September weather forecastGiruá, Brazil

September

Weather in September

The first month of the spring, September, is a moderately hot month in Giruá, Brazil, with an average temperature fluctuating between 13.1°C (55.6°F) and 23.5°C (74.3°F).

Temperature

September denotes a minimal variation in the average high-temperature to a warm 23.5°C (74.3°F) from August's 21.4°C (70.5°F). Giruá records an average temperature drop to a moderate 13.1°C (55.6°F) in September.

Humidity

In Giruá, Brazil, the average relative humidity in September is 81%.

Rainfall

In September, the rain falls for 11.8 days. Throughout September, 74mm (2.91") of precipitation is accumulated. In Giruá, during the entire year, the rain falls for 165.6 days and collects up to 1213mm (47.76") of precipitation.

Daylight

The average length of the day in September is 11h and 56min.
On the first day of the month, sunrise is at 06:50 and sunset at 18:24. On the last day of September, sunrise is at 06:16 and sunset at 18:37 -03.

Sunshine

In Giruá, the average sunshine in September is 7.8h.

UV index

In September, the average daily maximum UV index in Giruá, Brazil, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

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

Frequently asked questions

In September, the average high-temperature and low-temperature in Giruá, Brazil, are 23.5°C (74.3°F) and 13.1°C (55.6°F) respectively. In March, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 33°C (91.4°F).

In Giruá, the average relative humidity in September is 81%.

In Giruá, Brazil, in September, it is raining for 11.8 days, with typically 74mm (2.91") of accumulated precipitation.

The average day length in September in Giruá is 11h and 56min.

In September, on the first day of the month, sunrise is at 06:50 and sunset at 18:24. On the last day of the month, in Giruá, sunrise is at 06:16 and sunset at 18:37 -03.

The average sunshine duration in September in Giruá is 7.8h.

In Giruá, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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

21.4°C

23.5°C

26.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.6km/h

9.8km/h

10.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

18.5

16.7

15.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Giruá, Brazil

Average high temperature in September: 23.5°C

The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (18.7°C).

Average low temperature in September: 13.1°C

The month with the highest average low temperature is January (19.5°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).

Average pressure in September
Giruá, Brazil

Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).

Average wind speed in September
Giruá, Brazil

Average wind speed in September: 9.4km/h

The windiest month (with the highest average wind speed) is August (10km/h).
The calmest month (with the lowest average wind speed) is March (7.7km/h).

Average humidity in September
Giruá, Brazil

Average humidity in September: 81%

The months with the highest relative humidity are June and July (87%).
The months with the lowest relative humidity are November and December (74%).

Average rainfall in September
Giruá, Brazil

Average rainfall in September: 74mm

The wettest month (with the highest rainfall) is October (140mm).
The driest month (with the least rainfall) is August (63mm).

Average rainfall days in September
Giruá, Brazil

Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is August (10.9 days).

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

Average daylight in September: 11h and 54min

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

Average sunshine in September: 7h and 48min

The months with the most sunshine are January and November (Average sunshine: 8h and 42min).
The month with the least sunshine is June (Average sunshine: 6h and 54min).

Average sunshine days in September
Giruá, Brazil

Average sunshine days in September: 16.7 days

The month with the most sunshine days is August (18.5 days).
The month with the least sunshine days is February (10.8 days).

Average UV index in September
Giruá, Brazil

Average UV index in September: 5

The months with the highest UV index are January, February, March, October, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).