September weather forecastNova Iguaçu, Brazil
September
Weather in September
September announces the arrival of spring with a noticeable upturn in Nova Iguaçu's climatic conditions. An increased amount of rainfall, recorded at 50mm (1.97"), revives the city after a prolonged dry period. With the rebound of rain, temperatures start to rise again, returning warmth to the city. A resurgence in the number of daylight hours triggers a shift in the daily weather pattern. The city, with its refreshing spring aura, blossoms under the gentle sun.Temperature
The arrival of September brings an average high-temperature of a still moderately hot 26°C (78.8°F), subtly diverging from August's 24.8°C (76.6°F). In September, the average low-temperature records at an enjoyable 17.5°C (63.5°F) during the nights.Humidity
In Nova Iguaçu, the average relative humidity in September is 78%.Rainfall
In Nova Iguaçu, in September, during 14.8 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 220.6 rainfall days, and 991mm (39.02") of precipitation is accumulated.Daylight
In September, the average length of the day in Nova Iguaçu is 11h and 58min.On the first day of September, sunrise is at 06:03 and sunset at 17:43. On the last day of the month, sunrise is at 05:34 and sunset at 17:52 -03.
Sunshine
The average sunshine in September is 7.6h.UV index
The months with the lowest UV index are April, May, July and September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nova Iguaçu, Brazil
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is February (30.3°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in September: 17.5°C
The month with the highest average low temperature is January (21.6°C).
The coldest month (with the lowest average low temperature) is August (16.1°C).
Average pressure in September
Nova Iguaçu, Brazil
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is July (1020.5mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed in September
Nova Iguaçu, Brazil
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is September (7.8km/h).
The calmest month (with the lowest average wind speed) is March (6km/h).
Average humidity in September
Nova Iguaçu, Brazil
- Average humidity in September: 78%
The months with the highest relative humidity are March and April (84%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Nova Iguaçu, Brazil
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is January (148mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days in September
Nova Iguaçu, Brazil
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is December (25.7 days).
The month with the least rainy days is August (10.8 days).
Average daylight in September /
Average sunshine in September
Nova Iguaçu, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is February (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in September
Nova Iguaçu, Brazil
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is December (3.9 days).
Average UV index in September
Nova Iguaçu, Brazil
- Average UV index in September: 5
The month with the highest UV index is December (UV index 7).
The months with the lowest UV index are April, May, July and September (UV index 5).
Average cloud cover in September
Nova Iguaçu, Brazil
- Average cloud cover in September: 39
The month with the most cloud cover is November (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Nova Iguaçu, Brazil
- Average visibility in September: 9km
The months with the highest visibility are February, June, July, August, September and October (9km).
The months with the lowest visibility are January, March, April, May, November and December (8km).
