September weather forecastLutécia, Brazil
September
Weather in September
September, the first month of the spring in Lutécia, is still a warm month, with an average temperature varying between 17.2°C (63°F) and 29.4°C (84.9°F).Temperature
The advent of September sees the average high-temperature at a still moderately hot 29.4°C (84.9°F), subtly shifted from August's 26.8°C (80.2°F). Lutécia records a marked divergence from the day's high temperatures, with nights in September averaging at a refreshing 17.2°C (63°F).Heat index
During September, the heat index is computed to be a tropical 32°C (89.6°F). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', binds temperature metrics with humidity values to give a sense of the actual warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
September is the least humid month, with an average relative humidity of 61%.Rainfall
In September, the rain falls for 9.6 days. Throughout September, 44mm (1.73") of precipitation is accumulated. In Lutécia, during the entire year, the rain falls for 183.1 days and collects up to 914mm (35.98") of precipitation.Daylight
In Lutécia, Brazil, the average length of the day in September is 11h and 59min.On the first day of the month, sunrise is at 06:30 and sunset at 18:11. On the last day of September, sunrise is at 06:02 and sunset at 18:20 -03.
Sunshine
In Lutécia, the average sunshine in September is 9h.UV index
The months with the highest UV index in Lutécia are January through March, August through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 suggests this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lutécia, Brazil
- Average high temperature in September: 29.4°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The month with the lowest average high temperature is June (23.2°C).
- Average low temperature in September: 17.2°C
The month with the highest average low temperature is February (20.2°C).
The coldest months (with the lowest average low temperature) are June and July (14.3°C).
Average pressure in September
Lutécia, Brazil
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in September
Lutécia, Brazil
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is August (11.3km/h).
The calmest month (with the lowest average wind speed) is February (8.2km/h).
Average humidity in September
Lutécia, Brazil
- Average humidity in September: 61%
The months with the highest relative humidity are January, February and March (86%).
The month with the lowest relative humidity is September (61%).
Average rainfall in September
Lutécia, Brazil
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is January (151mm).
The driest month (with the least rainfall) is July (31mm).
Average rainfall days in September
Lutécia, Brazil
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is January (25 days).
The month with the least rainy days is August (5.4 days).
Average daylight in September /
Average sunshine in September
Lutécia, 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: 9h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).
Average sunshine days in September
Lutécia, Brazil
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (4.7 days).
Average UV index in September
Lutécia, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May, June and July (UV index 5).
Average cloud cover in September
Lutécia, Brazil
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Lutécia, 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 and May (7km).





