September weather forecastGuajeru, Brazil
September
Weather in September
September, the first month of the spring in Guajeru, is a tropical month, with an average temperature varying between 30.1°C (86.2°F) and 18.3°C (64.9°F).Temperature
The transition into September is marked with an average high-temperature of a hot 30.1°C (86.2°F), showing an insignificant shift from August's 27.8°C (82°F). Guajeru sees an average low-temperature of 18.3°C (64.9°F) during September.Heat index
In September, the average heat index is evaluated at a tropical 33°C (91.4°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
September is the least humid month, with an average relative humidity of 60%.Rainfall
In Guajeru, in September, during 5.9 rainfall days, 5mm (0.2") of precipitation is typically accumulated. Throughout the year, in Guajeru, there are 157.3 rainfall days, and 574mm (22.6") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 2min.On the first day of September in Guajeru, sunrise is at 05:52 and sunset at 17:42. On the last day of the month, sunrise is at 05:30 and sunset at 17:44 -03.
Sunshine
The average sunshine in September is 8.2h.UV index
The month with the highest UV index in Guajeru is September, with an average maximum UV index of 7. 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: In September, the maximum UV index of 7 suggests these recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guajeru, Brazil
- Average high temperature in September: 30.1°C
The warmest month (with the highest average high temperature) is October (30.7°C).
The month with the lowest average high temperature is July (26.5°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is October (19.9°C).
The coldest month (with the lowest average low temperature) is July (16.9°C).
Average pressure in September
Guajeru, Brazil
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Guajeru, Brazil
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is September (12.8km/h).
The calmest month (with the lowest average wind speed) is April (7.9km/h).
Average humidity in September
Guajeru, Brazil
- Average humidity in September: 60%
The month with the highest relative humidity is April (77%).
The month with the lowest relative humidity is September (60%).
Average rainfall in September
Guajeru, Brazil
- Average rainfall in September: 5mm
The wettest month (with the highest rainfall) is December (102mm).
The driest month (with the least rainfall) is August (3mm).
Average rainfall days in September
Guajeru, Brazil
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (5.3 days).
Average daylight in September /
Average sunshine in September
Guajeru, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).
Average sunshine days in September
Guajeru, Brazil
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in September
Guajeru, Brazil
- Average UV index in September: 7
The month with the highest UV index is September (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover in September
Guajeru, Brazil
- Average cloud cover in September: 31
The month with the most cloud cover is April (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Guajeru, Brazil
- Average visibility in September: 10km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April and December (8km).





