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
With the onset of September, a modest change to a still moderately hot 28.2°C (82.8°F) from August's 26.6°C (79.9°F) is noted in high-temperature. Throughout September, Sapeaçu experiences a low-temperature average of 19°C (66.2°F).Heat index
September's heat index is computed to be a hot 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index's context suggests values are appropriate for shady areas and slight breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance 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
In Sapeaçu, Brazil, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 19.7 days. Throughout September, 29mm (1.14") of precipitation is accumulated. In Sapeaçu, during the entire year, the rain falls for 243.3 days and collects up to 519mm (20.43") of precipitation.Daylight
The average length of the day in September in Sapeaçu is 12h and 2min.On the first day of the month, sunrise is at 05:40 and sunset at 17:32. On the last day of September, in Sapeaçu, sunrise is at 05:20 and sunset at 17:32 -03.
Sunshine
The average sunshine in September in Sapeaçu is 6.7h.UV index
In September, the average daily maximum UV index in Sapeaçu is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 6 suggests these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Sapeaçu?
What is the average humidity in September in Sapeaçu?
How much does it rain in Sapeaçu in September?
How many hours of daylight does Sapeaçu have in September?
When are sunrise and sunset in September in Sapeaçu?
How long on average sun shines in September in Sapeaçu?
What is the UV index reading in September in Sapeaçu?
Average temperature in September
Sapeaçu, Brazil
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is March (32.6°C).
The month with the lowest average high temperature is July (26.3°C).
- Average low temperature in September: 19°C
The month with the highest average low temperature is March (22.3°C).
The coldest month (with the lowest average low temperature) is August (18.5°C).
Average pressure in September
Sapeaçu, Brazil
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is July (1018.7mbar).
The months with the lowest atmospheric pressure are March and December (1012.6mbar).
Average wind speed in September
Sapeaçu, Brazil
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is September (11km/h).
The calmest months (with the lowest average wind speed) are March and April (9.6km/h).
Average humidity in September
Sapeaçu, Brazil
- Average humidity in September: 80%
The months with the highest relative humidity are June and July (85%).
The month with the lowest relative humidity is February (73%).
Average rainfall in September
Sapeaçu, Brazil
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in September
Sapeaçu, Brazil
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is August (24.7 days).
The month with the least rainy days is February (16.7 days).
Average daylight in September /
Average sunshine in September
Sapeaçu, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in September: 6h and 4min
The months with the most sunshine are January and February (Average sunshine: 9h and 48min).
The month with the least sunshine is May (Average sunshine: 5h and 24min).
Average sunshine days in September
Sapeaçu, Brazil
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is March (11 days).
The month with the least sunshine days is August (3.5 days).
Average UV index in September
Sapeaçu, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
Sapeaçu, Brazil
- Average cloud cover in September: 50
The month with the most cloud cover is May (Cloud cover 61).
The month with the least cloud cover is February (Cloud cover 39).
Average visibility in September
Sapeaçu, Brazil
- Average visibility in September: 8km
The months with the highest visibility are January, February, March and November (9km).
The months with the lowest visibility are May, June and July (7km).
