September weather forecastMonções, Brazil
September
Weather in September
The first month of the spring, September, is a hot month in Monções, Brazil, with an average temperature varying between 31.9°C (89.4°F) and 18.8°C (65.8°F).Temperature
Monções's warmest month, September, generally records average temperatures ranging from a high of 31.9°C (89.4°F) to a low of 18.8°C (65.8°F).Heat index
For most parts of September, the heat index is computed to be a sweltering 35°C (95°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
The average relative humidity in September in Monções is 54%.Rainfall
In September, the rain falls for 8.6 days. Throughout September, 46mm (1.81") of precipitation is accumulated. In Monções, during the entire year, the rain falls for 196.7 days and collects up to 1131mm (44.53") of precipitation.Daylight
In September, the average length of the day in Monções is 11h and 59min.On the first day of the month, sunrise is at 06:28 and sunset at 18:11. On the last day of September, sunrise is at 06:01 and sunset at 18:18 -03.
Sunshine
The average sunshine in September in Monções is 9.3h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 6. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. 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
Monções, Brazil
- Average high temperature in September: 31.9°C
The warmest month (with the highest average high temperature) is September (31.9°C).
The month with the lowest average high temperature is June (25.1°C).
- Average low temperature in September: 18.8°C
The month with the highest average low temperature is December (21.5°C).
The coldest month (with the lowest average low temperature) is June (15.7°C).
Average pressure in September
Monções, Brazil
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is July (1017.7mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).
Average wind speed in September
Monções, Brazil
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is August (10.8km/h).
The calmest month (with the lowest average wind speed) is February (7.2km/h).
Average humidity in September
Monções, Brazil
- Average humidity in September: 54%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Monções, Brazil
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is January (193mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Monções, Brazil
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (3.8 days).
Average daylight in September /
Average sunshine in September
Monções, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 12min).
Average sunshine days in September
Monções, Brazil
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is January (2.2 days).
Average UV index in September
Monções, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Monções, Brazil
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Monções, 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 and May (8km).
