September weather forecastMarapoama, Brazil
September
Weather in September
September, the first month of the spring in Marapoama, is a tropical month, with an average temperature varying between 18.5°C (65.3°F) and 31.3°C (88.3°F).Temperature
In the transition from August to September, Marapoama reports an average high-temperature of a hot 31.3°C (88.3°F), indicating a close resemblance to the prior month. With the onset of night in September, Marapoama reveals a significant decrease in temperature, averaging at a refreshing 18.5°C (65.3°F).Heat index
September's mean heat index is computed to be a tropical 34°C (93.2°F). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Heat index determinations are made taking into account the shade and light air movements. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. 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 important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 54%.Rainfall
In Marapoama, during September, the rain falls for 8.2 days and regularly aggregates up to 44mm (1.73") of precipitation. In Marapoama, during the entire year, the rain falls for 204.1 days and collects up to 1207mm (47.52") of precipitation.Daylight
The average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:25 and sunset at 18:07. On the last day of the month, sunrise is at 05:57 and sunset at 18:14 -03.
Sunshine
August and September, with an average of 9.4h of sunshine, are months with the most sunshine.UV index
January through April, June through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marapoama, Brazil
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is June (24.7°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is December (21°C).
The coldest month (with the lowest average low temperature) is June (15.3°C).
Average pressure in September
Marapoama, Brazil
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is July (1018.3mbar).
The months with the lowest atmospheric pressure are November and December (1010.4mbar).
Average wind speed in September
Marapoama, Brazil
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is August (10.6km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Marapoama, Brazil
- Average humidity in September: 54%
The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are August and September (54%).
Average rainfall in September
Marapoama, Brazil
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is January (226mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in September
Marapoama, Brazil
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is January (28.7 days).
The month with the least rainy days is August (3.9 days).
Average daylight in September /
Average sunshine in September
Marapoama, 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 24min
The months with the most sunshine are August and September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Marapoama, Brazil
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is August (26.6 days).
The month with the least sunshine days is February (1.3 days).
Average UV index in September
Marapoama, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is May (UV index 5).
Average cloud cover in September
Marapoama, Brazil
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Marapoama, 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, May and December (8km).
