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 signals a subtle shift in temperature, down from 27.1°C (80.8°F) in August to a still warm 23°C (73.4°F). San Millán de Lara sees a major change from daytime highs, with the nighttime temperature dipping to a fresh 10.6°C (51.1°F) on average during September.Humidity
In San Millán de Lara, the average relative humidity in September is 63%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.6 days and typically collects 13mm (0.51") of precipitation.Snowfall
In San Millán de Lara, snow does not fall in June through October.Daylight
In September, the average length of the day in San Millán de Lara is 12h and 29min.On the first day of the month, sunrise is at 07:39 and sunset at 20:47. On the last day of September, sunrise is at 08:09 and sunset at 19:56 CEST.
Sunshine
In September, the average sunshine is 9.4h.UV index
In San Millán de Lara, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for San Millán de Lara in September?
What is the average humidity in September in San Millán de Lara?
What is the driest month in San Millán de Lara?
How many days does it rain in September in San Millán de Lara?
When it does not snow in San Millán de Lara?
How many hours of daylight does San Millán de Lara have in September?
When is the sunrise / sunset in September in San Millán de Lara?
How many hours of sunshine does San Millán de Lara have in September?
What is the UV index reading in September in San Millán de Lara?
Average temperature in September
San Millán de Lara, Spain
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is August (27.1°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.2°C).
The coldest months (with the lowest average low temperature) are January and February (0.6°C).
Average pressure in September
San Millán de Lara, Spain
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1022.7mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
San Millán de Lara, Spain
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is February (16.4km/h).
The calmest month (with the lowest average wind speed) is September (10.8km/h).
Average humidity in September
San Millán de Lara, Spain
- Average humidity in September: 63%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
San Millán de Lara, Spain
- Average rainfall in September: 13mm
The wettest months (with the highest rainfall) are June and November (46mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
San Millán de Lara, Spain
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is April (16.7 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in September
San Millán de Lara, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (87mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
San Millán de Lara, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
San Millán de Lara, Spain
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
San Millán de Lara, Spain
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is August (20.7 days).
The month with the least sunshine days is April (9.5 days).
Average UV index in September
San Millán de Lara, Spain
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
San Millán de Lara, Spain
- Average cloud cover in September: 24
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
San Millán de Lara, Spain
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).
San Millán de Lara, Spain
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