September weather forecastMossâmedes, Brazil
September
Weather in September
September, the first month of the spring in Mossâmedes, is also a hot month, with an average temperature varying between 21°C (69.8°F) and 34.1°C (93.4°F).Temperature
With average high temperatures of 34.1°C (93.4°F) and lows of 21°C (69.8°F), September is the warmest month.Heat index
For most parts of September, the heat index is computed to be a sweltering 36°C (96.8°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
In September, the average relative humidity in Mossâmedes is 40%.Rainfall
In September, in Mossâmedes, the rain falls for 6.1 days. Throughout September, 16mm (0.63") of precipitation is accumulated. Throughout the year, in Mossâmedes, there are 205.3 rainfall days, and 1139mm (44.84") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 06:26 and sunset at 18:14. On the last day of September, sunrise is at 06:03 and sunset at 18:17 -03.
Sunshine
In September, the average sunshine is 9.7h.UV index
August and September, with an average maximum UV index of 7, are months with the highest UV index in Mossâmedes, Brazil. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 7 during September morphs into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mossâmedes, Brazil
- Average high temperature in September: 34.1°C
The warmest month (with the highest average high temperature) is September (34.1°C).
The month with the lowest average high temperature is May (27.1°C).
- Average low temperature in September: 21°C
The month with the highest average low temperature is September (21°C).
The coldest months (with the lowest average low temperature) are June and July (16.6°C).
Average pressure in September
Mossâmedes, Brazil
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is July (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Mossâmedes, Brazil
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is August (8.9km/h).
The calmest month (with the lowest average wind speed) is March (5.3km/h).
Average humidity in September
Mossâmedes, Brazil
- Average humidity in September: 40%
The month with the highest relative humidity is March (89%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Mossâmedes, Brazil
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is December (199mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Mossâmedes, Brazil
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is December (29.3 days).
The month with the least rainy days is August (0.8 days).
Average daylight in September /
Average sunshine in September
Mossâmedes, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 42min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Mossâmedes, Brazil
- Average sunshine days in September: 22.8 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is February (0.9 days).
Average UV index in September
Mossâmedes, Brazil
- Average UV index in September: 7
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are February and March (UV index 5).
Average cloud cover in September
Mossâmedes, Brazil
- Average cloud cover in September: 16
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in September
Mossâmedes, Brazil
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April and December (7km).
