September weather forecastMartiago, Spain
September
Weather in September
The first month of the autumn, September, is still a warm month in Martiago, Spain, with an average temperature varying between 15.5°C (59.9°F) and 29.1°C (84.4°F).Temperature
September involves a decrease in temperature, down from a tropical 34.1°C (93.4°F) in August to a warm 29.1°C (84.4°F). Martiago experiences a consistent, yet significant, drop from daily highs to a low-temperature of 15.5°C (59.9°F) throughout September.Heat index
September's average heat index is calculated to be 29°C (84.2°F). Unrelenting activity during exposure could cause fatigue and potentially lead to heat cramps.Understanding the heat index involves considering values for shaded locales with light wind. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
The average relative humidity in September is 44%.Rainfall
In September, in Martiago, the rain falls for 4.2 days. Throughout September, 15mm (0.59") of precipitation is accumulated. In Martiago, Spain, during the entire year, the rain falls for 90.5 days and collects up to 399mm (15.71") of precipitation.Snowfall
In Martiago, snow does not fall in February through December.Daylight
In Martiago, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 07:53 and sunset at 20:57. On the last day of September, sunrise is at 08:21 and sunset at 20:09 CEST.
Sunshine
In Martiago, Spain, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Martiago, 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
Martiago, 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
Martiago, 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
Martiago, 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
Martiago, 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
Martiago, 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
Martiago, 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
Martiago, 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
Martiago, 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 18min).
- Average sunshine in September: 9h and 30min
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
Martiago, 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
Martiago, 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
Martiago, 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
Martiago, 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).





