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 shift into September records an average high-temperature of a warm 23.3°C (73.9°F), subtly varied from August's 22.3°C (72.1°F). Guaratuba's average low-temperature for the month of September records at a refreshing 15.7°C (60.3°F).Humidity
In Guaratuba, Brazil, the average relative humidity in September is 84%.Rainfall
In Guaratuba, in September, it is raining for 15.2 days, with typically 59mm (2.32") of accumulated precipitation. In Guaratuba, during the entire year, the rain falls for 204.4 days and collects up to 1031mm (40.59") of precipitation.Sea temperature
In Guaratuba, the average seawater temperature in September is 18.9°C (66°F).Note: Swimming in 18.9°C (66°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
Daylight
In Guaratuba, the average length of the day in September is 11h and 57min.On the first day of the month, sunrise is at 06:25 and sunset at 18:02. On the last day of September, in Guaratuba, sunrise is at 05:54 and sunset at 18:13 -03.
Sunshine
In September, the average sunshine is 6.5h.UV index
The months with the lowest UV index in Guaratuba are April through October, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the temperature in September in Guaratuba?
What is the average humidity in September in Guaratuba?
How much does it rain in Guaratuba in September?
What is the sea temperature in September in Guaratuba?
What is the average length of the day in September in Guaratuba?
When is the sunrise / sunset in September in Guaratuba?
How long on average sun shines in September in Guaratuba?
What is the month with the lowest UV index in Guaratuba?
What is the UV index intensity in September in Guaratuba?
Average temperature in September
Guaratuba, Brazil
- Average high temperature in September: 23.3°C
The warmest month (with the highest average high temperature) is January (29.4°C).
The month with the lowest average high temperature is July (21.3°C).
- Average low temperature in September: 15.7°C
The month with the highest average low temperature is January (21.3°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in September
Guaratuba, Brazil
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in September
Guaratuba, Brazil
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is November (7km/h).
The calmest months (with the lowest average wind speed) are June, July and August (5.9km/h).
Average humidity in September
Guaratuba, Brazil
- Average humidity in September: 84%
The months with the highest relative humidity are May, June and July (85%).
The months with the lowest relative humidity are January, February and December (82%).
Average rainfall in September
Guaratuba, Brazil
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is February (141mm).
The driest months (with the least rainfall) are April and August (56mm).
Average rainfall days in September
Guaratuba, Brazil
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (11.6 days).
Average sea temperature in September
Guaratuba, Brazil
- Average sea temperature in September: 18.9°C
The best month for swimming (with the highest average sea temperature) is February (26.8°C).
The coldest month (with the lowest average sea temperature) is August (18.8°C).
Average daylight in September /
Average sunshine in September
Guaratuba, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 30min).
- Average sunshine in September: 6h and 3min
The months with the most sunshine are January, April and August (Average sunshine: 6h and 54min).
The months with the least sunshine are October and November (Average sunshine: 6h and 6min).
Average sunshine days in September
Guaratuba, Brazil
- Average sunshine days in September: 12 days
The month with the most sunshine days is July (17.3 days).
The month with the least sunshine days is January (5 days).
Average UV index in September
Guaratuba, 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 April, May, June, July, August, September and October (UV index 5).
Average cloud cover in September
Guaratuba, Brazil
- Average cloud cover in September: 55
The months with the most cloud cover are October and November (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 49).
Average visibility in September
Guaratuba, Brazil
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, August, September and December (8km).
The months with the lowest visibility are July, October and November (7km).
Guaratuba, Brazil
Weather forecast for your location
2. Allow the app to use your location
