September weather forecastPederneiras, Brazil
September
Weather in September
September, the first month of the spring in Pederneiras, is also a moderately hot month, with an average temperature varying between 29.6°C (85.3°F) and 16.6°C (61.9°F).Temperature
August's transformation into September witnesses an average high-temperature of a still warm 29.6°C (85.3°F), noting a minor change from the preceding month. From the heights of the September heat, Pederneiras records a mean nighttime low of 16.6°C (61.9°F).Heat index
For September, the heat index is computed to be a hot 32°C (89.6°F). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.Be aware that heat index ratings are designed for shaded locations and minor breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are particularly relevant to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
With an average relative humidity of 62%, September is the least humid month in Pederneiras.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 44mm (1.73") of precipitation is accumulated. Throughout the year, there are 192.9 rainfall days, and 1119mm (44.06") of precipitation is accumulated.Daylight
In Pederneiras, Brazil, the average length of the day in September is 11h and 59min.On the first day of September in Pederneiras, Brazil, sunrise is at 06:24 and sunset at 18:05. On the last day of the month, sunrise is at 05:55 and sunset at 18:13 -03.
Sunshine
The months with the most sunshine are August and September, with an average of 9.2h of sunshine.UV index
January, March, August through December, with an average maximum UV index of 6, are months with the highest UV index in Pederneiras, Brazil. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during September translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pederneiras, Brazil
- Average high temperature in September: 29.6°C
The warmest month (with the highest average high temperature) is October (29.8°C).
The month with the lowest average high temperature is June (23.3°C).
- Average low temperature in September: 16.6°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is June (13.7°C).
Average pressure in September
Pederneiras, Brazil
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is July (1019.2mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).
Average wind speed in September
Pederneiras, Brazil
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is October (10.5km/h).
The calmest month (with the lowest average wind speed) is February (7.3km/h).
Average humidity in September
Pederneiras, Brazil
- Average humidity in September: 62%
The month with the highest relative humidity is March (86%).
The month with the lowest relative humidity is September (62%).
Average rainfall in September
Pederneiras, Brazil
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is January (222mm).
The driest months (with the least rainfall) are July and August (19mm).
Average rainfall days in September
Pederneiras, Brazil
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is January (27.3 days).
The month with the least rainy days is August (4.7 days).
Average daylight in September /
Average sunshine in September
Pederneiras, 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: 9h and 12min
The months with the most sunshine are August and September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Pederneiras, Brazil
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is January (2.2 days).
Average UV index in September
Pederneiras, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, March, August, September, October, November and December (UV index 6).
The months with the lowest UV index are February, April, May, June and July (UV index 5).
Average cloud cover in September
Pederneiras, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Pederneiras, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is March (7km).
