September weather forecast
Itatiaiuçu, Brazil

September

Weather in September

The first month of the spring, September, is still a warm month in Itatiaiuçu, Brazil, with an average temperature varying between 28.2°C (82.8°F) and 15.2°C (59.4°F).

Temperature

In Itatiaiuçu, Brazil, the average temperatures in September are the highest, with a peak at 28.2°C (82.8°F) and a low of 15.2°C (59.4°F).

Heat index

The heat index value during September is estimated at a hot 30°C (86°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
Given the heat index, its values are aligned with shaded sites and gentle winds. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

With an average relative humidity of 64%, September is the least humid month.

Rainfall

In September, the rain falls for 10.5 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 227.6 rainfall days, and 1519mm (59.8") of precipitation is accumulated.

Daylight

In Itatiaiuçu, the average length of the day in September is 11h and 59min.
On the first day of the month, sunrise is at 06:05 and sunset at 17:49. On the last day of September, sunrise is at 05:39 and sunset at 17:55 -03.

Sunshine

The month with the most sunshine is September, with an average of 9.3h of sunshine.

UV index

The months with the lowest UV index are January through July, September through December, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during September leads to these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

What time of the year is the hottest in Itatiaiuçu?
September brings the highest temperatures, with an average high of 28.2°C (82.8°F) and an average low of 15.2°C (59.4°F).
How hot is it in Itatiaiuçu in September?
The high-temperature, in September, in Itatiaiuçu, records 28.2°C (82.8°F), while the low-temperature is 15.2°C (59.4°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is estimated at 30°C (86°F).
What is the least humid month in Itatiaiuçu?
With an average relative humidity of 64%, September is the least humid month in Itatiaiuçu, Brazil.
What is the average humidity in September in Itatiaiuçu?
In September, the average relative humidity in Itatiaiuçu is 64%.
How much does it rain in Itatiaiuçu in September?
In September, in Itatiaiuçu, Brazil, the rain falls for 10.5 days. Throughout September, 41mm (1.61") of precipitation is accumulated.
What is the average length of the day in September in Itatiaiuçu?
In September, the average day length in Itatiaiuçu is 11h and 59min.
When are sunrise and sunset in September in Itatiaiuçu?
On the first day of September in Itatiaiuçu, sunrise is at 06:05 and sunset at 17:49. On the last day of the month, sunrise is at 05:39 and sunset at 17:55 -03.
What month has the most sunshine in Itatiaiuçu?
The month with the most sunshine in Itatiaiuçu is September, with an average of 9.3h of sunshine.
How many hours of sunshine does Itatiaiuçu have in September?
In Itatiaiuçu, Brazil, the average sunshine duration in September is 9.3h.
What is the month with the lowest UV index in Itatiaiuçu?
The months with the lowest UV index in Itatiaiuçu, Brazil, are January through July, September through December, with an average maximum UV index of 5.
How high is the UV index in September in Itatiaiuçu?
In September, the average daily maximum UV index in Itatiaiuçu, Brazil, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Itatiaiuçu, Brazil
Average temperature in September
Itatiaiuçu, Brazil
  • Average high temperature in September: 28.2°C

The warmest month (with the highest average high temperature) is September (28.2°C).
The month with the lowest average high temperature is June (22.8°C).

  • Average low temperature in September: 15.2°C

The month with the highest average low temperature is December (17.9°C).
The coldest month (with the lowest average low temperature) is July (12.6°C).

Average pressure in September - Itatiaiuçu, Brazil
Average pressure in September
Itatiaiuçu, Brazil
  • Average pressure in September: 1017.4mbar

The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).

Average wind speed in September - Itatiaiuçu, Brazil
Average wind speed in September
Itatiaiuçu, Brazil
  • Average wind speed in September: 9.1km/h

The windiest month (with the highest average wind speed) is September (9.1km/h).
The calmest months (with the lowest average wind speed) are March, April and May (6.7km/h).

Average humidity in September - Itatiaiuçu, Brazil
Average humidity in September
Itatiaiuçu, Brazil
  • Average humidity in September: 64%

The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is September (64%).

Average rainfall in September - Itatiaiuçu, Brazil
Average rainfall in September
Itatiaiuçu, Brazil
  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is November (249mm).
The driest month (with the least rainfall) is July (10mm).

Average rainfall days in September - Itatiaiuçu, Brazil
Average rainfall days in September
Itatiaiuçu, Brazil
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is December (29.6 days).
The month with the least rainy days is August (5.2 days).

Average daylight in September / Average sunshine in September - Itatiaiuçu, Brazil
Average daylight in September /
Average sunshine in September
Itatiaiuçu, Brazil
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

Average sunshine days in September - Itatiaiuçu, Brazil
Average sunshine days in September
Itatiaiuçu, Brazil
  • Average sunshine days in September: 18 days

The month with the most sunshine days is August (23.9 days).
The month with the least sunshine days is December (1.2 days).

Average UV index in September - Itatiaiuçu, Brazil
Average UV index in September
Itatiaiuçu, Brazil
  • Average UV index in September: 5

The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 5).

Average cloud cover in September - Itatiaiuçu, Brazil
Average cloud cover in September
Itatiaiuçu, Brazil
  • Average cloud cover in September: 25

The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September - Itatiaiuçu, Brazil
Average visibility in September
Itatiaiuçu, Brazil
  • Average visibility in September: 9km

The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are March and April (6km).

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