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
September
Weather in September
Temperature
The advent of September observes an average high-temperature of a hot 30.3°C (86.5°F), nearly identical to August's 28°C (82.4°F). In stark contrast to the day's heat, the temperature in Iacri, Brazil, dips to an average of 17.8°C (64°F) during September nights.Heat index
Throughout September, the heat index is appraised at a hot 33°C (91.4°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.It is important to note that the heat index values are for shaded areas and light wind scenarios. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In Iacri, the average relative humidity in September is 59%.Rainfall
In Iacri, in September, during 9.5 rainfall days, 47mm (1.85") of precipitation is typically accumulated. In Iacri, Brazil, during the entire year, the rain falls for 193.5 days and collects up to 1136mm (44.72") of precipitation.Daylight
In September, the average length of the day in Iacri is 11h and 59min.On the first day of September, sunrise is at 06:31 and sunset at 18:13. On the last day of the month, sunrise is at 06:03 and sunset at 18:21 -03.
Sunshine
In September, the average sunshine is 9.1h.UV index
The months with the highest UV index are January through March, July through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 6 in September translates into these instructions:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Iacri?
What is the average humidity in September in Iacri?
How many days does it rain in September in Iacri?
What is the average length of the day in September in Iacri?
When is the sunrise / sunset in September in Iacri?
How long on average sun shines in September in Iacri?
When is the highest UV index in Iacri?
What is the UV index reading in September in Iacri?
Average temperature in September
Iacri, Brazil
- Average high temperature in September: 30.3°C
The warmest month (with the highest average high temperature) is October (30.8°C).
The month with the lowest average high temperature is June (24°C).
- Average low temperature in September: 17.8°C
The months with the highest average low temperature are January and February (20.8°C).
The coldest month (with the lowest average low temperature) is July (14.8°C).
Average pressure in September
Iacri, Brazil
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in September
Iacri, Brazil
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is August (11.4km/h).
The calmest month (with the lowest average wind speed) is February (7.8km/h).
Average humidity in September
Iacri, Brazil
- Average humidity in September: 59%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Iacri, Brazil
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is January (203mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Iacri, Brazil
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (5.1 days).
Average daylight in September /
Average sunshine in September
Iacri, 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 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Iacri, Brazil
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is January (2.6 days).
Average UV index in September
Iacri, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May and June (UV index 5).
Average cloud cover in September
Iacri, Brazil
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in September
Iacri, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April and May (8km).
