Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September comes with a decrease in the average high-temperature, falling from a hot 34.1°C (93.4°F) in August to a warm 29.1°C (84.4°F). San Martín del Castañar documents a significant temperature variance in September, with the mean nighttime lows settling at a refreshing 15.5°C (59.9°F).Heat index
September's heat index is computed to be 29°C (84.2°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', takes into account both air temperature and humidity to illustrate what people actually feel. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly critical to babies and toddlers. Kids frequently ignore the importance of taking a break and rehydrating. Thirst is a late symptom of dehydration - thus, it is crucial to stay hydrated, especially during long-lasting physical activities.
Humidity
In September, the average relative humidity is 44%.Rainfall
In San Martín del Castañar, Spain, in September, it is raining for 4.2 days, with typically 15mm (0.59") of accumulated precipitation. Throughout the year, in San Martín del Castañar, Spain, there are 90.5 rainfall days, and 399mm (15.71") of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The average length of the day in September in San Martín del Castañar, Spain, is 12h and 28min.On the first day of September in San Martín del Castañar, Spain, sunrise is at 07:52 and sunset at 20:56. On the last day of the month, sunrise is at 08:20 and sunset at 20:07 CEST.
Sunshine
The average sunshine in September is 9.5h.UV index
In San Martín del Castañar, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
How hot does it get in San Martín del Castañar in September?
What is the average humidity in September in San Martín del Castañar?
How many days does it rain in September in San Martín del Castañar?
When it does not snow in San Martín del Castañar?
What is the average length of the day in September in San Martín del Castañar?
When are sunrise and sunset in September in San Martín del Castañar?
How long on average sun shines in September in San Martín del Castañar?
What is the UV index reading in September in San Martín del Castañar?
Average temperature in September
San Martín del Castañar, Spain
- Average high temperature in September: 29.1°C
The warmest month (with the highest average high temperature) is August (34.1°C).
The month with the lowest average high temperature is January (11.5°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
San Martín del Castañar, Spain
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is December (1023.5mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in September
San Martín del Castañar, Spain
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest months (with the lowest average wind speed) are September and October (7.8km/h).
Average humidity in September
San Martín del Castañar, Spain
- Average humidity in September: 44%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (35%).
Average rainfall in September
San Martín del Castañar, Spain
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is July (3mm).
Average rainfall days in September
San Martín del Castañar, Spain
- Average rainfall days in September: 4.2 days
The month with the highest number of rainy days is April (11.8 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in September
San Martín del Castañar, 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
San Martín del Castañar, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.2 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
San Martín del Castañar, Spain
- Average daylight in September: 12h and 3min
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 18min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
San Martín del Castañar, Spain
- Average sunshine days in September: 24.9 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is April (16.9 days).
Average UV index in September
San Martín del Castañar, Spain
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
San Martín del Castañar, Spain
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in September
San Martín del Castañar, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
San Martín del Castañar, Spain
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