September weather forecastSiétamo, Spain
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Siétamo, Spain, with an average temperature ranging between min 14.7°C (58.5°F) and max 25.8°C (78.4°F).Temperature
Siétamo in September undergoes a mild reduction in the average high-temperature, shifting from August's hot 30.8°C (87.4°F) to a warm 25.8°C (78.4°F). Throughout September, Siétamo witnesses a consistent average low-temperature of 14.7°C (58.5°F).Humidity
In September, the average relative humidity in Siétamo is 56%.Rainfall
In Siétamo, in September, it is raining for 8.5 days, with typically 26mm (1.02") of accumulated precipitation. In Siétamo, during the entire year, the rain falls for 109.3 days and collects up to 371mm (14.61") of precipitation.Snowfall
In Siétamo, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 07:27 and sunset at 20:34. On the last day of September, sunrise is at 07:57 and sunset at 19:44 CEST.
Sunshine
In September, the average sunshine is 9.6h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Siétamo, Spain
- Average high temperature in September: 25.8°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (10°C).
- Average low temperature in September: 14.7°C
The month with the highest average low temperature is August (18.6°C).
The coldest months (with the lowest average low temperature) are January and February (2.2°C).
Average pressure in September
Siétamo, Spain
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
Siétamo, Spain
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is September (9.4km/h).
Average humidity in September
Siétamo, Spain
- Average humidity in September: 56%
The month with the highest relative humidity is December (73%).
The month with the lowest relative humidity is July (48%).
Average rainfall in September
Siétamo, Spain
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is October (59mm).
The driest month (with the least rainfall) is February (11mm).
Average rainfall days in September
Siétamo, Spain
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is April (12.8 days).
The month with the least rainy days is December (5.6 days).
Average snowfall in September
Siétamo, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Siétamo, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Siétamo, Spain
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 30min).
Average sunshine days in September
Siétamo, Spain
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in September
Siétamo, Spain
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Siétamo, Spain
- Average cloud cover in September: 17
The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in September
Siétamo, Spain
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
