September weather forecastBreves, Brazil
September
Weather in September
September, the first month of the spring in Breves, is a very hot month, with temperature in the range of an average low of 22.5°C (72.5°F) and an average high of 35.1°C (95.2°F).Temperature
In September, Breves's weather conditions record an average high-temperature of a very hot 35.1°C (95.2°F), demonstrating little divergence from the preceding month. Throughout September nights, a significant departure from daytime temperatures, with an average low of 22.5°C (72.5°F), is recognized.Heat index
For most parts of September, the heat index is appraised at a blazing hot 52°C (125.6°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
The average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 15.2 days and accumulates 23mm (0.91") of precipitation.Daylight
The average length of the day in September is 12h and 6min.On the first day of the month, sunrise is at 06:19 and sunset at 18:24. On the last day of September, sunrise is at 06:07 and sunset at 18:15 -03.
Sunshine
The average sunshine in September is 8.7h.UV index
May through November, with an average maximum UV index of 7, are months with the highest UV index in Breves. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Breves, Brazil
- Average high temperature in September: 35.1°C
The warmest month (with the highest average high temperature) is October (35.3°C).
The months with the lowest average high temperature are March and April (29.9°C).
- Average low temperature in September: 22.5°C
The month with the highest average low temperature is November (23.2°C).
The coldest month (with the lowest average low temperature) is July (22°C).
Average pressure in September
Breves, Brazil
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is July (1012.5mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Breves, Brazil
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is October (6.8km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).
Average humidity in September
Breves, Brazil
- Average humidity in September: 72%
The month with the highest relative humidity is April (92%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in September
Breves, Brazil
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is March (245mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Breves, Brazil
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is January (30.1 days).
The month with the least rainy days is September (15.2 days).
Average daylight in September /
Average sunshine in September
Breves, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is March (Average sunshine: 5h and 30min).
Average sunshine days in September
Breves, Brazil
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is September (12.8 days).
The month with the least sunshine days is April (0.5 days).
Average UV index in September
Breves, Brazil
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April and December (UV index 6).
Average cloud cover in September
Breves, Brazil
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Breves, Brazil
- Average visibility in September: 8km
The month with the highest visibility is November (9km).
The month with the lowest visibility is April (5km).
