September weather forecastOtero, Spain
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Otero, Spain, with an average temperature varying between 15.8°C (60.4°F) and 29.1°C (84.4°F).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a tropical 33.9°C (93°F) in August to a moderately hot 29.1°C (84.4°F). In the month of September, Otero witnesses a marked temperature drop at night, averaging a low of 15.8°C (60.4°F).Heat index
The heat index in September is evaluated at 29°C (84.2°F). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. 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
The average relative humidity in September is 42%.Rainfall
In September, in Otero, the rain falls for 3.7 days. Throughout September, 9mm (0.35") of precipitation is accumulated. Throughout the year, there are 76.3 rainfall days, and 229mm (9.02") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Otero, Spain.Daylight
In Otero, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 07:46 and sunset at 20:49. On the last day of the month, sunrise is at 08:13 and sunset at 20:01 CEST.
Sunshine
In Otero, the average sunshine in September is 9.6h.UV index
In Otero, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Otero, 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
Otero, 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
Otero, 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
Otero, 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
Otero, 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
Otero, 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
Otero, 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
Otero, 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
Otero, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- 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
Otero, 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
Otero, 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
Otero, 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
Otero, 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).





