September weather forecastSerrinha, Brazil

September

Weather in September

September, the first month of the spring in Serrinha, is still a warm month, with an average temperature varying between 18.4°C (65.1°F) and 29.3°C (84.7°F).

Temperature

The shift into September uncovers an average high-temperature of a still moderately hot 29.3°C (84.7°F), subtly different from the previous month. The nighttime temperature dips to an enjoyable 18.4°C (65.1°F) on average during September.

Heat index

Throughout September, the heat index is appraised at a tropical 34°C (93.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. 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 'feels like' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in September is 74%.

Rainfall

The month with the least rainfall in Serrinha is September, when the rain falls for 13.4 days and typically collects 12mm (0.47") of precipitation.

Daylight

In September, the average length of the day in Serrinha is 12h and 2min.
On the first day of September, sunrise is at 05:38 and sunset at 17:32. On the last day of the month, sunrise is at 05:19 and sunset at 17:31 -03.

Sunshine

In September, the average sunshine in Serrinha is 6.4h.

UV index

In Serrinha, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 in September translates into these instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

In September, in Serrinha, the average high-temperature is 29.3°C (84.7°F), and the average low-temperature is 18.4°C (65.1°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is appraised at 34°C (93.2°F).

In Serrinha, Brazil, the average relative humidity in September is 74%.

The month with the least rainfall in Serrinha, Brazil, is September, when the rain falls for 13.4 days and typically collects 12mm (0.47") of precipitation.

In Serrinha, Brazil, during September, the rain falls for 13.4 days and regularly aggregates up to 12mm (0.47") of precipitation.

In September, the average day length in Serrinha, Brazil, is 12h and 2min.

On the first day of September in Serrinha, sunrise is at 05:38 and sunset at 17:32. On the last day of the month, sunrise is at 05:19 and sunset at 17:31 -03.

The average sunshine duration in September is 6.4h.

The average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Serrinha, Brazil

  • Average high temperature in September: 29.3°C

The warmest month (with the highest average high temperature) is March (32.8°C).
The month with the lowest average high temperature is July (26.9°C).

  • Average low temperature in September: 18.4°C

The months with the highest average low temperature are February and March (21.9°C).
The coldest month (with the lowest average low temperature) is August (17.6°C).

Average pressure in September
Serrinha, Brazil

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is July (1018.2mbar).
The months with the lowest atmospheric pressure are March and December (1012.2mbar).

Average wind speed in September
Serrinha, Brazil

  • Average wind speed in September: 14.5km/h

The windiest month (with the highest average wind speed) is October (14.8km/h).
The calmest month (with the lowest average wind speed) is April (11.6km/h).

Average humidity in September
Serrinha, Brazil

  • Average humidity in September: 74%

The month with the highest relative humidity is June (83%).
The months with the lowest relative humidity are February, November and December (69%).

Average rainfall in September
Serrinha, Brazil

  • Average rainfall in September: 12mm

The wettest month (with the highest rainfall) is March (45mm).
The driest month (with the least rainfall) is September (12mm).

Average rainfall days in September
Serrinha, Brazil

  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is December (12.1 days).

Average daylight in September /
Average sunshine in September
Serrinha, Brazil

  • Average daylight in September: 12h and 0min

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 September: 6h and 24min

The month with the most sunshine is January (Average sunshine: 9h and 24min).
The months with the least sunshine are May and June (Average sunshine: 4h and 42min).

Average sunshine days in September
Serrinha, Brazil

  • Average sunshine days in September: 12.5 days

The month with the most sunshine days is December (16 days).
The month with the least sunshine days is June (9.2 days).

Average UV index in September
Serrinha, Brazil

  • Average UV index in September: 6

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

Average cloud cover in September
Serrinha, Brazil

  • Average cloud cover in September: 51

The months with the most cloud cover are May and June (Cloud cover 65).
The months with the least cloud cover are February and March (Cloud cover 43).

Average visibility in September
Serrinha, Brazil

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, October, November and December (9km).
The months with the lowest visibility are May, June, July and August (7km).