September weather forecastMindelo, Portugal
September
Weather in September
September, the first month of the autumn in Mindelo, is still a pleasant month, with an average temperature fluctuating between 16.4°C (61.5°F) and 22.8°C (73°F).Temperature
The onset of September notes an average high-temperature of a pleasant 22.8°C (73°F), subtly shifted from August's 23.5°C (74.3°F). Mindelo, during September, witnesses an average low-temperature of 16.4°C (61.5°F).Humidity
With an average relative humidity of 72%, September is the least humid month.Rainfall
In Mindelo, Portugal, during September, the rain falls for 5.8 days and regularly aggregates up to 27mm (1.06") of precipitation. In Mindelo, during the entire year, the rain falls for 130.4 days and collects up to 762mm (30") of precipitation.Daylight
The average length of the day in September in Mindelo is 12h and 28min.On the first day of September, sunrise is at 07:01 and sunset at 20:07. On the last day of the month, sunrise is at 07:31 and sunset at 19:18 WEST.
Sunshine
In Mindelo, the average sunshine in September is 9.2h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index in Mindelo. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mindelo, Portugal
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 16.4°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (8.5°C).
Average pressure in September
Mindelo, Portugal
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1022.3mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Mindelo, Portugal
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is February (15.5km/h).
The calmest month (with the lowest average wind speed) is September (11.7km/h).
Average humidity in September
Mindelo, Portugal
- Average humidity in September: 72%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is September (72%).
Average rainfall in September
Mindelo, Portugal
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (121mm).
The driest month (with the least rainfall) is July (7mm).
Average rainfall days in September
Mindelo, Portugal
- Average rainfall days in September: 5.8 days
The month with the highest number of rainy days is November (16.4 days).
The month with the least rainy days is August (4.3 days).
Average daylight in September /
Average sunshine in September
Mindelo, Portugal
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Mindelo, Portugal
- Average sunshine days in September: 23.3 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Mindelo, Portugal
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Mindelo, Portugal
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 17).
Average visibility in September
Mindelo, Portugal
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (10km).
The months with the lowest visibility are January and August (9km).
