September weather forecastBicos, Portugal

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Bicos, Portugal, with temperature in the range of an average high of 23.5°C (74.3°F) and an average low of 18.8°C (65.8°F).

Temperature

The arrival of September is marked by an average high-temperature of a still warm 23.5°C (74.3°F), bearing a close resemblance to August. Bicos encounters an average temperature dip to a comfortable 18.8°C (65.8°F) throughout September, subtly lower than its daytime maximum.

Humidity

The average relative humidity in September is 73%.

Rainfall

In Bicos, during September, the rain falls for 4.2 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, in Bicos, there are 94.7 rainfall days, and 328mm (12.91") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 07:04 and sunset at 20:03. On the last day of September, in Bicos, sunrise is at 07:29 and sunset at 19:18 WEST.

Sunshine

In September, the average sunshine in Bicos is 9.4h.

UV index

The months with the highest UV index in Bicos 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 daily UV index of 6 during September morphs into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

September temperatures vary between a high-temperature of 23.5°C (74.3°F) and a low-temperature of 18.8°C (65.8°F).

In September, the average relative humidity in Bicos is 73%.

In September, in Bicos, Portugal, the rain falls for 4.2 days. Throughout September, 14mm (0.55") of precipitation is accumulated.

The average day length in September in Bicos is 12h and 25min.

On the first day of September, sunrise is at 07:04 and sunset at 20:03. On the last day of the month, sunrise is at 07:29 and sunset at 19:18 WEST.

In September, the average sunshine duration is 9.4h.

The months with the highest UV index in Bicos are June through September, with an average maximum UV index of 6.

The average daily maximum UV index in September in Bicos is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bicos, Portugal

  • Average high temperature in September: 23.5°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is February (14.8°C).

  • Average low temperature in September: 18.8°C

The months with the highest average low temperature are August and September (18.8°C).
The coldest month (with the lowest average low temperature) is February (10.8°C).

Average pressure in September
Bicos, Portugal

  • Average pressure in September: 1016.9mbar

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
Bicos, Portugal

  • Average wind speed in September: 15km/h

The windiest month (with the highest average wind speed) is February (19.4km/h).
The calmest month (with the lowest average wind speed) is September (15km/h).

Average humidity in September
Bicos, Portugal

  • Average humidity in September: 73%

The month with the highest relative humidity is April (76%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Bicos, Portugal

  • Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is November (56mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in September
Bicos, Portugal

  • Average rainfall days in September: 4.2 days

The month with the highest number of rainy days is November (13.4 days).
The month with the least rainy days is August (1.1 days).

Average daylight in September /
Average sunshine in September
Bicos, 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 36min).

  • Average sunshine in September: 9h and 24min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

Average sunshine days in September
Bicos, Portugal

  • Average sunshine days in September: 25.1 days

The month with the most sunshine days is August (29.4 days).
The month with the least sunshine days is April (15.3 days).

Average UV index in September
Bicos, Portugal

  • Average UV index in September: 6

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).

Average cloud cover in September
Bicos, Portugal

  • Average cloud cover in September: 16

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in September
Bicos, 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).