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
Weather in September
Temperature
Nossa Senhora das Graças observes an average high-temperature of a still moderately hot 27.8°C (82°F) in September, barely different from 25°C (77°F) in August. Nossa Senhora das Graças experiences a dramatic descent in temperature during September, with the average nighttime reading settling at a moderate 15.8°C (60.4°F).Heat index
September's heat index is evaluated at a hot 30°C (86°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is an estimation of the warmth sensation when considering humidity levels. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. 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 remain especially vital for babies and toddlers. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
September is the least humid month in Nossa Senhora das Graças, with an average relative humidity of 66%.Rainfall
In September, in Nossa Senhora das Graças, the rain falls for 10.4 days. Throughout September, 60mm (2.36") of precipitation is accumulated. Throughout the year, there are 190.6 rainfall days, and 1189mm (46.81") of precipitation is accumulated.Daylight
In Nossa Senhora das Graças, the average length of the day in September is 11h and 58min.On the first day of the month, sunrise is at 06:36 and sunset at 18:17. On the last day of September, in Nossa Senhora das Graças, sunrise is at 06:07 and sunset at 18:26 -03.
Sunshine
In September, the average sunshine is 9h.UV index
The months with the highest UV index are January through March, August through November, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Nossa Senhora das Graças?
What is the least humid month in Nossa Senhora das Graças?
What is the average humidity in September in Nossa Senhora das Graças?
How much does it rain in Nossa Senhora das Graças in September?
What is the average length of the day in September in Nossa Senhora das Graças?
When are sunrise and sunset in September in Nossa Senhora das Graças?
How many hours of sunshine does Nossa Senhora das Graças have in September?
What is the month with the highest UV index in Nossa Senhora das Graças?
What is the UV index intensity in September in Nossa Senhora das Graças?
Average temperature in September
Nossa Senhora das Graças, Brazil
- Average high temperature in September: 27.8°C
The warmest month (with the highest average high temperature) is October (28.5°C).
The month with the lowest average high temperature is June (21.4°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is February (19.5°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).
Average pressure in September
Nossa Senhora das Graças, Brazil
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in September
Nossa Senhora das Graças, Brazil
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is August (12.2km/h).
The calmest months (with the lowest average wind speed) are January and February (9km/h).
Average humidity in September
Nossa Senhora das Graças, Brazil
- Average humidity in September: 66%
The months with the highest relative humidity are January, February and June (87%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Nossa Senhora das Graças, Brazil
- Average rainfall in September: 60mm
The wettest month (with the highest rainfall) is January (169mm).
The driest month (with the least rainfall) is August (55mm).
Average rainfall days in September
Nossa Senhora das Graças, Brazil
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is January (24.8 days).
The month with the least rainy days is August (8.3 days).
Average daylight in September /
Average sunshine in September
Nossa Senhora das Graças, 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 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Nossa Senhora das Graças, Brazil
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in September
Nossa Senhora das Graças, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July and December (UV index 5).
Average cloud cover in September
Nossa Senhora das Graças, Brazil
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Nossa Senhora das Graças, Brazil
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
Nossa Senhora das Graças, Brazil
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