September weather forecastMorretes, Brazil
September
Weather in September
The first month of the spring, September, is a moderately hot month in Morretes, Brazil, with an average temperature varying between 23.3°C (73.9°F) and 15.7°C (60.3°F).Temperature
With the arrival of September, Morretes's average high-temperature registers at a moderately hot 23.3°C (73.9°F), indicating a subtle variation from the previous month. An average low-temperature of 15.7°C (60.3°F) is expected in Morretes during September.Humidity
In Morretes, the average relative humidity in September is 84%.Rainfall
In Morretes, Brazil, in September, it is raining for 15.2 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, there are 204.4 rainfall days, and 1031mm (40.59") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 58min.On the first day of September, sunrise is at 06:26 and sunset at 18:03. On the last day of the month, sunrise is at 05:55 and sunset at 18:14 -03.
Sunshine
In Morretes, the average sunshine in September is 6.5h.UV index
April through October, with an average maximum UV index of 5, are months with the lowest UV index in Morretes. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 5 during September, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Morretes, 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
Morretes, 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
Morretes, 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
Morretes, 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
Morretes, 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
Morretes, 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 daylight in September /
Average sunshine in September
Morretes, 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 36min).
- Average sunshine in September: 6h and 30min
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
Morretes, 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
Morretes, 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
Morretes, 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
Morretes, 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).





