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 transition into September marks the average high-temperature at a still warm 26.3°C (79.3°F), differing minimally from August's 24.5°C (76.1°F). Iguaí, during the month of September, experiences an average low-temperature of 16.5°C (61.7°F).Humidity
September is the least humid month in Iguaí, with an average relative humidity of 78%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 17mm (0.67") of precipitation is accumulated. In Iguaí, during the entire year, the rain falls for 240.1 days and collects up to 793mm (31.22") of precipitation.Daylight
The average length of the day in September in Iguaí is 12h and 1min.On the first day of September, sunrise is at 05:45 and sunset at 17:35. On the last day of the month, sunrise is at 05:23 and sunset at 17:36 -03.
Sunshine
In September, the average sunshine is 6.8h.UV index
The months with the highest UV index are January through April, September through December, 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: The maximum daily UV index, 6 in September, converts into the following recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Iguaí in September?
What is the least humid month in Iguaí?
What is the average humidity in September in Iguaí?
How many days does it rain in September in Iguaí?
What is the average length of the day in September in Iguaí?
When is the sunrise / sunset in September in Iguaí?
How long on average sun shines in September in Iguaí?
When is the highest UV index in Iguaí?
What is the UV index intensity in September in Iguaí?
Average temperature in September
Iguaí, Brazil
- Average high temperature in September: 26.3°C
The warmest month (with the highest average high temperature) is February (28.1°C).
The month with the lowest average high temperature is July (23.5°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is March (18.8°C).
The coldest month (with the lowest average low temperature) is August (15.4°C).
Average pressure in September
Iguaí, Brazil
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is July (1019.8mbar).
The month with the lowest atmospheric pressure is December (1013.2mbar).
Average wind speed in September
Iguaí, Brazil
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is September (10.2km/h).
The calmest month (with the lowest average wind speed) is March (7.1km/h).
Average humidity in September
Iguaí, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are April and May (86%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Iguaí, Brazil
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is March (137mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Iguaí, Brazil
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is January (24.6 days).
The month with the least rainy days is September (14.5 days).
Average daylight in September /
Average sunshine in September
Iguaí, 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: 6h and 5min
The month with the most sunshine is February (Average sunshine: 8h and 0min).
The month with the least sunshine is July (Average sunshine: 5h and 18min).
Average sunshine days in September
Iguaí, Brazil
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is September (10.1 days).
The month with the least sunshine days is February (3.7 days).
Average UV index in September
Iguaí, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, September, October, November and December (UV index 6).
The months with the lowest UV index are May, June, July and August (UV index 5).
Average cloud cover in September
Iguaí, Brazil
- Average cloud cover in September: 55
The months with the most cloud cover are April and November (Cloud cover 67).
The month with the least cloud cover is September (Cloud cover 55).
Average visibility in September
Iguaí, Brazil
- Average visibility in September: 8km
The months with the highest visibility are September and October (8km).
The months with the lowest visibility are January, February, March, April, May and December (6km).
