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
September indicates a minor shift in the average high-temperature, from August's warm 26.5°C (79.7°F) to a pleasant 21.6°C (70.9°F). An average nighttime temperature of 10.5°C (50.9°F) is observed in San Juan de Plan during September.Humidity
The average relative humidity in September in San Juan de Plan is 64%.Rainfall
In San Juan de Plan, in September, during 9.3 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in San Juan de Plan, there are 102.4 rainfall days, and 258mm (10.16") of precipitation is accumulated.Snowfall
In San Juan de Plan, Spain, snow does not fall in April through October.Daylight
In September, the average length of the day in San Juan de Plan is 12h and 29min.On the first day of the month, sunrise is at 07:24 and sunset at 20:32. On the last day of September, sunrise is at 07:55 and sunset at 19:41 CEST.
Sunshine
In San Juan de Plan, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index in San Juan de Plan 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: In September, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in San Juan de Plan?
What is the average humidity in September in San Juan de Plan?
How many days does it rain in September in San Juan de Plan?
When it does not snow in San Juan de Plan?
What is the average length of the day in September in San Juan de Plan?
When are sunrise and sunset in September in San Juan de Plan?
How long on average sun shines in September in San Juan de Plan?
How high is the UV index in September in San Juan de Plan?
Average temperature in September
San Juan de Plan, Spain
- Average high temperature in September: 21.6°C
The warmest month (with the highest average high temperature) is July (26.8°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-1.7°C).
Average pressure in September
San Juan de Plan, Spain
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
San Juan de Plan, Spain
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is February (9.1km/h).
The calmest month (with the lowest average wind speed) is September (6.6km/h).
Average humidity in September
San Juan de Plan, Spain
- Average humidity in September: 64%
The months with the highest relative humidity are January and November (74%).
The month with the lowest relative humidity is July (56%).
Average rainfall in September
San Juan de Plan, Spain
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in September
San Juan de Plan, Spain
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is December (4.7 days).
Average snowfall in September
San Juan de Plan, Spain
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
San Juan de Plan, 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
San Juan de Plan, Spain
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days in September
San Juan de Plan, Spain
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is April (15 days).
Average UV index in September
San Juan de Plan, Spain
- Average UV index in September: 4
The months with the highest UV index are June and 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
San Juan de Plan, Spain
- Average cloud cover in September: 17
The month with the most cloud cover is April (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in September
San Juan de Plan, Spain
- Average visibility in September: 10km
The months with the highest visibility are February, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, March, April and November (9km).
