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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a tropical 34.4°C (93.9°F) to a warm 29.7°C (85.5°F). Barrancos, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 15.9°C (60.6°F).Heat index
The heat index value during September is appraised at a tropical 31°C (87.8°F). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Realize that the values for the heat index are set for shaded places and light winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In September, the average relative humidity in Barrancos is 51%.Rainfall
In Barrancos, in September, during 5.2 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, there are 90.1 rainfall days, and 296mm (11.65") of precipitation is accumulated.Daylight
The average length of the day in September in Barrancos, Portugal, is 12h and 26min.On the first day of September in Barrancos, Portugal, sunrise is at 06:58 and sunset at 19:57. On the last day of the month, sunrise is at 07:23 and sunset at 19:12 WEST.
Sunshine
The average sunshine in September is 9.6h.UV index
In Barrancos, Portugal, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Barrancos in September?
What is the average humidity in September in Barrancos?
How many days does it rain in September in Barrancos?
How many hours of daylight does Barrancos have in September?
What time are sunrise and sunset in September in Barrancos?
How long on average sun shines in September in Barrancos?
What is the UV index reading in September in Barrancos?
Average temperature in September
Barrancos, Portugal
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is August (34.4°C).
The month with the lowest average high temperature is January (13.1°C).
- Average low temperature in September: 15.9°C
The month with the highest average low temperature is August (17.2°C).
The coldest month (with the lowest average low temperature) is January (4°C).
Average pressure in September
Barrancos, Portugal
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The month with the lowest atmospheric pressure is August (1015.1mbar).
Average wind speed in September
Barrancos, Portugal
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).
Average humidity in September
Barrancos, Portugal
- Average humidity in September: 51%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (42%).
Average rainfall in September
Barrancos, Portugal
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is March (45mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Barrancos, Portugal
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (1.3 days).
Average daylight in September /
Average sunshine in September
Barrancos, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Barrancos, Portugal
- Average sunshine days in September: 24 days
The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is April (16.3 days).
Average UV index in September
Barrancos, Portugal
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Barrancos, Portugal
- Average cloud cover in September: 17
The months with the most cloud cover are January and April (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Barrancos, Portugal
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January and April (8km).
