September weather forecastPonta do Mutá, Brazil

September

Weather in September

September, the first month of the spring in Ponta do Mutá, is still a warm month, with an average temperature varying between 16.8°C (62.2°F) and 26.9°C (80.4°F).

Temperature

The transition from August to September sees an average high-temperature of a still warm 26.9°C (80.4°F), indicating a minor variance from the prior month. An average minimum temperature of 16.8°C (62.2°F) marks the month of September.

Humidity

In Ponta do Mutá, the average relative humidity in September is 83%.

Rainfall

September is the month with the least rainfall. Rain falls for 20 days and accumulates 27mm (1.06") of precipitation.

Sea temperature

July through October, with an average sea temperature of 26°C (78.8°F), are months with the coldest seawater.
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

The average length of the day in September is 12h and 2min.
On the first day of the month, sunrise is at 05:39 and sunset at 17:31. On the last day of September, sunrise is at 05:18 and sunset at 17:32 -03.

Sunshine

The average sunshine in September is 5.7h.

UV index

January through May, September through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 in September translates into this advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Alert! UV radiation becomes sharper due to reflections from sand and water.

Updated: Jun 20, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during September is 26.9°C (80.4°F) and the low-temperature is 16.8°C (62.2°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in May is estimated at 32°C (89.6°F).

The average relative humidity in September is 83%.

September is the month with the least rainfall in Ponta do Mutá. Rain falls for 20 days and accumulates 27mm (1.06") of precipitation.

In September, the rain falls for 20 days. Throughout September, 27mm (1.06") of precipitation is accumulated.

The months with the coldest seawater are July through October, with an average sea temperature of 26°C (78.8°F).

In Ponta do Mutá, in September, the average water temperature is 26°C (78.8°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

In Ponta do Mutá, the average day length in September is 12h and 2min.

In September, on the first day of the month, sunrise is at 05:39 and sunset at 17:31. On the last day of the month, sunrise is at 05:18 and sunset at 17:32 -03.

In Ponta do Mutá, the average sunshine duration in September is 5.7h.

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

In Ponta do Mutá, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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

26°C

26.9°C

28.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.3km/h

7.8km/h

8.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

21.8

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

4.6

5.1

5.2

Average UV index

Average cloud cover

71%

67%

Average visibility

6km

Average temperature in September
Ponta do Mutá, Brazil

Average high temperature in September: 26.9°C

The warmest months (with the highest average high temperature) are February and March (30.8°C).
The month with the lowest average high temperature is July (25.6°C).

Average low temperature in September: 16.8°C

The month with the highest average low temperature is March (19.8°C).
The coldest month (with the lowest average low temperature) is August (16.3°C).

Average pressure in September
Ponta do Mutá, Brazil

Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is December (1013mbar).

Average wind speed in September
Ponta do Mutá, Brazil

Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is October (7.3km/h).
The calmest month (with the lowest average wind speed) is April (6km/h).

Average humidity in September
Ponta do Mutá, Brazil

Average humidity in September: 83%

The months with the highest relative humidity are June and July (87%).
The month with the lowest relative humidity is February (81%).

Average rainfall in September
Ponta do Mutá, Brazil

Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is March (69mm).
The driest month (with the least rainfall) is September (27mm).

Average rainfall days in September
Ponta do Mutá, Brazil

Average rainfall days in September: 20 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is February (16.2 days).

Average sea temperature in September
Ponta do Mutá, Brazil

Average sea temperature in September: 26°C

The best months for swimming (with the highest average sea temperature) are January, February, March, April and May (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (26°C).

Average daylight in September /
Average sunshine in September
Ponta do Mutá, Brazil

Average daylight in September: 12h and 0min

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

Average sunshine in September: 5h and 42min

The months with the most sunshine are January and February (Average sunshine: 8h and 6min).
The months with the least sunshine are June and July (Average sunshine: 4h and 42min).

Average sunshine days in September
Ponta do Mutá, Brazil

Average sunshine days in September: 5.1 days

The month with the most sunshine days is January (8.3 days).
The month with the least sunshine days is July (4.3 days).

Average UV index in September
Ponta do Mutá, Brazil

Average UV index in September: 6

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

Average cloud cover in September
Ponta do Mutá, Brazil

Average cloud cover in September: 67

The months with the most cloud cover are May, June and July (Cloud cover 72).
The months with the least cloud cover are January and February (Cloud cover 63).

Average visibility in September
Ponta do Mutá, Brazil

Average visibility in September: 6km

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