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
Transitioning into September, Jacarecica experiences an average high-temperature of a still warm 27.1°C (80.8°F), marking a minor shift from the preceding month. Jacarecica reports an average nighttime low-temperature of 21.1°C (70°F) in September.Heat index
For September, the heat index is calculated to be a hot 30°C (86°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Understanding the heat index involves considering values for shaded locales with light wind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a single figure representing how weather conditions feel when combining temperature and humidity. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. 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 are primarily vital for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in September is 81%.Rainfall
In Jacarecica, in September, during 21.8 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in Jacarecica, there are 256.6 rainfall days, and 686mm (27.01") of precipitation is accumulated.Daylight
In Jacarecica, the average length of the day in September is 12h and 3min.On the first day of September, sunrise is at 05:24 and sunset at 17:20. On the last day of the month, sunrise is at 05:06 and sunset at 17:18 -03.
Sunshine
In September, the average sunshine is 7.3h.UV index
The months with the lowest UV index in Jacarecica are April through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, an average UV index of 6 transforms into the following instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Jacarecica in September?
What is the average humidity in September in Jacarecica?
How many days does it rain in September in Jacarecica?
How many hours of daylight does Jacarecica have in September?
What time are sunrise and sunset in September in Jacarecica?
How many hours of sunshine does Jacarecica have in September?
What are the months with the lowest UV index in Jacarecica?
What is the UV index intensity in September in Jacarecica?
Average temperature in September
Jacarecica, Brazil
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is March (31.3°C).
The months with the lowest average high temperature are July and August (26.3°C).
- Average low temperature in September: 21.1°C
The month with the highest average low temperature is March (24°C).
The coldest month (with the lowest average low temperature) is August (20.8°C).
Average pressure in September
Jacarecica, Brazil
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is August (1017.2mbar).
The month with the lowest atmospheric pressure is March (1012.2mbar).
Average wind speed in September
Jacarecica, Brazil
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is November (13.4km/h).
The calmest month (with the lowest average wind speed) is May (8.9km/h).
Average humidity in September
Jacarecica, Brazil
- Average humidity in September: 81%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are March and December (74%).
Average rainfall in September
Jacarecica, Brazil
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (105mm).
The driest month (with the least rainfall) is November (21mm).
Average rainfall days in September
Jacarecica, Brazil
- Average rainfall days in September: 21.8 days
The month with the highest number of rainy days is July (26.5 days).
The month with the least rainy days is November (15.3 days).
Average daylight in September /
Average sunshine in September
Jacarecica, Brazil
- Average daylight in September: 12h and 1min
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 2min
The month with the most sunshine is March (Average sunshine: 8h and 6min).
The month with the least sunshine is July (Average sunshine: 6h and 54min).
Average sunshine days in September
Jacarecica, Brazil
- Average sunshine days in September: 5.1 days
The month with the most sunshine days is December (7 days).
The month with the least sunshine days is June (2.3 days).
Average UV index in September
Jacarecica, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, October, November and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August and September (UV index 6).
Average cloud cover in September
Jacarecica, Brazil
- Average cloud cover in September: 47
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is March (Cloud cover 39).
Average visibility in September
Jacarecica, Brazil
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
Jacarecica, Brazil
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