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
September
Weather in September
Temperature
With the arrival of September, Trefacio notices a mild change in the average high-temperature, sliding from August's warm 28.3°C (82.9°F) to a still moderately hot 24.2°C (75.6°F). Trefacio, amidst the high September temperatures, experiences a substantial shift to an average nighttime low of 11.5°C (52.7°F).Humidity
In Trefacio, the average relative humidity in September is 57%.Rainfall
In Trefacio, in September, it is raining for 6.9 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, there are 141.4 rainfall days, and 527mm (20.75") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September in Trefacio, Spain, sunrise is at 07:52 and sunset at 21:00. On the last day of the month, sunrise is at 08:23 and sunset at 20:09 CEST.
Sunshine
In Trefacio, the average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index in Trefacio is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. 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
What are September temperatures in Trefacio?
What is the average humidity in September in Trefacio?
How many days does it rain in September in Trefacio?
When it does not snow in Trefacio?
What is the average length of the day in September in Trefacio?
What time are sunrise and sunset in September in Trefacio?
How long on average sun shines in September in Trefacio?
What is the UV index reading in September in Trefacio?
Average temperature in September
Trefacio, Spain
- Average high temperature in September: 24.2°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Trefacio, Spain
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Trefacio, Spain
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is September (8.3km/h).
Average humidity in September
Trefacio, Spain
- Average humidity in September: 57%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Trefacio, Spain
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (73mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Trefacio, Spain
- Average rainfall days in September: 6.9 days
The month with the highest number of rainy days is April (17.6 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in September
Trefacio, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Trefacio, Spain
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Trefacio, 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 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Trefacio, Spain
- Average sunshine days in September: 20.8 days
The month with the most sunshine days is August (24.5 days).
The month with the least sunshine days is April (10.8 days).
Average UV index in September
Trefacio, Spain
- Average UV index in September: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Trefacio, Spain
- Average cloud cover in September: 20
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in September
Trefacio, Spain
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).
