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 advent of September sees the average high-temperature at a still pleasant 22.1°C (71.8°F), subtly shifted from August's 22.8°C (73°F). During the nights in September, Darque experiences a consistent average temperature of 16.2°C (61.2°F).Humidity
With an average relative humidity of 74%, September is the least humid month.Rainfall
In Darque, during September, the rain falls for 7.4 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, in Darque, there are 144.4 rainfall days, and 902mm (35.51") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 07:01 and sunset at 20:08. On the last day of September, sunrise is at 07:31 and sunset at 19:18 WEST.
Sunshine
The average sunshine in September in Darque, Portugal, is 9.1h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the usual temperature for Darque in September?
What is the least humid month in Darque?
What is the average humidity in September in Darque?
How many days does it rain in September in Darque?
What is the average length of the day in September in Darque?
When are sunrise and sunset in September in Darque?
How long on average sun shines in September in Darque?
What are the months with the highest UV index in Darque?
What is the UV index reading in September in Darque?
Average temperature in September
Darque, Portugal
- Average high temperature in September: 22.1°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 16.2°C
The month with the highest average low temperature is August (16.5°C).
The coldest month (with the lowest average low temperature) is February (8.6°C).
Average pressure in September
Darque, Portugal
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Darque, Portugal
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is February (16.8km/h).
The calmest month (with the lowest average wind speed) is September (12.4km/h).
Average humidity in September
Darque, Portugal
- Average humidity in September: 74%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is September (74%).
Average rainfall in September
Darque, Portugal
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is November (147mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in September
Darque, Portugal
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is August (5.8 days).
Average daylight in September /
Average sunshine in September
Darque, Portugal
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Darque, Portugal
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is November (11.5 days).
Average UV index in September
Darque, 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
Darque, Portugal
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 19).
Average visibility in September
Darque, Portugal
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, September, October and December (10km).
The months with the lowest visibility are January, August and November (9km).
Darque, Portugal
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