September weather forecastMonte Mor, Brazil
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Monte Mor, Brazil, with temperature in the range of an average low of 15.9°C (60.6°F) and an average high of 28°C (82.4°F).Temperature
Monte Mor marks the onset of September with an average high-temperature of a still moderately hot 28°C (82.4°F), subtly divergent from August's 25.7°C (78.3°F). Monte Mor observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 15.9°C (60.6°F) throughout the month of September.Heat index
The heat index for September is estimated at a tropical 30°C (86°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
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. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
The months with the lowest humidity in Monte Mor, Brazil, are August and September, with an average relative humidity of 65%.Rainfall
In Monte Mor, during September, the rain falls for 10.9 days and regularly aggregates up to 52mm (2.05") of precipitation. Throughout the year, there are 176.3 rainfall days, and 913mm (35.94") of precipitation is accumulated.Daylight
The average length of the day in September in Monte Mor is 11h and 58min.On the first day of the month, sunrise is at 06:18 and sunset at 17:59. On the last day of September, sunrise is at 05:49 and sunset at 18:08 -03.
Sunshine
September has the most sunshine of the year, with an average of 9.2h of sunshine.UV index
April through July, September and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Guard yourself - Precautionary measures against sun damage are advocated. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Monte Mor, Brazil
- Average high temperature in September: 28°C
The warmest months (with the highest average high temperature) are October and December (28.7°C).
The month with the lowest average high temperature is June (22.7°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is December (19.6°C).
The coldest months (with the lowest average low temperature) are June and July (13.7°C).
Average pressure in September
Monte Mor, Brazil
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is July (1020.2mbar).
The month with the lowest atmospheric pressure is December (1011.8mbar).
Average wind speed in September
Monte Mor, Brazil
- Average wind speed in September: 9.7km/h
The windiest month (with the highest average wind speed) is October (10.2km/h).
The calmest month (with the lowest average wind speed) is February (7.7km/h).
Average humidity in September
Monte Mor, Brazil
- Average humidity in September: 65%
The month with the highest relative humidity is March (84%).
The months with the lowest relative humidity are August and September (65%).
Average rainfall in September
Monte Mor, Brazil
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is January (166mm).
The driest month (with the least rainfall) is August (27mm).
Average rainfall days in September
Monte Mor, Brazil
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is August (6.4 days).
Average daylight in September /
Average sunshine in September
Monte Mor, 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 42min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 42min).
Average sunshine days in September
Monte Mor, Brazil
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is August (23.5 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in September
Monte Mor, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, August, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July, September and December (UV index 5).
Average cloud cover in September
Monte Mor, Brazil
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Monte Mor, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).
