September weather forecast
Cruzeiro da Fortaleza, Brazil

September

Weather in September

September, the first month of the spring in Cruzeiro da Fortaleza, is also a moderately hot month, with an average temperature fluctuating between 29.8°C (85.6°F) and 16.8°C (62.2°F).

Temperature

September, with an average high of 29.8°C (85.6°F) and a low of 16.8°C (62.2°F), signifies the warmest month of the year.

Heat index

Throughout September, the heat index is appraised at a hot 31°C (87.8°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', determines the feeling of heat when you account for the relative humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.

Humidity

With an average relative humidity of 51%, September is the least humid month.

Rainfall

In September, the rain falls for 8.3 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Cruzeiro da Fortaleza, Brazil, there are 218.2 rainfall days, and 1376mm (54.17") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 0min.
On the first day of the month, sunrise is at 06:13 and sunset at 17:59. On the last day of September, in Cruzeiro da Fortaleza, Brazil, sunrise is at 05:48 and sunset at 18:04 -03.

Sunshine

July and September, with an average of 9.4h of sunshine, are months with the most sunshine in Cruzeiro da Fortaleza.

UV index

The months with the highest UV index in Cruzeiro da Fortaleza are August and September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What is the warmest month in Cruzeiro da Fortaleza?
September is the month when Cruzeiro da Fortaleza sees the average highest temperatures, with a high of 29.8°C (85.6°F) and a low of 16.8°C (62.2°F).
How hot does it get in Cruzeiro da Fortaleza in September?
Cruzeiro da Fortaleza in September has an average high-temperature of 29.8°C (85.6°F) and an average low-temperature of 16.8°C (62.2°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 31°C (87.8°F).
What is the least humid month in Cruzeiro da Fortaleza?
The least humid month is September, with an average relative humidity of 51%.
What is the average humidity in September in Cruzeiro da Fortaleza?
In Cruzeiro da Fortaleza, Brazil, the average relative humidity in September is 51%.
How much does it rain in Cruzeiro da Fortaleza in September?
In Cruzeiro da Fortaleza, Brazil, during September, the rain falls for 8.3 days and regularly aggregates up to 27mm (1.06") of precipitation.
How many hours of daylight does Cruzeiro da Fortaleza have in September?
The average day length in September in Cruzeiro da Fortaleza is 12h and 0min.
What time are sunrise and sunset in September in Cruzeiro da Fortaleza?
In September, on the first day of the month, sunrise is at 06:13 and sunset at 17:59. On the last day of the month, in Cruzeiro da Fortaleza, sunrise is at 05:48 and sunset at 18:04 -03.
What are the months with the most sunshine in Cruzeiro da Fortaleza?
July and September, with an average of 9.4h of sunshine, are months with the most sunshine in Cruzeiro da Fortaleza.
How many hours of sunshine does Cruzeiro da Fortaleza have in September?
In Cruzeiro da Fortaleza, Brazil, the average sunshine duration in September is 9.4h.
When is the highest UV index in Cruzeiro da Fortaleza?
The months with the highest UV index are August and September, with an average maximum UV index of 6.
How high is the UV index in September in Cruzeiro da Fortaleza?
In September, the average daily maximum UV index in Cruzeiro da Fortaleza is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
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
Cruzeiro da Fortaleza, Brazil
  • Average high temperature in September: 29.8°C

The warmest month (with the highest average high temperature) is September (29.8°C).
The month with the lowest average high temperature is May (23.4°C).

  • Average low temperature in September: 16.8°C

The months with the highest average low temperature are October, November and December (18.5°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).

Average pressure in September
Cruzeiro da Fortaleza, Brazil
  • Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).

Average wind speed in September
Cruzeiro da Fortaleza, Brazil
  • Average wind speed in September: 9.7km/h

The windiest months (with the highest average wind speed) are August and September (9.7km/h).
The calmest month (with the lowest average wind speed) is March (6.9km/h).

Average humidity in September
Cruzeiro da Fortaleza, Brazil
  • Average humidity in September: 51%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (51%).

Average rainfall in September
Cruzeiro da Fortaleza, Brazil
  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is December (245mm).
The driest month (with the least rainfall) is August (6mm).

Average rainfall days in September
Cruzeiro da Fortaleza, Brazil
  • Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is December (30 days).
The month with the least rainy days is August (3.4 days).

Average daylight in September /
Average sunshine in September
Cruzeiro da Fortaleza, 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: 11h and 0min).

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are July and September (Average sunshine: 9h and 24min).
The month with the least sunshine is March (Average sunshine: 6h and 42min).

Average sunshine days in September
Cruzeiro da Fortaleza, Brazil
  • Average sunshine days in September: 20.7 days

The month with the most sunshine days is August (26.5 days).
The month with the least sunshine days is December (1 days).

Average UV index in September
Cruzeiro da Fortaleza, Brazil
  • Average UV index in September: 6

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

Average cloud cover in September
Cruzeiro da Fortaleza, Brazil
  • Average cloud cover in September: 19

The month with the most cloud cover is March (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility in September
Cruzeiro da Fortaleza, Brazil
  • Average visibility in September: 10km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).

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