the longest days and highest sun angles in the Southern Hemisphere. The shoulder seasons often offer a good balance of pleasant weather and fewer crowds.

10

How long are shadows in Aracaju?

Shadow length varies dramatically by season in Aracaju. At summer noon, shadows are only 0.2x the height of objects (sun at 78°). In winter, shadows extend to 0.7x object height (sun at just 56°).