September weather forecastRetamosa, Spain
September
Weather in September
September, the first month of the autumn in Retamosa, is also a moderately hot month, with an average temperature fluctuating between 29.4°C (84.9°F) and 16.3°C (61.3°F).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a hot 34.2°C (93.6°F) in August to a warm 29.4°C (84.9°F). The average low-temperature reading in September for Retamosa reflects a significant fall from the daytime highs, stabilizing at a refreshing 16.3°C (61.3°F).Heat index
The heat index in September is evaluated at 29°C (84.2°F). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.The standards for the heat index are set for locations in shade and under light breezes. 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 'apparent temperature' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In September, the average relative humidity in Retamosa, Spain, is 43%.Rainfall
In Retamosa, in September, during 5.9 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, in Retamosa, there are 92.8 rainfall days, and 303mm (11.93") of precipitation is accumulated.Snowfall
In Retamosa, snow does not fall in February through December.Daylight
In Retamosa, the average length of the day in September is 12h and 27min.On the first day of September in Retamosa, Spain, sunrise is at 07:50 and sunset at 20:53. On the last day of the month, sunrise is at 08:17 and sunset at 20:06 CEST.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Retamosa, Spain
- Average high temperature in September: 29.4°C
The warmest month (with the highest average high temperature) is August (34.2°C).
The month with the lowest average high temperature is January (11.8°C).
- Average low temperature in September: 16.3°C
The months with the highest average low temperature are July and August (18.8°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in September
Retamosa, Spain
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is December (1023.3mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in September
Retamosa, Spain
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is September (7.8km/h).
Average humidity in September
Retamosa, Spain
- Average humidity in September: 43%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Retamosa, Spain
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is November (45mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in September
Retamosa, Spain
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is April (13 days).
The month with the least rainy days is July (2.2 days).
Average snowfall in September
Retamosa, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Retamosa, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Retamosa, 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 24min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
Retamosa, Spain
- Average sunshine days in September: 23.2 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is April (15.6 days).
Average UV index in September
Retamosa, 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 December (UV index 2).
Average cloud cover in September
Retamosa, Spain
- Average cloud cover in September: 17
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Retamosa, Spain
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).





