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
The start of September sees the average high-temperature at a still warm 24.7°C (76.5°F), showing little difference from August's 25.6°C (78.1°F). Serra do Bouro's temperature in September lowers to a consistent average of 16.5°C (61.7°F) during the nights.Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 72%.Rainfall
In September, in Serra do Bouro, the rain falls for 4.9 days. Throughout September, 8mm (0.31") of precipitation is accumulated. Throughout the year, in Serra do Bouro, there are 101.9 rainfall days, and 170mm (6.69") of precipitation is accumulated.Daylight
The average length of the day in September in Serra do Bouro is 12h and 26min.On the first day of September in Serra do Bouro, sunrise is at 07:05 and sunset at 20:07. On the last day of the month, sunrise is at 07:32 and sunset at 19:20 WEST.
Sunshine
In Serra do Bouro, Portugal, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What are the temperatures in Serra do Bouro in September?
What are the least humid months in Serra do Bouro?
What is the average humidity in September in Serra do Bouro?
How much does it rain in Serra do Bouro in September?
What is the average length of the day in September in Serra do Bouro?
When are sunrise and sunset in September in Serra do Bouro?
How long on average sun shines in September in Serra do Bouro?
What is the UV index intensity in September in Serra do Bouro?
Average temperature in September
Serra do Bouro, Portugal
- Average high temperature in September: 24.7°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (14°C).
- Average low temperature in September: 16.5°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is February (8.8°C).
Average pressure in September
Serra do Bouro, Portugal
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Serra do Bouro, Portugal
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is September (13.6km/h).
Average humidity in September
Serra do Bouro, Portugal
- Average humidity in September: 72%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are September and October (72%).
Average rainfall in September
Serra do Bouro, Portugal
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is November (34mm).
The driest months (with the least rainfall) are July and August (3mm).
Average rainfall days in September
Serra do Bouro, Portugal
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is November (13.7 days).
The month with the least rainy days is August (3 days).
Average daylight in September /
Average sunshine in September
Serra do Bouro, Portugal
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Serra do Bouro, Portugal
- Average sunshine days in September: 23.3 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in September
Serra do Bouro, Portugal
- Average UV index in September: 5
The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in September
Serra do Bouro, Portugal
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are August and September (Cloud cover 21).
Average visibility in September
Serra do Bouro, Portugal
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
The months with the lowest visibility are July and August (9km).
Serra do Bouro, Portugal
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