September weather forecastCastilblanco, Spain

September

Weather in September

The first month of the autumn, September, is still a warm month in Castilblanco, Spain, with an average temperature ranging between max 29.1°C (84.4°F) and min 15.8°C (60.4°F).

Temperature

The arrival of September signals a subtle shift in temperature, down from a tropical 33.9°C (93°F) in August to a moderately hot 29.1°C (84.4°F). Contrary to the day's heat, an average low-temperature of 15.8°C (60.4°F) is recorded during the nights in September.

Heat index

The heat index value during September is estimated at 29°C (84.2°F). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
Realize that the values for the heat index are set for shaded places and light winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

In Castilblanco, the average relative humidity in September is 42%.

Rainfall

In Castilblanco, in September, during 3.7 rainfall days, 9mm (0.35") of precipitation is typically accumulated. Throughout the year, there are 76.3 rainfall days, and 229mm (9.02") of precipitation is accumulated.

Snowfall

In Castilblanco, snow does not fall in March through December.

Daylight

The average length of the day in September in Castilblanco is 12h and 26min.
On the first day of September in Castilblanco, sunrise is at 07:49 and sunset at 20:51. On the last day of the month, sunrise is at 08:15 and sunset at 20:04 CEST.

Sunshine

The average sunshine in September in Castilblanco is 9.6h.

UV index

In September, the average daily maximum UV index in Castilblanco is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

In Castilblanco, 29.1°C (84.4°F) is the average high-temperature and 15.8°C (60.4°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is estimated at 29°C (84.2°F).

In September, the average relative humidity is 42%.

In September, in Castilblanco, the rain falls for 3.7 days. Throughout September, 9mm (0.35") of precipitation is accumulated.

In Castilblanco, snow does not fall in March through December.

In September, the average day length in Castilblanco, Spain, is 12h and 26min.

On the first day of September in Castilblanco, sunrise is at 07:49 and sunset at 20:51. On the last day of the month, sunrise is at 08:15 and sunset at 20:04 CEST.

In September, the average sunshine duration is 9.6h.

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Castilblanco, Spain

  • Average high temperature in September: 29.1°C

The warmest month (with the highest average high temperature) is July (34°C).
The month with the lowest average high temperature is January (11.5°C).

  • Average low temperature in September: 15.8°C

The months with the highest average low temperature are July and August (19.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).

Average pressure in September
Castilblanco, Spain

  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1023.7mbar).
The month with the lowest atmospheric pressure is April (1015mbar).

Average wind speed in September
Castilblanco, Spain

  • Average wind speed in September: 8.3km/h

The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is October (8.2km/h).

Average humidity in September
Castilblanco, Spain

  • Average humidity in September: 42%

The month with the highest relative humidity is January (75%).
The months with the lowest relative humidity are July and August (32%).

Average rainfall in September
Castilblanco, Spain

  • Average rainfall in September: 9mm

The wettest month (with the highest rainfall) is April (34mm).
The driest month (with the least rainfall) is July (5mm).

Average rainfall days in September
Castilblanco, Spain

  • Average rainfall days in September: 3.7 days

The month with the highest number of rainy days is March (10.7 days).
The month with the least rainy days is August (1.8 days).

Average snowfall in September
Castilblanco, Spain

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Castilblanco, Spain

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 36min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in September
Castilblanco, Spain

  • Average sunshine days in September: 25 days

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is April (17.2 days).

Average UV index in September
Castilblanco, Spain

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in September
Castilblanco, Spain

  • Average cloud cover in September: 13

The month with the most cloud cover is January (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 6).

Average visibility in September
Castilblanco, Spain

  • Average visibility in September: 10km

The months with the highest visibility are February, March, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and April (9km).