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 high-temperature average in September for Irapuã is a tropical 31.3°C (88.3°F), staying closely aligned with August's conditions. Irapuã observes a dramatic plunge from daytime highs in September, settling at an average low-temperature of 18.5°C (65.3°F).Heat index
The heat index value for September is evaluated at a tropical 34°C (93.2°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.The heat index's values are generally associated with conditions in shade and light breezes. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
August and September, with an average relative humidity of 54%, are the least humid months in Irapuã.Rainfall
In September, in Irapuã, the rain falls for 8.2 days. Throughout September, 44mm (1.73") of precipitation is accumulated. In Irapuã, during the entire year, the rain falls for 204.1 days and collects up to 1207mm (47.52") of precipitation.Daylight
The average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:26 and sunset at 18:08. On the last day of September, in Irapuã, sunrise is at 05:58 and sunset at 18:16 -03.
Sunshine
The months with the most sunshine are August and September, with an average of 9.4h of sunshine.UV index
January through April, June through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 6 in September interprets into the following advice:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Irapuã during September?
What is the least humid month in Irapuã?
What is the average humidity in September in Irapuã?
How much does it rain in Irapuã in September?
How many hours of daylight does Irapuã have in September?
What time are sunrise and sunset in September in Irapuã?
What is the month with the most sunshine in Irapuã?
How long on average sun shines in September in Irapuã?
What are the months with the highest UV index in Irapuã?
What is the UV index intensity in September in Irapuã?
Average temperature in September
Irapuã, Brazil
- Average high temperature in September: 31.3°C
The warmest month (with the highest average high temperature) is October (31.4°C).
The month with the lowest average high temperature is June (24.7°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is December (21°C).
The coldest month (with the lowest average low temperature) is June (15.3°C).
Average pressure in September
Irapuã, Brazil
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is July (1018.3mbar).
The months with the lowest atmospheric pressure are November and December (1010.4mbar).
Average wind speed in September
Irapuã, Brazil
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is August (10.6km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Irapuã, Brazil
- Average humidity in September: 54%
The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are August and September (54%).
Average rainfall in September
Irapuã, Brazil
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is January (226mm).
The driest month (with the least rainfall) is July (8mm).
Average rainfall days in September
Irapuã, Brazil
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is January (28.7 days).
The month with the least rainy days is August (3.9 days).
Average daylight in September /
Average sunshine in September
Irapuã, 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 54min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are August and September (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Irapuã, Brazil
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is August (26.6 days).
The month with the least sunshine days is February (1.3 days).
Average UV index in September
Irapuã, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, June, July, August, September, October, November and December (UV index 6).
The month with the lowest UV index is May (UV index 5).
Average cloud cover in September
Irapuã, Brazil
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Irapuã, 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, May and December (8km).
