September weather forecastCaapiranga, Brazil

September

Weather in September

September, the first month of the spring in Caapiranga, is a very hot month, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 35.5°C (95.9°F).

Temperature

Caapiranga's September weather reaches an average high of 35.5°C (95.9°F) and an average low of 23.8°C (74.8°F), making it the warmest month.

Heat index

September's heat index is estimated at a burning hot 48°C (118.4°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.
It is important to note that the heat index values are for shaded areas and light wind scenarios. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

With an average relative humidity of 62%, September is the least humid month.

Rainfall

In September, the rain falls for 14.7 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Caapiranga, during the entire year, the rain falls for 269.3 days and collects up to 1638mm (64.49") of precipitation.

Daylight

The average length of the day in September is 12h and 5min.
On the first day of the month, sunrise is at 06:03 and sunset at 18:06. On the last day of September, sunrise is at 05:50 and sunset at 17:58 -04.

Sunshine

With an average of 10h of sunshine, September has the most sunshine of the year.

UV index

February, June through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 7 in September leads to these recommendations:
Shield from overexposure. Defense against sun-related harm is required. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

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

Frequently asked questions

September, recording an average high temperature of 35.5°C (95.9°F) and a low temperature of 23.8°C (74.8°F), is Caapiranga's warmest month.

The high-temperature, in September, in Caapiranga, records 35.5°C (95.9°F), while the low-temperature is 23.8°C (74.8°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 48°C (118.4°F).

September is the least humid month in Caapiranga, with an average relative humidity of 62%.

The average relative humidity in September in Caapiranga, Brazil, is 62%.

In Caapiranga, in September, during 14.7 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

The average day length in September in Caapiranga, Brazil, is 12h and 5min.

On the first day of September in Caapiranga, Brazil, sunrise is at 06:03 and sunset at 18:06. On the last day of the month, sunrise is at 05:50 and sunset at 17:58 -04.

With an average of 10h of sunshine, September has the most sunshine of the year in Caapiranga, Brazil.

In Caapiranga, the average sunshine duration in September is 10h.

February, June through November, with an average maximum UV index of 7, are months with the highest UV index in Caapiranga, Brazil.

In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health 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

34.7°C

35.5°C

35.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.2km/h

5.1km/h

5.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

18.7

13.5

10.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Caapiranga, Brazil

Average high temperature in September: 35.5°C

The warmest month (with the highest average high temperature) is September (35.5°C).
The month with the lowest average high temperature is April (29.8°C).

Average low temperature in September: 23.8°C

The month with the highest average low temperature is October (24.9°C).
The coldest month (with the lowest average low temperature) is July (22.6°C).

Average pressure in September
Caapiranga, Brazil

Average pressure in September: 1009.9mbar

The month with the highest atmospheric pressure is June (1012mbar).
The month with the lowest atmospheric pressure is November (1007.8mbar).

Average wind speed in September
Caapiranga, Brazil

Average wind speed in September: 4.8km/h

The windiest month (with the highest average wind speed) is February (5km/h).
The calmest month (with the lowest average wind speed) is May (4.1km/h).

Average humidity in September
Caapiranga, Brazil

Average humidity in September: 62%

The month with the highest relative humidity is April (90%).
The month with the lowest relative humidity is September (62%).

Average rainfall in September
Caapiranga, Brazil

Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is April (281mm).
The driest month (with the least rainfall) is August (21mm).

Average rainfall days in September
Caapiranga, Brazil

Average rainfall days in September: 14.7 days

The month with the highest number of rainy days is March (28.8 days).
The month with the least rainy days is August (10.3 days).

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

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

Average sunshine in September: 10h and 0min

The month with the most sunshine is September (Average sunshine: 10h and 0min).
The month with the least sunshine is May (Average sunshine: 5h and 30min).

Average sunshine days in September
Caapiranga, Brazil

Average sunshine days in September: 13.5 days

The month with the most sunshine days is August (18.7 days).
The month with the least sunshine days is April (0.9 days).

Average UV index in September
Caapiranga, Brazil

Average UV index in September: 7

The months with the highest UV index are February, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, March, April, May and December (UV index 6).