September weather forecastBertópolis, Brazil
September
Weather in September
September, the first month of the spring in Bertópolis, is also a moderately hot month, with an average temperature fluctuating between 28.5°C (83.3°F) and 18°C (64.4°F).Temperature
September's onset records an average high-temperature of a still warm 28.5°C (83.3°F), a near match to August's 26.7°C (80.1°F). An average low-temperature of 18°C (64.4°F) is recorded in the month of September in Bertópolis.Heat index
For most parts of September, the heat index is evaluated at a hot 32°C (89.6°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.Consider that heat index readings are for situations in the shade and light wind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
September is the least humid month in Bertópolis, with an average relative humidity of 74%.Rainfall
September is the month with the least rainfall. Rain falls for 13.8 days and accumulates 18mm (0.71") of precipitation.Daylight
The average length of the day in September is 12h and 1min.On the first day of the month, sunrise is at 05:48 and sunset at 17:35. On the last day of September, in Bertópolis, Brazil, sunrise is at 05:24 and sunset at 17:39 -03.
Sunshine
In September, the average sunshine in Bertópolis is 7.5h.UV index
January through June, August through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bertópolis, Brazil
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is February (30.9°C).
The month with the lowest average high temperature is July (25.8°C).
- Average low temperature in September: 18°C
The months with the highest average low temperature are January, February and March (20.6°C).
The coldest month (with the lowest average low temperature) is July (16.8°C).
Average pressure in September
Bertópolis, Brazil
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012.8mbar).
Average wind speed in September
Bertópolis, Brazil
- Average wind speed in September: 10.4km/h
The windiest month (with the highest average wind speed) is October (10.5km/h).
The calmest month (with the lowest average wind speed) is May (7.2km/h).
Average humidity in September
Bertópolis, Brazil
- Average humidity in September: 74%
The month with the highest relative humidity is April (85%).
The month with the lowest relative humidity is September (74%).
Average rainfall in September
Bertópolis, Brazil
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is December (148mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Bertópolis, Brazil
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is December (23.9 days).
The month with the least rainy days is September (13.8 days).
Average daylight in September /
Average sunshine in September
Bertópolis, 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 6min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is February (Average sunshine: 8h and 24min).
The month with the least sunshine is October (Average sunshine: 6h and 36min).
Average sunshine days in September
Bertópolis, Brazil
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is September (12.2 days).
The month with the least sunshine days is November (5.1 days).
Average UV index in September
Bertópolis, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 6).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Bertópolis, Brazil
- Average cloud cover in September: 46
The months with the most cloud cover are April and November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 46).
Average visibility in September
Bertópolis, Brazil
- Average visibility in September: 9km
The month with the highest visibility is September (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (7km).





