September weather forecastPasso do Sabão, Brazil

September

Weather in September

September, the first month of the spring in Passo do Sabão, is also an agreeable month, with an average temperature fluctuating between 13.5°C (56.3°F) and 21.9°C (71.4°F).

Temperature

In September, Passo do Sabão experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 20.9°C (69.6°F) in August to a still agreeable 21.9°C (71.4°F). In Passo do Sabão, in September, the average low-temperature is a mild 13.5°C (56.3°F).

Humidity

May through July and September, with an average relative humidity of 80%, are the most humid months in Passo do Sabão.

Rainfall

In September, the rain falls for 14.2 days. Throughout September, 70mm (2.76") of precipitation is accumulated. In Passo do Sabão, during the entire year, the rain falls for 163.2 days and collects up to 918mm (36.14") of precipitation.

Daylight

In September, the average length of the day is 11h and 56min.
On the first day of the month, sunrise is at 06:38 and sunset at 18:09. On the last day of September, sunrise is at 06:02 and sunset at 18:25 -03.

Sunshine

With an average of 7.1h of sunshine, September has the least sunshine of the year in Passo do Sabão.

UV index

In Passo do Sabão, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Updated: Jun 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during September are 21.9°C (71.4°F) and 13.5°C (56.3°F) respectively. In March, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 30°C (86°F).

The months with the highest humidity are May through July and September, with an average relative humidity of 80%.

In Passo do Sabão, the average relative humidity in September is 80%.

In Passo do Sabão, during September, the rain falls for 14.2 days and regularly aggregates up to 70mm (2.76") of precipitation.

In September, the average day length is 11h and 56min.

On the first day of September, sunrise is at 06:38 and sunset at 18:09. On the last day of the month, sunrise is at 06:02 and sunset at 18:25 -03.

September has the least sunshine of the year, with an average of 7.1h of sunshine.

In Passo do Sabão, the average sunshine duration in September is 7.1h.

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to 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

20.9°C

21.9°C

24.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.2km/h

13.7km/h

14.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

17.2

14.5

14.3

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Passo do Sabão, Brazil

Average high temperature in September: 21.9°C

The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (18.6°C).

Average low temperature in September: 13.5°C

The month with the highest average low temperature is February (20.5°C).
The coldest month (with the lowest average low temperature) is July (11.1°C).

Average pressure in September
Passo do Sabão, Brazil

Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).

Average wind speed in September
Passo do Sabão, Brazil

Average wind speed in September: 13.2km/h

The windiest month (with the highest average wind speed) is October (13.3km/h).
The calmest month (with the lowest average wind speed) is May (11.1km/h).

Average humidity in September
Passo do Sabão, Brazil

Average humidity in September: 80%

The months with the highest relative humidity are May, June, July and September (80%).
The month with the lowest relative humidity is December (72%).

Average rainfall in September
Passo do Sabão, Brazil

Average rainfall in September: 70mm

The wettest month (with the highest rainfall) is July (103mm).
The driest month (with the least rainfall) is April (54mm).

Average rainfall days in September
Passo do Sabão, Brazil

Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is June (11.1 days).

Average daylight in September /
Average sunshine in September
Passo do Sabão, Brazil

Average daylight in September: 11h and 54min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 12min).

Average sunshine in September: 7h and 6min

The months with the most sunshine are January, November and December (Average sunshine: 8h and 18min).
The month with the least sunshine is September (Average sunshine: 7h and 6min).

Average sunshine days in September
Passo do Sabão, Brazil

Average sunshine days in September: 14.5 days

The month with the most sunshine days is July (18.1 days).
The month with the least sunshine days is February (11.2 days).

Average UV index in September
Passo do Sabão, Brazil

Average UV index in September: 5

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

Average cloud cover in September
Passo do Sabão, Brazil

Average cloud cover in September: 40

The month with the most cloud cover is September (Cloud cover 40).
The month with the least cloud cover is November (Cloud cover 31).

Average visibility in September
Passo do Sabão, Brazil

Average visibility in September: 9km

The month with the highest visibility is February (10km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).