September weather forecastMontellano, Spain
September
Weather in September
September, the first month of the autumn in Montellano, is still a tropical month, with temperature in the range of an average high of 31.2°C (88.2°F) and an average low of 18.7°C (65.7°F).Temperature
The commencement of September indicates a shift in the average high-temperature, receding from August's very hot 36.7°C (98.1°F) to a tropical 31.2°C (88.2°F). The average low-temperature reading in September for Montellano reflects a significant fall from the daytime highs, stabilizing at a refreshing 18.7°C (65.7°F).Heat index
September's mean heat index is computed to be a hot 33°C (91.4°F). Ensure extra safety measures, heat exhaustion and heat cramps are likely. Continuous activity might result in heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in September is 51%.Rainfall
In Montellano, during September, the rain falls for 4.9 days and regularly aggregates up to 13mm (0.51") of precipitation. In Montellano, during the entire year, the rain falls for 77.4 days and collects up to 290mm (11.42") of precipitation.Daylight
The average length of the day in September in Montellano is 12h and 25min.On the first day of September, sunrise is at 07:53 and sunset at 20:50. On the last day of the month, sunrise is at 08:17 and sunset at 20:06 CEST.
Sunshine
In Montellano, Spain, the average sunshine in September is 9.6h.UV index
In Montellano, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 6 in September transforms into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Montellano, Spain
- Average high temperature in September: 31.2°C
The warmest month (with the highest average high temperature) is August (36.7°C).
The month with the lowest average high temperature is January (14.8°C).
- Average low temperature in September: 18.7°C
The month with the highest average low temperature is August (21.6°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in September
Montellano, Spain
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is August (1014.9mbar).
Average wind speed in September
Montellano, Spain
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is March (10.1km/h).
The calmest month (with the lowest average wind speed) is September (7.7km/h).
Average humidity in September
Montellano, Spain
- Average humidity in September: 51%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (40%).
Average rainfall in September
Montellano, Spain
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is November (48mm).
The driest month (with the least rainfall) is July (1mm).
Average rainfall days in September
Montellano, Spain
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is March (11.8 days).
The months with the least rainy days are July and August (1.4 days).
Average daylight in September /
Average sunshine in September
Montellano, Spain
- Average daylight in September: 12h and 24min
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 42min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is March (Average sunshine: 8h and 6min).
Average sunshine days in September
Montellano, Spain
- Average sunshine days in September: 24 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is April (17.6 days).
Average UV index in September
Montellano, 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 and December (UV index 3).
Average cloud cover in September
Montellano, Spain
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in September
Montellano, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March, April and December (9km).





