October weather forecast
Aracaju, Brazil

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Weather in October

The October climate in Aracaju is delightfully warm and relatively dry. The decrease in rainfall, reaching only 38mm (1.5") on average over 18.5 days, marks the return of longer, sunnier days. Aracaju becomes a hub for cultural events and festivals in this month. Whether it's strolling through parks or enjoying beach activities, October's balmy weather conditions cater to all.

Temperature

Aracaju's October average high-temperature settles at a still moderately hot 28.4°C (83.1°F), showing a near match with the preceding month. Aracaju experiences a minimal drop from daytime high temperatures, recording an average low-temperature of 23.8°C (74.8°F) throughout October.

Heat index

The average heat index in October is computed to be a hot 32°C (89.6°F). Long-standing exposure coupled with ongoing activity could result in exhaustion, possibly causing heat cramps.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a composite of temperature and humidity figures to convey how warm it feels. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.

Humidity

In Aracaju, the average relative humidity in October is 76%.

Rainfall

In Aracaju, in October, it is raining for 18.5 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 197.6 rainfall days, and 586mm (23.07") of precipitation is accumulated.

Sea temperature

In Aracaju, in October, the average water temperature is 26.5°C (79.7°F).
Note: For any water activity, the surface water temperatures in the range of 25°C (77°F) to 29°C (84.2°F) are deemed excellent and incredibly pleasant for longer durations.

Daylight

In October, the average length of the day is 12h and 21min.
On the first day of the month, sunrise is at 05:11 and sunset at 17:23. On the last day of October, sunrise is at 04:56 and sunset at 17:26 -03.

Sunshine

With an average of 7.5h of sunshine, October has the least sunshine of the year in Aracaju.

UV index

The months with the highest UV index in Aracaju are January through May, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In October, the average maximum UV index of 7 translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Enhance your sun protection with tightly woven, yet airy clothing. Beware! Reflecting off water and sand, UV rays are much stronger.
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Frequently asked questions

Is it hot in Aracaju during October?

In Aracaju, in October, the average high-temperature is 28.4°C (83.1°F), and the average low-temperature is 23.8°C (74.8°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in October is computed to be 32°C (89.6°F).

What is the average humidity in October in Aracaju?

In October, the average relative humidity in Aracaju, Brazil, is 76%.

How many days does it rain in October in Aracaju?

In Aracaju, Brazil, in October, during 18.5 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

What is the water temperature in October in Aracaju?

In Aracaju, in October, the average water temperature is 26.5°C (79.7°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in October in Aracaju?

The average day length in October in Aracaju, Brazil, is 12h and 21min.

What time are sunrise and sunset in October in Aracaju?

On the first day of October in Aracaju, sunrise is at 05:11 and sunset at 17:23. On the last day of the month, sunrise is at 04:56 and sunset at 17:26 -03.

What is the month with the least sunshine in Aracaju?

With an average of 7.5h of sunshine, October has the least sunshine of the year.

How long on average sun shines in October in Aracaju?

In October, the average sunshine duration in Aracaju is 7.5h.

What is the month with the highest UV index in Aracaju?

The months with the highest UV index in Aracaju are January through May, September through December, with an average maximum UV index of 7.

What is the UV index reading in October in Aracaju?

In October, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in October
Aracaju, Brazil

Average temperature in October - Aracaju, Brazil
  • Average high temperature in October: 28.4°C

The warmest month (with the highest average high temperature) is March (30.8°C).
The months with the lowest average high temperature are July and August (26.5°C).

  • Average low temperature in October: 23.8°C

The month with the highest average low temperature is March (25.8°C).
The coldest month (with the lowest average low temperature) is September (22.7°C).

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Average pressure in October
Aracaju, Brazil

Average pressure in October - Aracaju, Brazil
  • Average pressure in October: 1013.9mbar

The month with the highest atmospheric pressure is August (1017.4mbar).
The month with the lowest atmospheric pressure is March (1011.9mbar).

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Average wind speed in October
Aracaju, Brazil

Average wind speed in October - Aracaju, Brazil
  • Average wind speed in October: 18.1km/h

The windiest month (with the highest average wind speed) is November (18.8km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).

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Average humidity in October
Aracaju, Brazil

Average humidity in October - Aracaju, Brazil
  • Average humidity in October: 76%

The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are January, February, March and December (73%).

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Average rainfall in October
Aracaju, Brazil

Average rainfall in October - Aracaju, Brazil
  • Average rainfall in October: 38mm

The wettest month (with the highest rainfall) is July (96mm).
The driest month (with the least rainfall) is November (19mm).

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Average rainfall days in October
Aracaju, Brazil

Average rainfall days in October - Aracaju, Brazil
  • Average rainfall days in October: 18.5 days

The month with the highest number of rainy days is July (24.9 days).
The month with the least rainy days is March (10.6 days).

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Average sea temperature in October
Aracaju, Brazil

Average sea temperature in October - Aracaju, Brazil
  • Average sea temperature in October: 26.5°C

The best months for swimming (with the highest average sea temperature) are March and April (28.7°C).
The coldest month (with the lowest average sea temperature) is August (25.8°C).

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Average daylight in October /
Average sunshine in October
Aracaju, Brazil

Average daylight in October / Average sunshine in October - Aracaju, Brazil
  • Average daylight in October: 12h and 2min

The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in October: 7h and 3min

The month with the most sunshine is March (Average sunshine: 8h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).

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Average sunshine days in October
Aracaju, Brazil

Average sunshine days in October - Aracaju, Brazil
  • Average sunshine days in October: 6.4 days

The month with the most sunshine days is March (19 days).
The month with the least sunshine days is July (3.8 days).

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Average UV index in October
Aracaju, Brazil

Average UV index in October - Aracaju, Brazil
  • Average UV index in October: 7

The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).

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Average cloud cover in October
Aracaju, Brazil

Average cloud cover in October - Aracaju, Brazil
  • Average cloud cover in October: 44

The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 35).

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Average visibility in October
Aracaju, Brazil

Average visibility in October - Aracaju, Brazil
  • Average visibility in October: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Aracaju, Brazil

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