September weather forecastIguape, Brazil

September

Weather in September

The first month of the spring, September, is still a pleasant month in Iguape, Brazil, with an average temperature fluctuating between 22.9°C (73.2°F) and 16.2°C (61.2°F).

Temperature

The transition from August to September brings an average high-temperature of an agreeable 22.9°C (73.2°F), barely different from August's 23°C (73.4°F). During the nights in September, the temperature in Iguape averages to a refreshing 16.2°C (61.2°F).

Humidity

The most humid month in Iguape is September, with an average relative humidity of 86.3%.

Rainfall

In Iguape, Brazil, in September, it is raining for 11 days, with typically 121mm (4.76") of accumulated precipitation. Throughout the year, in Iguape, Brazil, there are 136 rainfall days, and 1976mm (77.8") of precipitation is accumulated.

Sea temperature

The month with the coldest seawater is September, with an average sea temperature of 19.8°C (67.6°F).
Note: A surface water temperature of 19.8°C (67.6°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).

Daylight

The average length of the day in September is 11h and 58min.
On the first day of the month, sunrise is at 06:20 and sunset at 17:59. On the last day of September, in Iguape, sunrise is at 05:50 and sunset at 18:09 -03.

Sunshine

The month with the least sunshine in Iguape is September, with an average of 2.4h of sunshine.

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

Frequently asked questions

September temperatures in Iguape vary between a high-temperature of 22.9°C (73.2°F) and a low-temperature of 16.2°C (61.2°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in March is appraised at 35°C (95°F).

The most humid month in Iguape, Brazil, is September, with an average relative humidity of 86.3%.

In September, the average relative humidity in Iguape is 86.3%.

In Iguape, in September, during 11 rainfall days, 121mm (4.76") of precipitation is typically accumulated.

September is the month with the coldest seawater in Iguape, Brazil, with an average sea temperature of 19.8°C (67.6°F).

In September, the average sea temperature in Iguape, Brazil, is 19.8°C (67.6°F). For swimming, a surface water temperature of 19.8°C (67.6°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In September, the average day length is 11h and 58min.

In September, on the first day of the month, sunrise is at 06:20 and sunset at 17:59. On the last day of the month, in Iguape, sunrise is at 05:50 and sunset at 18:09 -03.

September has the least sunshine of the year in Iguape, Brazil, with an average of 2.4h of sunshine.

In September, the average sunshine duration in Iguape, Brazil, is 2.4h.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23°C

22.9°C

24.6°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average temperature in September
Iguape, Brazil

Average high temperature in September: 22.9°C

The warmest month (with the highest average high temperature) is February (29.9°C).
The month with the lowest average high temperature is July (22.7°C).

Average low temperature in September: 16.2°C

The month with the highest average low temperature is February (21.9°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).

Average humidity in September
Iguape, Brazil

Average humidity in September: 86.3%

The month with the highest relative humidity is September (86.3%).
The month with the lowest relative humidity is December (82.2%).

Average rainfall in September
Iguape, Brazil

Average rainfall in September: 121.3mm

The wettest month (with the highest rainfall) is March (262.7mm).
The driest month (with the least rainfall) is August (94.4mm).

Average rainfall days in September
Iguape, Brazil

Average rainfall days in September: 11 days

The month with the highest number of rainy days is December (14 days).
The months with the least rainy days are June, July and August (9 days).

Average sea temperature in September
Iguape, Brazil

Average sea temperature in September: 19.8°C

The best month for swimming (with the highest average sea temperature) is February (27.2°C).
The coldest month (with the lowest average sea temperature) is September (19.8°C).

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

Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 13h and 36min).
The month with the shortest days is June (Average daylight: 10h and 36min).

Average sunshine in September: 2h and 24min

The month with the most sunshine is January (Average sunshine: 5h and 12min).
The month with the least sunshine is September (Average sunshine: 2h and 24min).