September weather forecastGalena, Brazil
September
Weather in September
September, the first month of the spring in Galena, is still a warm month, with an average temperature fluctuating between 17.3°C (63.1°F) and 29.8°C (85.6°F).Temperature
With average high temperatures of 29.8°C (85.6°F) and lows of 17.3°C (63.1°F), September is the warmest month.Heat index
The heat index in September is calculated to be a tropical 31°C (87.8°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
September is the least humid month in Galena, with an average relative humidity of 51%.Rainfall
In Galena, Brazil, during September, the rain falls for 7.8 days and regularly aggregates up to 23mm (0.91") of precipitation. In Galena, Brazil, during the entire year, the rain falls for 226 days and collects up to 1287mm (50.67") of precipitation.Daylight
In Galena, Brazil, the average length of the day in September is 12h and 0min.On the first day of September, sunrise is at 06:11 and sunset at 17:57. On the last day of the month, sunrise is at 05:46 and sunset at 18:02 -03.
Sunshine
September has the most sunshine of the year in Galena, with an average of 9.5h of sunshine.UV index
The months with the highest UV index in Galena are January, August through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 6 in September leads to these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Galena, Brazil
- Average high temperature in September: 29.8°C
The warmest month (with the highest average high temperature) is September (29.8°C).
The month with the lowest average high temperature is May (23.7°C).
- Average low temperature in September: 17.3°C
The month with the highest average low temperature is October (18.8°C).
The coldest month (with the lowest average low temperature) is July (13.8°C).
Average pressure in September
Galena, Brazil
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The months with the lowest atmospheric pressure are November and December (1011.6mbar).
Average wind speed in September
Galena, Brazil
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is September (9.8km/h).
The calmest month (with the lowest average wind speed) is March (6.9km/h).
Average humidity in September
Galena, Brazil
- Average humidity in September: 51%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is September (51%).
Average rainfall in September
Galena, Brazil
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (236mm).
The driest month (with the least rainfall) is August (5mm).
Average rainfall days in September
Galena, Brazil
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is December (29.9 days).
The month with the least rainy days is August (3.6 days).
Average daylight in September /
Average sunshine in September
Galena, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 12min).
The month with the shortest days is June (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is September (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Galena, Brazil
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is December (0.7 days).
Average UV index in September
Galena, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, August, September and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, November and December (UV index 5).
Average cloud cover in September
Galena, Brazil
- Average cloud cover in September: 19
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Galena, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May and December (7km).
