September weather forecast
Grupiara, Brazil

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Weather in September

September, the first month of the spring in Grupiara, is a tropical month, with an average temperature varying between 18°C (64.4°F) and 30.7°C (87.3°F).

Temperature

Grupiara registers the highest average temperatures during the month of September, with peaks of 30.7°C (87.3°F) and lows of 18°C (64.4°F).

Heat index

In September, the average heat index is estimated at a hot 32°C (89.6°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
Understand that the heat index values take into account shaded locations and mild winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', quantifies the warmth felt when relative humidity is considered. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. 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

The least humid month in Grupiara is September, with an average relative humidity of 49%.

Rainfall

In Grupiara, in September, during 6.8 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, there are 200 rainfall days, and 1172mm (46.14") of precipitation is accumulated.

Daylight

In September, the average length of the day in Grupiara is 12h and 0min.
On the first day of the month, sunrise is at 06:17 and sunset at 18:03. On the last day of September, in Grupiara, sunrise is at 05:52 and sunset at 18:08 -03.

Sunshine

With an average of 9.6h of sunshine, September has the most sunshine of the year in Grupiara, Brazil.

UV index

The months with the highest UV index are January, March, August through October, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Feb 1, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the warmest month in Grupiara?

Grupiara's temperature records reveal September as the warmest month, marked by average highs of 30.7°C (87.3°F) and lows of 18°C (64.4°F).

Is it hot in Grupiara during September?

During September, Grupiara experiences an average high-temperature of 30.7°C (87.3°F) and a low-temperature of 18°C (64.4°F). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 32°C (89.6°F).

What is the least humid month in Grupiara?

September is the least humid month, with an average relative humidity of 49%.

What is the average humidity in September in Grupiara?

The average relative humidity in September in Grupiara is 49%.

How much does it rain in Grupiara in September?

In Grupiara, Brazil, in September, during 6.8 rainfall days, 18mm (0.71") of precipitation is typically accumulated.

What is the average length of the day in September in Grupiara?

In September, the average day length in Grupiara is 12h and 0min.

When is the sunrise / sunset in September in Grupiara?

On the first day of September in Grupiara, Brazil, sunrise is at 06:17 and sunset at 18:03. On the last day of the month, sunrise is at 05:52 and sunset at 18:08 -03.

What month has the most sunshine in Grupiara?

September has the most sunshine of the year, with an average of 9.6h of sunshine.

How many hours of sunshine does Grupiara have in September?

In September, the average sunshine duration in Grupiara, Brazil, is 9.6h.

What is the month with the highest UV index in Grupiara?

January, March, August through October, with an average maximum UV index of 6, are months with the highest UV index in Grupiara.

What is the UV index intensity in September in Grupiara?

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

Average temperature in September
Grupiara, Brazil

Average temperature in September - Grupiara, Brazil
  • Average high temperature in September: 30.7°C

The warmest month (with the highest average high temperature) is September (30.7°C).
The month with the lowest average high temperature is June (24.4°C).

  • Average low temperature in September: 18°C

The month with the highest average low temperature is October (19.1°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).

Average pressure in September
Grupiara, Brazil

Average pressure in September - Grupiara, Brazil
  • Average pressure in September: 1015mbar

The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

Average wind speed in September
Grupiara, Brazil

Average wind speed in September - Grupiara, Brazil
  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is August (9.8km/h).
The calmest month (with the lowest average wind speed) is March (6.9km/h).

Average humidity in September
Grupiara, Brazil

Average humidity in September - Grupiara, Brazil
  • Average humidity in September: 49%

The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (49%).

Average rainfall in September
Grupiara, Brazil

Average rainfall in September - Grupiara, Brazil
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is December (205mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in September
Grupiara, Brazil

Average rainfall days in September - Grupiara, Brazil
  • Average rainfall days in September: 6.8 days

The month with the highest number of rainy days is December (28.9 days).
The month with the least rainy days is August (2.6 days).

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

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

The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is September (Average sunshine: 9h and 36min).
The month with the least sunshine is March (Average sunshine: 7h and 6min).

Average sunshine days in September
Grupiara, Brazil

Average sunshine days in September - Grupiara, Brazil
  • Average sunshine days in September: 22.3 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is December (1.6 days).

Average UV index in September
Grupiara, Brazil

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

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

Average cloud cover in September
Grupiara, Brazil

Average cloud cover in September - Grupiara, Brazil
  • Average cloud cover in September: 17

The month with the most cloud cover is March (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in September
Grupiara, Brazil

Average visibility in September - Grupiara, 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).

Grupiara, Brazil

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