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
Trás os Montes transitions into September recording an average high-temperature of a still warm 28.1°C (82.6°F), closely aligning with the preceding month's temperature. In September, a low-temperature average of 25.8°C (78.4°F) is characteristic of Trás os Montes, marking a minor shift from daytime temperatures.Heat index
For most parts of September, the heat index is appraised at a hot 32°C (89.6°F). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The months with the highest humidity are June through September, with an average relative humidity of 79%.Rainfall
September is the month with the most rainfall in Trás os Montes. Rain falls for 13.1 days and accumulates 50mm (1.97") of precipitation.Daylight
In Trás os Montes, Cape Verde, the average length of the day in September is 12h and 13min.On the first day of September in Trás os Montes, sunrise is at 06:22 and sunset at 18:47. On the last day of the month, sunrise is at 06:24 and sunset at 18:24 -01.
Sunshine
In Trás os Montes, the average sunshine in September is 8h.UV index
The months with the highest UV index in Trás os Montes, Cape Verde, are August through November, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Trás os Montes?
What are the most humid months in Trás os Montes?
What is the average humidity in September in Trás os Montes?
What is the rainiest month in Trás os Montes?
How much does it rain in Trás os Montes in September?
How many hours of daylight does Trás os Montes have in September?
When is the sunrise / sunset in September in Trás os Montes?
How many hours of sunshine does Trás os Montes have in September?
What are the months with the highest UV index in Trás os Montes?
What is the UV index reading in September in Trás os Montes?
Average temperature in September
Trás os Montes, Cape Verde
- Average high temperature in September: 28.1°C
The warmest month (with the highest average high temperature) is October (28.4°C).
The months with the lowest average high temperature are February and March (23.7°C).
- Average low temperature in September: 25.8°C
The months with the highest average low temperature are September and October (25.8°C).
The coldest month (with the lowest average low temperature) is February (20.9°C).
Average pressure in September
Trás os Montes, Cape Verde
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1015.2mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).
Average wind speed in September
Trás os Montes, Cape Verde
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is February (25.8km/h).
The calmest month (with the lowest average wind speed) is August (14km/h).
Average humidity in September
Trás os Montes, Cape Verde
- Average humidity in September: 79%
The months with the highest relative humidity are June, July, August and September (79%).
The month with the lowest relative humidity is January (69%).
Average rainfall in September
Trás os Montes, Cape Verde
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is September (50mm).
The driest months (with the least rainfall) are January, March and May (1mm).
Average rainfall days in September
Trás os Montes, Cape Verde
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is September (13.1 days).
The month with the least rainy days is January (0.7 days).
Average daylight in September /
Average sunshine in September
Trás os Montes, Cape Verde
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 0min).
Average sunshine days in September
Trás os Montes, Cape Verde
- Average sunshine days in September: 13.1 days
The months with the most sunshine days are January and May (29.3 days).
The month with the least sunshine days is September (13.1 days).
Average UV index in September
Trás os Montes, Cape Verde
- Average UV index in September: 7
The months with the highest UV index are August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July and December (UV index 6).
Average cloud cover in September
Trás os Montes, Cape Verde
- Average cloud cover in September: 44
The month with the most cloud cover is August (Cloud cover 52).
The month with the least cloud cover is May (Cloud cover 13).
Average visibility in September
Trás os Montes, Cape Verde
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
