September weather forecastPenalva, Brazil
September
Weather in September
The first month of the spring, September, is still a hot month in Penalva, Brazil, with an average temperature ranging between max 34.5°C (94.1°F) and min 22.5°C (72.5°F).Temperature
Penalva, Brazil, marks the onset of September with an average high-temperature of a still tropical 34.5°C (94.1°F), a subtle shift from August's 33.3°C (91.9°F). In Penalva, following the steep rise of daytime temperatures, an average nighttime low of 22.5°C (72.5°F) is anticipated during September.Heat index
During September, the heat index is appraised at a life-threatening hot 49°C (120.2°F). Be wary: Heat exhaustion and heat cramps are highly anticipated. With continued activity, heatstroke is very likely.Know that the heat index computations account for shaded terrains and slight winds. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.
Humidity
In Penalva, the average relative humidity in September is 70%.Rainfall
September is the month with the least rainfall. Rain falls for 10.7 days and accumulates 14mm (0.55") of precipitation.Daylight
The average length of the day in September in Penalva is 12h and 5min.On the first day of September in Penalva, sunrise is at 05:58 and sunset at 18:02. On the last day of the month, sunrise is at 05:46 and sunset at 17:54 -03.
Sunshine
In September, the average sunshine is 7.6h.UV index
May, July through November, with an average maximum UV index of 7, are months with the highest UV index in Penalva. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Penalva, Brazil
- Average high temperature in September: 34.5°C
The warmest month (with the highest average high temperature) is October (35.1°C).
The month with the lowest average high temperature is April (30.2°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is November (23.8°C).
The coldest month (with the lowest average low temperature) is July (21.2°C).
Average pressure in September
Penalva, Brazil
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Penalva, Brazil
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is October (8.6km/h).
The calmest month (with the lowest average wind speed) is April (5.1km/h).
Average humidity in September
Penalva, Brazil
- Average humidity in September: 70%
The months with the highest relative humidity are March, April and May (90%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Penalva, Brazil
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is April (250mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in September
Penalva, Brazil
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is March (30.6 days).
The month with the least rainy days is September (10.7 days).
Average daylight in September /
Average sunshine in September
Penalva, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is May (Average sunshine: 5h and 48min).
Average sunshine days in September
Penalva, Brazil
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is March (0 days).
Average UV index in September
Penalva, Brazil
- Average UV index in September: 7
The months with the highest UV index are May, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, June and December (UV index 6).
Average cloud cover in September
Penalva, Brazil
- Average cloud cover in September: 37
The months with the most cloud cover are March and April (Cloud cover 68).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Penalva, Brazil
- Average visibility in September: 9km
The month with the highest visibility is October (10km).
The months with the lowest visibility are February, March, April and May (6km).
