September weather forecastCajueiro, Brazil
September
Weather in September
September, the first month of the spring in Cajueiro, is still a warm month, with an average temperature ranging between max 27.1°C (80.8°F) and min 19.6°C (67.3°F).Temperature
The beginning of September records an average high-temperature of a still warm 27.1°C (80.8°F), marking a negligible difference from August's 26.1°C (79°F). Cajueiro observes an average nighttime low-temperature of 19.6°C (67.3°F) during the month of September.Heat index
September's average heat index is computed to be a hot 30°C (86°F). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.Always consider that heat index estimations are for light winds and places in the shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In September, the average relative humidity is 83%.Rainfall
In Cajueiro, in September, it is raining for 20.8 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, in Cajueiro, there are 189 rainfall days, and 375mm (14.76") of precipitation is accumulated.Daylight
The average length of the day in September in Cajueiro, Brazil, is 12h and 4min.On the first day of September in Cajueiro, sunrise is at 05:26 and sunset at 17:22. On the last day of the month, sunrise is at 05:08 and sunset at 17:19 -03.
Sunshine
In Cajueiro, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. 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
Cajueiro, Brazil
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is March (32°C).
The month with the lowest average high temperature is July (25.8°C).
- Average low temperature in September: 19.6°C
The month with the highest average low temperature is March (22.8°C).
The coldest month (with the lowest average low temperature) is August (19.3°C).
Average pressure in September
Cajueiro, Brazil
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is August (1017.3mbar).
The month with the lowest atmospheric pressure is March (1012.2mbar).
Average wind speed in September
Cajueiro, Brazil
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is November (14.2km/h).
The calmest month (with the lowest average wind speed) is May (8.7km/h).
Average humidity in September
Cajueiro, Brazil
- Average humidity in September: 83%
The month with the highest relative humidity is July (87%).
The month with the lowest relative humidity is December (73%).
Average rainfall in September
Cajueiro, Brazil
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is November (11mm).
Average rainfall days in September
Cajueiro, Brazil
- Average rainfall days in September: 20.8 days
The month with the highest number of rainy days is August (24.4 days).
The month with the least rainy days is December (9.9 days).
Average daylight in September /
Average sunshine in September
Cajueiro, Brazil
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is December (Average sunshine: 8h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Cajueiro, Brazil
- Average sunshine days in September: 5.1 days
The month with the most sunshine days is March (18.1 days).
The month with the least sunshine days is August (3.1 days).
Average UV index in September
Cajueiro, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, November and December (UV index 7).
The month with the lowest UV index is July (UV index 5).
Average cloud cover in September
Cajueiro, Brazil
- Average cloud cover in September: 48
The month with the most cloud cover is July (Cloud cover 57).
The months with the least cloud cover are November and December (Cloud cover 38).
Average visibility in September
Cajueiro, Brazil
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are May and June (7km).
