September weather forecastCastropol, Spain

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Castropol, Spain, with temperature in the range of an average high of 21.5°C (70.7°F) and an average low of 13.2°C (55.8°F).

Temperature

During September, Castropol records an average high-temperature of a still pleasant 21.5°C (70.7°F), marking a slight divergence from August's 22.4°C (72.3°F). Castropol experiences an average low-temperature of 13.2°C (55.8°F) in month of September.

Humidity

In Castropol, the average relative humidity in September is 80%.

Rainfall

The month with the least rainfall in Castropol, Spain, is September, when the rain falls for 11.6 days and typically collects 24mm (0.94") of precipitation.

Snowfall

In Castropol, snow does not fall in January, March through December.

Sea temperature

In Castropol, in September, the average water temperature is 19.1°C (66.4°F).
Note: Swimming in water of 19.1°C (66.4°F) is not enjoyable for the majority of individuals. Breathing control becomes increasingly challenging as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in September is 12h and 30min.
On the first day of September, sunrise is at 07:52 and sunset at 21:03. On the last day of the month, sunrise is at 08:25 and sunset at 20:10 CEST.

Sunshine

In Castropol, the average sunshine in September is 7.7h.

UV index

The months with the highest UV index in Castropol are May through September, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

The average high-temperature and low-temperature during September are 21.5°C (70.7°F) and 13.2°C (55.8°F) respectively.

In September, the average relative humidity in Castropol is 80%.

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 24mm (0.94") of precipitation.

In Castropol, in September, during 11.6 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

In Castropol, Spain, snow does not fall in January, March through December.

In September, the average sea temperature in Castropol is 19.1°C (66.4°F). For swimming, a surface water temperature of 19.1°C (66.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

In Castropol, the average day length in September is 12h and 30min.

In September, on the first day of the month, sunrise is at 07:52 and sunset at 21:03. On the last day of the month, in Castropol, sunrise is at 08:25 and sunset at 20:10 CEST.

In September, the average sunshine duration in Castropol, Spain, is 7.7h.

May through September, with an average maximum UV index of 5, are months with the highest UV index in Castropol.

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium 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 snowfall
Average snowfall days
Average sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Castropol, Spain

  • Average high temperature in September: 21.5°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (11.3°C).

  • Average low temperature in September: 13.2°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).

Average pressure in September
Castropol, Spain

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in September
Castropol, Spain

  • Average wind speed in September: 9.5km/h

The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).

Average humidity in September
Castropol, Spain

  • Average humidity in September: 80%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (78%).

Average rainfall in September
Castropol, Spain

  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is November (108mm).
The driest month (with the least rainfall) is September (24mm).

Average rainfall days in September
Castropol, Spain

  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is January (19.5 days).
The month with the least rainy days is September (11.6 days).

Average snowfall in September
Castropol, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (3mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Castropol, Spain

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in September
Castropol, Spain

  • Average sea temperature in September: 19.1°C

The best month for swimming (with the highest average sea temperature) is August (19.7°C).
The coldest month (with the lowest average sea temperature) is March (12.8°C).

Average daylight in September /
Average sunshine in September
Castropol, Spain

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Castropol, Spain

  • Average sunshine days in September: 14 days

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is November (7.7 days).

Average UV index in September
Castropol, Spain

  • Average UV index in September: 5

The months with the highest UV index are May, June, July, August and September (UV index 5).
The month with the lowest UV index is February (UV index 2).

Average cloud cover in September
Castropol, Spain

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is October (Cloud cover 40).

Average visibility in September
Castropol, Spain

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, October, November and December (9km).
The months with the lowest visibility are May, June, July, August and September (8km).