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
The transition from August to September sees average high-temperatures adjusting to a still warm 26.7°C (80.1°F), from a not significantly different 25.3°C (77.5°F). Alegre records a consistent low-temperature of 16.9°C (62.4°F) during September nights.Humidity
The least humid month in Alegre, Brazil, is September, with an average relative humidity of 76%.Rainfall
In Alegre, during September, the rain falls for 11.5 days and regularly aggregates up to 37mm (1.46") of precipitation. In Alegre, during the entire year, the rain falls for 207.5 days and collects up to 823mm (32.4") of precipitation.Daylight
In Alegre, Brazil, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 05:54 and sunset at 17:37. On the last day of the month, sunrise is at 05:27 and sunset at 17:44 -03.
Sunshine
The average sunshine in September is 8h.UV index
April through July, September and November, with an average maximum UV index of 5, are months with the lowest UV index in Alegre. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are the temperatures in Alegre in September?
What is the least humid month in Alegre?
What is the average humidity in September in Alegre?
How many days does it rain in September in Alegre?
What is the average length of the day in September in Alegre?
When is the sunrise / sunset in September in Alegre?
How many hours of sunshine does Alegre have in September?
When is the lowest UV index in Alegre?
What is the UV index reading in September in Alegre?
Average temperature in September
Alegre, Brazil
- Average high temperature in September: 26.7°C
The warmest month (with the highest average high temperature) is February (30.1°C).
The months with the lowest average high temperature are June and July (24.6°C).
- Average low temperature in September: 16.9°C
The months with the highest average low temperature are January, February and December (20.3°C).
The coldest month (with the lowest average low temperature) is July (15.3°C).
Average pressure in September
Alegre, Brazil
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is July (1020.9mbar).
The month with the lowest atmospheric pressure is December (1012.6mbar).
Average wind speed in September
Alegre, Brazil
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is September (8.6km/h).
The calmest months (with the lowest average wind speed) are April and May (5.8km/h).
Average humidity in September
Alegre, Brazil
- Average humidity in September: 76%
The months with the highest relative humidity are April and May (86%).
The month with the lowest relative humidity is September (76%).
Average rainfall in September
Alegre, Brazil
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (137mm).
The driest months (with the least rainfall) are July and August (18mm).
Average rainfall days in September
Alegre, Brazil
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is March (24.2 days).
The month with the least rainy days is July (10.3 days).
Average daylight in September /
Average sunshine in September
Alegre, 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 0min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is October (Average sunshine: 7h and 6min).
Average sunshine days in September
Alegre, Brazil
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is December (3.9 days).
Average UV index in September
Alegre, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, August, October and December (UV index 6).
The months with the lowest UV index are April, May, June, July, September and November (UV index 5).
Average cloud cover in September
Alegre, Brazil
- Average cloud cover in September: 35
The month with the most cloud cover is November (Cloud cover 54).
The months with the least cloud cover are January and February (Cloud cover 33).
Average visibility in September
Alegre, Brazil
- Average visibility in September: 9km
The months with the highest visibility are August, September and October (9km).
The months with the lowest visibility are April and May (7km).
Alegre, Brazil
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