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
With September's arrival, Ajuda notes an average high-temperature of a still moderately hot 24.9°C (76.8°F), closely following the trend of the preceding month. Ajuda throughout September, experiences an average nighttime temperature of 18°C (64.4°F).Humidity
May, August and September, with an average relative humidity of 70%, are the least humid months in Ajuda.Rainfall
In September, the rain falls for 5.9 days. Throughout September, 20mm (0.79") of precipitation is accumulated. Throughout the year, there are 112.9 rainfall days, and 390mm (15.35") of precipitation is accumulated.Daylight
In Ajuda, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 07:06 and sunset at 20:06. On the last day of September, in Ajuda, sunrise is at 07:32 and sunset at 19:20 WEST.
Sunshine
In September, the average sunshine in Ajuda is 9.3h.UV index
The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are the temperatures in Ajuda in September?
What is the least humid month in Ajuda?
What is the average humidity in September in Ajuda?
How much does it rain in Ajuda in September?
How many hours of daylight does Ajuda have in September?
What time are sunrise and sunset in September in Ajuda?
How many hours of sunshine does Ajuda have in September?
What are the months with the highest UV index in Ajuda?
What is the UV index intensity in September in Ajuda?
Average temperature in September
Ajuda, Portugal
- Average high temperature in September: 24.9°C
The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (14.5°C).
- Average low temperature in September: 18°C
The months with the highest average low temperature are July and August (18.1°C).
The coldest month (with the lowest average low temperature) is February (10.3°C).
Average pressure in September
Ajuda, Portugal
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1022.6mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Ajuda, Portugal
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is October (14.1km/h).
Average humidity in September
Ajuda, Portugal
- Average humidity in September: 70%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are May, August and September (70%).
Average rainfall in September
Ajuda, Portugal
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is July (2mm).
Average rainfall days in September
Ajuda, Portugal
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is August (2.6 days).
Average daylight in September /
Average sunshine in September
Ajuda, 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 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Ajuda, Portugal
- Average sunshine days in September: 22.6 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is November (13.3 days).
Average UV index in September
Ajuda, Portugal
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Ajuda, Portugal
- Average cloud cover in September: 18
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Ajuda, Portugal
- 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).
Ajuda, Portugal
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