Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The weather during September records an average high-temperature of an agreeable 20.9°C (69.6°F), closely mirroring the preceding month. Itapema logs an average low-temperature of 16.3°C (61.3°F) during the nights of September, subtly lower than its daytime highs.Humidity
The months with the highest humidity in Itapema are September and October, with an average relative humidity of 85%.Rainfall
In Itapema, Brazil, during September, the rain falls for 10.8 days and regularly aggregates up to 19mm (0.75") of precipitation. In Itapema, Brazil, during the entire year, the rain falls for 156.8 days and collects up to 395mm (15.55") of precipitation.Sea temperature
In September, the average sea temperature is 18.8°C (65.8°F).Note: The majority of individuals find swimming in 18.8°C (65.8°F) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day is 11h and 57min.On the first day of September in Itapema, Brazil, sunrise is at 06:26 and sunset at 18:01. On the last day of the month, sunrise is at 05:53 and sunset at 18:14 -03.
Sunshine
The average sunshine in September in Itapema, Brazil, is 6.4h.UV index
April through November, with an average maximum UV index of 5, are months with the lowest UV index in Itapema. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What are the temperatures in Itapema in September?
What are the most humid months in Itapema?
What is the average humidity in September in Itapema?
How much does it rain in Itapema in September?
What is the sea temperature in September in Itapema?
How many hours of daylight does Itapema have in September?
When is the sunrise / sunset in September in Itapema?
How long on average sun shines in September in Itapema?
What are the months with the lowest UV index in Itapema?
What is the UV index intensity in September in Itapema?
Average temperature in September
Itapema, Brazil
- Average high temperature in September: 20.9°C
The warmest month (with the highest average high temperature) is January (27.5°C).
The month with the lowest average high temperature is July (19.3°C).
- Average low temperature in September: 16.3°C
The month with the highest average low temperature is February (22.3°C).
The coldest month (with the lowest average low temperature) is July (14.3°C).
Average pressure in September
Itapema, Brazil
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in September
Itapema, Brazil
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is November (12.7km/h).
The calmest month (with the lowest average wind speed) is June (10.9km/h).
Average humidity in September
Itapema, Brazil
- Average humidity in September: 85%
The months with the highest relative humidity are September and October (85%).
The month with the lowest relative humidity is April (82%).
Average rainfall in September
Itapema, Brazil
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is February (61mm).
The driest month (with the least rainfall) is July (14mm).
Average rainfall days in September
Itapema, Brazil
- Average rainfall days in September: 10.8 days
The months with the highest number of rainy days are March and December (16.8 days).
The month with the least rainy days is August (9.8 days).
Average sea temperature in September
Itapema, Brazil
- Average sea temperature in September: 18.8°C
The best months for swimming (with the highest average sea temperature) are January and February (26°C).
The coldest months (with the lowest average sea temperature) are July and August (18.6°C).
Average daylight in September /
Average sunshine in September
Itapema, Brazil
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is April (Average sunshine: 7h and 30min).
The month with the least sunshine is October (Average sunshine: 5h and 48min).
Average sunshine days in September
Itapema, Brazil
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (18 days).
The month with the least sunshine days is March (11.1 days).
Average UV index in September
Itapema, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 5).
Average cloud cover in September
Itapema, Brazil
- Average cloud cover in September: 53
The month with the most cloud cover is October (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in September
Itapema, Brazil
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May and June (10km).
The months with the lowest visibility are July, August, September, October, November and December (9km).
Itapema, Brazil
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