September weather forecastFaro, Portugal
September
Weather in September
September sees the onset of the fall season in Faro, with a gradual decrease in temperatures. The days remain fairly warm, with the sea maintaining its warm temperatures from the summer peak. Rainfall begins to increase once again to 2mm (0.08"). Sunshine hours decrease to 12.4 hours, but remain enough for sightseeing and other outdoor activities. September, with its mild fall weather, is particularly enchanting, attracting a large number of tourists.Temperature
September in Faro registers an average high-temperature of a still warm 24.6°C (76.3°F), slightly varied from August's 27.2°C (81°F). Faro marks an average drop to an enjoyable 19.8°C (67.6°F) during nighttime in September, following the high of the day.Humidity
In September, the average relative humidity is 68%.Rainfall
In September, in Faro, Portugal, the rain falls for 1.9 days. Throughout September, 2mm (0.08") of precipitation is accumulated. In Faro, during the entire year, the rain falls for 47.8 days and collects up to 84mm (3.31") of precipitation.Sea temperature
In Faro, Portugal, the average seawater temperature in September is 21.6°C (70.9°F).Note: Most people find swimming in 21.6°C (70.9°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 07:02 and sunset at 20:00. On the last day of September, in Faro, sunrise is at 07:26 and sunset at 19:16 WEST.
Sunshine
In September, the average sunshine in Faro is 9.5h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Notice! Sand and water reflections contribute to a stronger UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Faro, Portugal
- Average high temperature in September: 24.6°C
The warmest month (with the highest average high temperature) is August (27.2°C).
The month with the lowest average high temperature is January (15.3°C).
- Average low temperature in September: 19.8°C
The month with the highest average low temperature is August (20.6°C).
The coldest month (with the lowest average low temperature) is February (11.1°C).
Average pressure in September
Faro, Portugal
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is December (1022.5mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Faro, Portugal
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is March (19km/h).
The calmest month (with the lowest average wind speed) is September (12.8km/h).
Average humidity in September
Faro, Portugal
- Average humidity in September: 68%
The months with the highest relative humidity are January and April (74%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Faro, Portugal
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is November (16mm).
The driest month (with the least rainfall) is July (0mm).
Average rainfall days in September
Faro, Portugal
- Average rainfall days in September: 1.9 days
The month with the highest number of rainy days is April (7.3 days).
The month with the least rainy days is August (0.7 days).
Average sea temperature in September
Faro, Portugal
- Average sea temperature in September: 21.6°C
The best month for swimming (with the highest average sea temperature) is August (22.1°C).
The coldest month (with the lowest average sea temperature) is March (15.9°C).
Average daylight in September /
Average sunshine in September
Faro, Portugal
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Faro, Portugal
- Average sunshine days in September: 27 days
The month with the most sunshine days is July (30 days).
The month with the least sunshine days is April (20.9 days).
Average UV index in September
Faro, Portugal
- Average UV index in September: 6
The months with the highest UV index are May, June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in September
Faro, Portugal
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 30).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Faro, 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).
