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 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
Lontras, Brazil, records a slight change with September's average high-temperatures adjusting to a still pleasant 21.3°C (70.3°F) from August's 20.1°C (68.2°F). During September, Lontras experiences a consistent low-temperature average of 11.8°C (53.2°F).Humidity
The average relative humidity in September is 86%.Rainfall
In Lontras, in September, during 17.5 rainfall days, 90mm (3.54") of precipitation is typically accumulated. In Lontras, Brazil, during the entire year, the rain falls for 235 days and collects up to 1082mm (42.6") of precipitation.Daylight
In September, the average length of the day in Lontras is 11h and 57min.On the first day of the month, sunrise is at 06:30 and sunset at 18:05. On the last day of September, sunrise is at 05:57 and sunset at 18:18 -03.
Sunshine
In Lontras, Brazil, the average sunshine in September is 6.9h.UV index
April through September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What are September temperatures in Lontras?
What is the average humidity in September in Lontras?
How many days does it rain in September in Lontras?
How many hours of daylight does Lontras have in September?
What time are sunrise and sunset in September in Lontras?
How many hours of sunshine does Lontras have in September?
What are the months with the lowest UV index in Lontras?
What is the UV index intensity in September in Lontras?
Average temperature in September
Lontras, Brazil
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is June (18.5°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is February (17.2°C).
The coldest month (with the lowest average low temperature) is July (9.3°C).
Average pressure in September
Lontras, Brazil
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1012.5mbar).
Average wind speed in September
Lontras, Brazil
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is November (7km/h).
The calmest months (with the lowest average wind speed) are April and June (5.5km/h).
Average humidity in September
Lontras, Brazil
- Average humidity in September: 86%
The month with the highest relative humidity is May (89%).
The month with the lowest relative humidity is December (85%).
Average rainfall in September
Lontras, Brazil
- Average rainfall in September: 90mm
The wettest month (with the highest rainfall) is January (124mm).
The driest month (with the least rainfall) is July (67mm).
Average rainfall days in September
Lontras, Brazil
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is January (25.4 days).
The month with the least rainy days is June (12.9 days).
Average daylight in September /
Average sunshine in September
Lontras, 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 5min
The month with the most sunshine is January (Average sunshine: 7h and 18min).
The month with the least sunshine is October (Average sunshine: 6h and 30min).
Average sunshine days in September
Lontras, Brazil
- Average sunshine days in September: 8.7 days
The month with the most sunshine days is June (14.3 days).
The month with the least sunshine days is February (3.4 days).
Average UV index in September
Lontras, Brazil
- Average UV index in September: 4
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in September
Lontras, Brazil
- Average cloud cover in September: 56
The month with the most cloud cover is October (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 51).
Average visibility in September
Lontras, Brazil
- Average visibility in September: 6km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6km).
Lontras, Brazil
Weather forecast for your location
2. Allow the app to use your location
