September weather forecastNovais, Brazil

September

Weather in September

September, the first month of the spring in Novais, is a hot month, with temperature in the range of an average high of 31.3°C (88.3°F) and an average low of 18.5°C (65.3°F).

Temperature

As Novais welcomes September, the average high-temperature records at a hot 31.3°C (88.3°F), marking an insignificant deviation from the prior month. In September, the recorded average low-temperature, of 18.5°C (65.3°F), exhibits a significant fall from the daytime highs.

Heat index

The average heat index in September is calculated to be a tropical 34°C (93.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The months with the lowest humidity in Novais, Brazil, are August and September, with an average relative humidity of 54%.

Rainfall

In Novais, in September, during 8.2 rainfall days, 44mm (1.73") of precipitation is typically accumulated. Throughout the year, there are 204.1 rainfall days, and 1207mm (47.52") of precipitation is accumulated.

Daylight

In Novais, the average length of the day in September is 11h and 59min.
On the first day of the month, sunrise is at 06:24 and sunset at 18:06. On the last day of September, sunrise is at 05:56 and sunset at 18:13 -03.

Sunshine

August and September, with an average of 9.4h of sunshine, are months with the most sunshine in Novais.

UV index

The months with the highest UV index in Novais, Brazil, are January through April, June through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 6 translates into these guidelines:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Novais, is 31.3°C (88.3°F), while the low-temperature averages to 18.5°C (65.3°F). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 34°C (93.2°F).

The months with the lowest humidity in Novais, Brazil, are August and September, with an average relative humidity of 54%.

In September, the average relative humidity in Novais, Brazil, is 54%.

In Novais, in September, it is raining for 8.2 days, with typically 44mm (1.73") of accumulated precipitation.

In September, the average day length in Novais is 11h and 59min.

On the first day of September in Novais, Brazil, sunrise is at 06:24 and sunset at 18:06. On the last day of the month, sunrise is at 05:56 and sunset at 18:13 -03.

The months with the most sunshine in Novais, Brazil, are August and September, with an average of 9.4h of sunshine.

In Novais, Brazil, the average sunshine duration in September is 9.4h.

The months with the highest UV index are January through April, June through December, with an average maximum UV index of 6.

In September, the average daily maximum UV index in Novais is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

28.8°C

31.3°C

31.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.7km/h

11.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

26.6

20.6

12.3

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Novais, Brazil

Average high temperature in September: 31.3°C

The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is June (24.7°C).

Average low temperature in September: 18.5°C

The month with the highest average low temperature is December (21°C).
The coldest month (with the lowest average low temperature) is June (15.3°C).

Average pressure in September
Novais, Brazil

Average pressure in September: 1014.4mbar

The month with the highest atmospheric pressure is July (1018.3mbar).
The months with the lowest atmospheric pressure are November and December (1010.4mbar).

Average wind speed in September
Novais, Brazil

Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is August (10.6km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).

Average humidity in September
Novais, Brazil

Average humidity in September: 54%

The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are August and September (54%).

Average rainfall in September
Novais, Brazil

Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is January (226mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in September
Novais, Brazil

Average rainfall days in September: 8.2 days

The month with the highest number of rainy days is January (28.7 days).
The month with the least rainy days is August (3.9 days).

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

Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

Average sunshine in September: 9h and 24min

The months with the most sunshine are August and September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in September
Novais, Brazil

Average sunshine days in September: 20.6 days

The month with the most sunshine days is August (26.6 days).
The month with the least sunshine days is February (1.3 days).

Average UV index in September
Novais, Brazil

Average UV index in September: 6

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

Average cloud cover in September
Novais, Brazil

Average cloud cover in September: 18

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in September
Novais, 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 (8km).