September weather forecastArjona, Spain
September
Weather in September
September, the first month of the autumn in Arjona, is also a hot month, with an average temperature varying between 30.1°C (86.2°F) and 17.7°C (63.9°F).Temperature
A change in temperatures is noted as August gives way to September, with average highs reducing from a very hot 35.9°C (96.6°F) to a hot 30.1°C (86.2°F). A notable decrease from the day's highest temperature marks September, culminating in an average low of 17.7°C (63.9°F).Heat index
The heat index for September is estimated at a tropical 30°C (86°F). Prolonged activity during exposure might result in a state of fatigue and cause heat cramps.Note that heat index values are valued for light wind and location in the shade. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Arjona, the average relative humidity in September is 44%.Rainfall
In Arjona, during September, the rain falls for 4.5 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, in Arjona, there are 86.2 rainfall days, and 259mm (10.2") of precipitation is accumulated.Snowfall
In Arjona, snow does not fall in February, April through December.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 07:46 and sunset at 20:45. On the last day of the month, sunrise is at 08:11 and sunset at 20:00 CEST.
Sunshine
In Arjona, the average sunshine in September is 9.6h.UV index
In Arjona, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 in September translates into these instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arjona, Spain
- Average high temperature in September: 30.1°C
The warmest month (with the highest average high temperature) is August (35.9°C).
The month with the lowest average high temperature is January (12.8°C).
- Average low temperature in September: 17.7°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in September
Arjona, Spain
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1023mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Arjona, Spain
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is October (6.8km/h).
Average humidity in September
Arjona, Spain
- Average humidity in September: 44%
The month with the highest relative humidity is January (74%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in September
Arjona, Spain
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is November (43mm).
The driest months (with the least rainfall) are July and August (2mm).
Average rainfall days in September
Arjona, Spain
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is April (12.4 days).
The month with the least rainy days is August (1.4 days).
Average snowfall in September
Arjona, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is March (2mm).
The months with the least snowfall are February, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Arjona, Spain
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and March (0.1 days).
The months with the least snowfall days are February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Arjona, Spain
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Arjona, Spain
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is April (15 days).
Average UV index in September
Arjona, Spain
- Average UV index in September: 6
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, November and December (UV index 3).
Average cloud cover in September
Arjona, Spain
- Average cloud cover in September: 14
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in September
Arjona, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





