September weather forecastGuatapará, Brazil
September
Weather in September
September, the first month of the spring in Guatapará, is a tropical month, with an average temperature ranging between max 31.7°C (89.1°F) and min 18.4°C (65.1°F).Temperature
In Guatapará, Brazil, September records the highest average temperatures, peaking at 31.7°C (89.1°F) and reaching a low of 18.4°C (65.1°F).Heat index
The average heat index in September is estimated at a fiery hot 35°C (95°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Note that heat index values are valued for light wind and location in the shade. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
The least humid month in Guatapará is September, with an average relative humidity of 53%.Rainfall
In Guatapará, in September, it is raining for 9 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, in Guatapará, there are 207 rainfall days, and 1206mm (47.48") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:20 and sunset at 18:03. On the last day of September, in Guatapará, Brazil, sunrise is at 05:53 and sunset at 18:10 -03.
Sunshine
With an average of 9.4h of sunshine, September has the most sunshine of the year.UV index
January, March, July through November, with an average maximum UV index of 6, are months with the highest UV index in Guatapará. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Guatapará, Brazil
- Average high temperature in September: 31.7°C
The warmest month (with the highest average high temperature) is September (31.7°C).
The month with the lowest average high temperature is June (24.6°C).
- Average low temperature in September: 18.4°C
The month with the highest average low temperature is December (20.1°C).
The coldest month (with the lowest average low temperature) is June (14.5°C).
Average pressure in September
Guatapará, Brazil
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The months with the lowest atmospheric pressure are November and December (1011.2mbar).
Average wind speed in September
Guatapará, Brazil
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is September (8.9km/h).
The calmest month (with the lowest average wind speed) is February (6.1km/h).
Average humidity in September
Guatapará, Brazil
- Average humidity in September: 53%
The month with the highest relative humidity is March (88%).
The month with the lowest relative humidity is September (53%).
Average rainfall in September
Guatapará, Brazil
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is January (229mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in September
Guatapará, Brazil
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is December (28.6 days).
The month with the least rainy days is August (4.3 days).
Average daylight in September /
Average sunshine in September
Guatapará, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Guatapará, Brazil
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is August (26.6 days).
The month with the least sunshine days is December (1.4 days).
Average UV index in September
Guatapará, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, March, July, August, September, October and November (UV index 6).
The months with the lowest UV index are February, April, May, June and December (UV index 5).
Average cloud cover in September
Guatapará, Brazil
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Guatapará, Brazil
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April and May (7km).





