September weather forecastGuarapari, Brazil
September
Weather in September
September, the first month of the spring in Guarapari, is still a warm month, with an average temperature fluctuating between 25.4°C (77.7°F) and 19.6°C (67.3°F).Temperature
With September's arrival, Guarapari notes an average high-temperature of a still warm 25.4°C (77.7°F), closely following the trend of the preceding month. In Guarapari, the average temperature during the nights of September drops to an enjoyable 19.6°C (67.3°F).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 78%.Rainfall
In Guarapari, during September, the rain falls for 10.8 days and regularly aggregates up to 34mm (1.34") of precipitation. In Guarapari, Brazil, during the entire year, the rain falls for 152.7 days and collects up to 659mm (25.94") of precipitation.Sea temperature
September is the month with the coldest seawater, with an average sea temperature of 22.9°C (73.2°F).Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 22.9°C (73.2°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)
Daylight
In September, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 05:50 and sunset at 17:33. On the last day of September, sunrise is at 05:23 and sunset at 17:40 -03.
Sunshine
In September, the average sunshine in Guarapari is 8.3h.UV index
The months with the lowest UV index in Guarapari are January, March through November, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 6 in September suggests the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guarapari, Brazil
- Average high temperature in September: 25.4°C
The warmest month (with the highest average high temperature) is February (29°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in September: 19.6°C
The month with the highest average low temperature is February (23.3°C).
The coldest month (with the lowest average low temperature) is August (18.8°C).
Average pressure in September
Guarapari, Brazil
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is July (1020.8mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in September
Guarapari, Brazil
- Average wind speed in September: 17.3km/h
The windiest month (with the highest average wind speed) is September (17.3km/h).
The calmest month (with the lowest average wind speed) is May (11.2km/h).
Average humidity in September
Guarapari, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are November and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Guarapari, Brazil
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (140mm).
The driest months (with the least rainfall) are June and July (26mm).
Average rainfall days in September
Guarapari, Brazil
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is November (18 days).
The month with the least rainy days is February (8.5 days).
Average sea temperature in September
Guarapari, Brazil
- Average sea temperature in September: 22.9°C
The best months for swimming (with the highest average sea temperature) are March and April (26.3°C).
The coldest month (with the lowest average sea temperature) is September (22.9°C).
Average daylight in September /
Average sunshine in September
Guarapari, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are February and December (Average sunshine: 9h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in September
Guarapari, Brazil
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Guarapari, Brazil
- Average UV index in September: 6
The months with the highest UV index are February and December (UV index 7).
The months with the lowest UV index are January, March, April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in September
Guarapari, Brazil
- Average cloud cover in September: 33
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is February (Cloud cover 24).
Average visibility in September
Guarapari, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).





