September weather forecast
Jaén, Spain

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The cathedral with a picturesque mountain landscape in the densely populated city of Jaen, Spain
The cathedral with a picturesque mountain landscape in the densely populated city of Jaen, Spain

Weather in September

September in Jaén marks the beginning of autumn and a gradual drop in temperatures from the peak summer highs. After August, September is significantly cooler, enabling an easier exploration of Jaén's beauty. The city starts to reclaim the tranquility lost to the summer holidays, providing an excellent opportunity to experience Jaén in relative peace. Rainfall is minimal during this period and the weather remains rather mild. Rejecting the high summer heat, September offers a peaceful retreat with a pleasant weather profile.

Temperature

With September's onset, the weather shows a temperature decrease, transitioning from a hot 34.4°C (93.9°F) in August to a moderately hot 28.5°C (83.3°F). Throughout September, Jaén registers a consistent average low-temperature of 16.6°C (61.9°F).

Heat index

For most parts of September, the heat index is appraised at 29°C (84.2°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

The average relative humidity in September in Jaén is 46%.

Rainfall

In Jaén, during September, the rain falls for 5.3 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 96.7 rainfall days, and 293mm (11.54") of precipitation is accumulated.

Snowfall

April through December are months without snowfall.

Daylight

In Jaén, the average length of the day in September is 12h and 25min.
On the first day of September in Jaén, Spain, sunrise is at 07:45 and sunset at 20:44. On the last day of the month, sunrise is at 08:10 and sunset at 19:59 CEST.

Sunshine

The average sunshine in September in Jaén is 9.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

How hot is September in Jaén?

In Jaén, 28.5°C (83.3°F) is the average high-temperature and 16.6°C (61.9°F) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is appraised at 29°C (84.2°F).

What is the average humidity in September in Jaén?

In September, the average relative humidity is 46%.

How much does it rain in Jaén in September?

In Jaén, Spain, in September, it is raining for 5.3 days, with typically 17mm (0.67") of accumulated precipitation.

When it does not snow in Jaén?

In Jaén, Spain, snow does not fall in April through December.

What is the average length of the day in September in Jaén?

In Jaén, the average day length in September is 12h and 25min.

What time are sunrise and sunset in September in Jaén?

In September, on the first day of the month, sunrise is at 07:45 and sunset at 20:44. On the last day of the month, in Jaén, sunrise is at 08:10 and sunset at 19:59 CEST.

How many hours of sunshine does Jaén have in September?

In September, the average sunshine duration is 9.6h.

How high is the UV index in September in Jaén?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Jaén, Spain

Average temperature in September - Jaén, Spain
  • Average high temperature in September: 28.5°C

The warmest month (with the highest average high temperature) is August (34.4°C).
The month with the lowest average high temperature is January (11.3°C).

  • Average low temperature in September: 16.6°C

The month with the highest average low temperature is August (20.5°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

Average pressure in September
Jaén, Spain

Average pressure in September - Jaén, Spain
  • Average pressure in September: 1016.8mbar

The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).

Average wind speed in September
Jaén, Spain

Average wind speed in September - Jaén, Spain
  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is March (8.9km/h).
The calmest month (with the lowest average wind speed) is October (6.1km/h).

Average humidity in September
Jaén, Spain

Average humidity in September - Jaén, Spain
  • Average humidity in September: 46%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is July (33%).

Average rainfall in September
Jaén, Spain

Average rainfall in September - Jaén, Spain
  • Average rainfall in September: 17mm

The wettest month (with the highest rainfall) is November (48mm).
The driest month (with the least rainfall) is July (2mm).

Average rainfall days in September
Jaén, Spain

Average rainfall days in September - Jaén, Spain
  • Average rainfall days in September: 5.3 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is July (2.5 days).

Average snowfall in September
Jaén, Spain

Average snowfall in September - Jaén, Spain
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (4mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Jaén, Spain

Average snowfall days in September - Jaén, Spain
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in September / Average sunshine in September - Jaén, Spain
  • Average daylight in September: 12h and 2min

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 4min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in September
Jaén, Spain

Average sunshine days in September - Jaén, Spain
  • Average sunshine days in September: 22.8 days

The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is March (14.8 days).

Average UV index in September
Jaén, Spain

Average UV index in September - Jaén, Spain
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Jaén, Spain

Average cloud cover in September - Jaén, Spain
  • Average cloud cover in September: 13

The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 6).

Average visibility in September
Jaén, Spain

Average visibility in September - Jaén, Spain
  • Average visibility in September: 10km

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

Jaén, Spain

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