Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition from August to September sees average high-temperatures adjusting to a tropical 30.4°C (86.7°F), from a not significantly different 27.8°C (82°F). In Regente Feijó, the nighttime chill during September is a clear shift from the day's highs, with an average of 18.3°C (64.9°F).Heat index
During September, the heat index is appraised at a hot 33°C (91.4°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 59%.Rainfall
In Regente Feijó, during September, the rain falls for 9.6 days and regularly aggregates up to 50mm (1.97") of precipitation. Throughout the year, there are 196.8 rainfall days, and 1260mm (49.61") of precipitation is accumulated.Daylight
In September, the average length of the day in Regente Feijó, Brazil, is 11h and 59min.On the first day of the month, sunrise is at 06:34 and sunset at 18:15. On the last day of September, sunrise is at 06:06 and sunset at 18:23 -03.
Sunshine
In September, the average sunshine in Regente Feijó is 9.1h.UV index
January through March, June through December, with an average maximum UV index of 6, are months with the highest UV index in Regente Feijó. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
How hot is September in Regente Feijó?
What are the least humid months in Regente Feijó?
What is the average humidity in September in Regente Feijó?
How much does it rain in Regente Feijó in September?
How many hours of daylight does Regente Feijó have in September?
What time are sunrise and sunset in September in Regente Feijó?
How many hours of sunshine does Regente Feijó have in September?
When is the highest UV index in Regente Feijó?
How high is the UV index in September in Regente Feijó?
Average temperature in September
Regente Feijó, Brazil
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is October (30.9°C).
The month with the lowest average high temperature is June (24.1°C).
- Average low temperature in September: 18.3°C
The months with the highest average low temperature are January and December (21.3°C).
The coldest months (with the lowest average low temperature) are June and July (15.3°C).
Average pressure in September
Regente Feijó, Brazil
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).
Average wind speed in September
Regente Feijó, Brazil
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is August (11.1km/h).
The calmest months (with the lowest average wind speed) are February and March (7.8km/h).
Average humidity in September
Regente Feijó, Brazil
- Average humidity in September: 59%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August and September (59%).
Average rainfall in September
Regente Feijó, Brazil
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is January (233mm).
The driest month (with the least rainfall) is July (29mm).
Average rainfall days in September
Regente Feijó, Brazil
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is January (28.5 days).
The month with the least rainy days is August (5.3 days).
Average daylight in September /
Average sunshine in September
Regente Feijó, 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 48min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Regente Feijó, Brazil
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is January (2 days).
Average UV index in September
Regente Feijó, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April and May (UV index 5).
Average cloud cover in September
Regente Feijó, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in September
Regente Feijó, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January, February, March, April, May and June (8km).
Regente Feijó, Brazil
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