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
The arrival of September suggests a slight decrease in the average high-temperature, moving from 29.2°C (84.6°F) in August to a still moderately hot 25.3°C (77.5°F). San Martín de Trevejo experiences a substantial divergence from daytime highs in September, with average lows hovering around a cool 12.4°C (54.3°F).Humidity
In San Martín de Trevejo, the average relative humidity in September is 55%.Rainfall
In San Martín de Trevejo, in September, it is raining for 5.9 days, with typically 19mm (0.75") of accumulated precipitation. In San Martín de Trevejo, during the entire year, the rain falls for 113.4 days and collects up to 421mm (16.57") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in San Martín de Trevejo is 12h and 27min.On the first day of the month, sunrise is at 07:55 and sunset at 20:58. On the last day of September, in San Martín de Trevejo, sunrise is at 08:23 and sunset at 20:10 CEST.
Sunshine
The average sunshine in September in San Martín de Trevejo is 9.5h.UV index
In San Martín de Trevejo, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 5 suggests this advice:
Exercise prevention - Warding off sunburn is urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the usual temperature for San Martín de Trevejo in September?
What is the average humidity in September in San Martín de Trevejo?
How much does it rain in San Martín de Trevejo in September?
When it does not snow in San Martín de Trevejo?
What is the average length of the day in September in San Martín de Trevejo?
When are sunrise and sunset in September in San Martín de Trevejo?
How long on average sun shines in September in San Martín de Trevejo?
How high is the UV index in September in San Martín de Trevejo?
Average temperature in September
San Martín de Trevejo, Spain
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
San Martín de Trevejo, Spain
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is December (1023.1mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
San Martín de Trevejo, Spain
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is September (9.1km/h).
Average humidity in September
San Martín de Trevejo, Spain
- Average humidity in September: 55%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
San Martín de Trevejo, Spain
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is August (6mm).
Average rainfall days in September
San Martín de Trevejo, Spain
- Average rainfall days in September: 5.9 days
The month with the highest number of rainy days is April (16.2 days).
The month with the least rainy days is August (2.7 days).
Average snowfall in September
San Martín de Trevejo, Spain
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (44mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
San Martín de Trevejo, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
San Martín de Trevejo, 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 24min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
San Martín de Trevejo, Spain
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is April (12.5 days).
Average UV index in September
San Martín de Trevejo, Spain
- Average UV index in September: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
San Martín de Trevejo, Spain
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in September
San Martín de Trevejo, Spain
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, April, November and December (8km).
San Martín de Trevejo, Spain
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