September weather forecast
Surubim, Brazil

September

Weather in September

The first month of the spring, September, is still a warm month in Surubim, Brazil, with an average temperature fluctuating between 28.2°C (82.8°F) and 18.6°C (65.5°F).

Temperature

Surubim's shift from August to September is accompanied by an average high-temperature of a still warm 28.2°C (82.8°F), a slight deviation from 27.3°C (81.1°F). During September, Surubim's temperature falls to a steady low-temperature average of 18.6°C (65.5°F).

Heat index

The heat index for September is computed to be a tropical 32°C (89.6°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
The metrics for the heat index are tailored for both shady environments and light winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.

Humidity

In Surubim, the average relative humidity in September is 79%.

Rainfall

In Surubim, in September, during 14.2 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, in Surubim, there are 203.9 rainfall days, and 339mm (13.35") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:23 and sunset at 17:21. On the last day of the month, sunrise is at 05:07 and sunset at 17:17 -03.

Sunshine

In Surubim, the average sunshine in September is 6.9h.

UV index

In Surubim, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

How hot is it in Surubim in September?
The high-temperature in Surubim during September is 28.2°C (82.8°F) and the low-temperature is 18.6°C (65.5°F). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 32°C (89.6°F).
What is the average humidity in September in Surubim?
In September, the average relative humidity is 79%.
How many days does it rain in September in Surubim?
In Surubim, Brazil, in September, it is raining for 14.2 days, with typically 11mm (0.43") of accumulated precipitation.
How many hours of daylight does Surubim have in September?
In Surubim, the average day length in September is 12h and 4min.
When is the sunrise / sunset in September in Surubim?
In September, on the first day of the month, sunrise is at 05:23 and sunset at 17:21. On the last day of the month, in Surubim, sunrise is at 05:07 and sunset at 17:17 -03.
How long on average sun shines in September in Surubim?
In Surubim, the average sunshine duration in September is 6.9h.
What is the UV index intensity in September in Surubim?
In Surubim, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high 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 - Surubim, Brazil
Average temperature in September
Surubim, Brazil
  • Average high temperature in September: 28.2°C

The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is July (26.6°C).

  • Average low temperature in September: 18.6°C

The month with the highest average low temperature is February (21.9°C).
The coldest month (with the lowest average low temperature) is August (18.1°C).

Average pressure in September - Surubim, Brazil
Average pressure in September
Surubim, Brazil
  • Average pressure in September: 1015.8mbar

The month with the highest atmospheric pressure is August (1016.5mbar).
The months with the lowest atmospheric pressure are February and March (1012.1mbar).

Average wind speed in September - Surubim, Brazil
Average wind speed in September
Surubim, Brazil
  • Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is October (13.1km/h).
The calmest month (with the lowest average wind speed) is April (9.1km/h).

Average humidity in September - Surubim, Brazil
Average humidity in September
Surubim, Brazil
  • Average humidity in September: 79%

The months with the highest relative humidity are June and July (86%).
The month with the lowest relative humidity is December (71%).

Average rainfall in September - Surubim, Brazil
Average rainfall in September
Surubim, Brazil
  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is April (54mm).
The driest month (with the least rainfall) is November (10mm).

Average rainfall days in September - Surubim, Brazil
Average rainfall days in September
Surubim, Brazil
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is November (12.5 days).

Average daylight in September / Average sunshine in September - Surubim, Brazil
Average daylight in September /
Average sunshine in September
Surubim, Brazil
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is March (Average sunshine: 7h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 36min).

Average sunshine days in September - Surubim, Brazil
Average sunshine days in September
Surubim, Brazil
  • Average sunshine days in September: 7.9 days

The month with the most sunshine days is December (8.4 days).
The month with the least sunshine days is July (6.1 days).

Average UV index in September - Surubim, Brazil
Average UV index in September
Surubim, Brazil
  • Average UV index in September: 6

The months with the highest UV index are February, March and December (UV index 7).
The month with the lowest UV index is July (UV index 5).

Average cloud cover in September - Surubim, Brazil
Average cloud cover in September
Surubim, Brazil
  • Average cloud cover in September: 53

The month with the most cloud cover is July (Cloud cover 66).
The month with the least cloud cover is November (Cloud cover 46).

Average visibility in September - Surubim, Brazil
Average visibility in September
Surubim, Brazil
  • Average visibility in September: 8km

The month with the highest visibility is December (10km).
The months with the lowest visibility are May, June, July and August (6km).

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