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 sea temperature 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
Transitioning into September, São Francisco do Conde records an average high-temperature of a still warm 28.2°C (82.8°F), almost identical to August's 26.9°C (80.4°F). São Francisco do Conde, in September, experiences an average temperature of 19.3°C (66.7°F) at night.Heat index
The heat index for September is computed to be a hot 33°C (91.4°F). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.When referencing the heat index, its values are suitable for shady environments and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 18.3 days and accumulates 30mm (1.18") of precipitation.Sea temperature
In September, the average sea temperature is 25.8°C (78.4°F).Note: For any water activity, surface water temperatures from 25°C (77°F) to 29°C (84.2°F) are deemed perfect and extremely pleasing for enduring enjoyment.
Daylight
In São Francisco do Conde, the average length of the day in September is 12h and 2min.On the first day of September in São Francisco do Conde, sunrise is at 05:38 and sunset at 17:30. On the last day of the month, sunrise is at 05:18 and sunset at 17:30 -03.
Sunshine
In São Francisco do Conde, Brazil, the average sunshine in September is 7h.UV index
In September, the average daily maximum UV index in São Francisco do Conde is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 6 in September converts into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in São Francisco do Conde in September?
What is the average humidity in September in São Francisco do Conde?
What is the driest month in São Francisco do Conde?
How many days does it rain in September in São Francisco do Conde?
What is the sea water temperature in September in São Francisco do Conde?
How many hours of daylight does São Francisco do Conde have in September?
When are sunrise and sunset in September in São Francisco do Conde?
How long on average sun shines in September in São Francisco do Conde?
How high is the UV index in September in São Francisco do Conde?
Average temperature in September
São Francisco do Conde, Brazil
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is March (32.4°C).
The month with the lowest average high temperature is July (26.4°C).
- Average low temperature in September: 19.3°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
São Francisco do Conde, Brazil
- Average pressure in September: 1017.2mbar
The months with the highest atmospheric pressure are July and August (1018.3mbar).
The months with the lowest atmospheric pressure are March and December (1012.4mbar).
Average wind speed in September
São Francisco do Conde, Brazil
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is September (8.9km/h).
The calmest month (with the lowest average wind speed) is April (7.7km/h).
Average humidity in September
São Francisco do Conde, Brazil
- Average humidity in September: 80%
The months with the highest relative humidity are June and July (86%).
The month with the lowest relative humidity is February (74%).
Average rainfall in September
São Francisco do Conde, Brazil
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (88mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
São Francisco do Conde, Brazil
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is July (25.3 days).
The month with the least rainy days is December (15 days).
Average sea temperature in September
São Francisco do Conde, Brazil
- Average sea temperature in September: 25.8°C
The best month for swimming (with the highest average sea temperature) is March (28.6°C).
The coldest month (with the lowest average sea temperature) is August (25.7°C).
Average daylight in September /
Average sunshine in September
São Francisco do Conde, 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: 7h and 0min
The month with the most sunshine is January (Average sunshine: 10h and 0min).
The month with the least sunshine is May (Average sunshine: 5h and 42min).
Average sunshine days in September
São Francisco do Conde, Brazil
- Average sunshine days in September: 6.4 days
The month with the most sunshine days is December (12.8 days).
The month with the least sunshine days is July (2.5 days).
Average UV index in September
São Francisco do Conde, Brazil
- Average UV index in September: 6
The months with the highest UV index are January, February, March, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 5).
Average cloud cover in September
São Francisco do Conde, Brazil
- Average cloud cover in September: 47
The month with the most cloud cover is May (Cloud cover 58).
The month with the least cloud cover is February (Cloud cover 38).
Average visibility in September
São Francisco do Conde, Brazil
- Average visibility in September: 7km
The month with the highest visibility is February (9km).
The months with the lowest visibility are May, June, July, August and September (7km).
