September weather forecastQueluz, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Queluz, Brazil, with temperature in the range of an average low of 13.2°C (55.8°F) and an average high of 25.5°C (77.9°F).Temperature
The advent of September brings an average high-temperature of a still moderately hot 25.5°C (77.9°F), almost identical to the preceding month. The nighttime temperature shows a significant divergence from the daytime highs, averaging at a mild 13.2°C (55.8°F) in September.Humidity
The least humid month is September, with an average relative humidity of 74%.Rainfall
In Queluz, during September, the rain falls for 14.6 days and regularly aggregates up to 46mm (1.81") of precipitation. In Queluz, during the entire year, the rain falls for 228.8 days and collects up to 1055mm (41.54") of precipitation.Daylight
In September, the average length of the day is 11h and 59min.On the first day of September, sunrise is at 06:08 and sunset at 17:49. On the last day of the month, sunrise is at 05:39 and sunset at 17:57 -03.
Sunshine
With an average of 8.8h of sunshine, September has the most sunshine of the year.UV index
February through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Queluz, Brazil
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is February (26.6°C).
The month with the lowest average high temperature is June (21.2°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is December (17°C).
The coldest month (with the lowest average low temperature) is July (10.7°C).
Average pressure in September
Queluz, Brazil
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is July (1020.6mbar).
The month with the lowest atmospheric pressure is December (1012.5mbar).
Average wind speed in September
Queluz, Brazil
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is September (6.6km/h).
The calmest months (with the lowest average wind speed) are February, March and April (5.3km/h).
Average humidity in September
Queluz, Brazil
- Average humidity in September: 74%
The months with the highest relative humidity are March and April (88%).
The month with the lowest relative humidity is September (74%).
Average rainfall in September
Queluz, Brazil
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is January (167mm).
The driest month (with the least rainfall) is June (24mm).
Average rainfall days in September
Queluz, Brazil
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is December (27.6 days).
The month with the least rainy days is August (9.7 days).
Average daylight in September /
Average sunshine in September
Queluz, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is September (Average sunshine: 8h and 48min).
The months with the least sunshine are January, March and December (Average sunshine: 7h and 24min).
Average sunshine days in September
Queluz, Brazil
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is December (2.5 days).
Average UV index in September
Queluz, Brazil
- Average UV index in September: 5
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
Queluz, Brazil
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Queluz, Brazil
- Average visibility in September: 8km
The months with the highest visibility are July, August, September and October (8km).
The months with the lowest visibility are January, March, April and May (6km).
