September weather forecastSantec, France
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Santec, France, with temperature in the range of an average low of 13.4°C (56.1°F) and an average high of 17.9°C (64.2°F).Temperature
The shift into September records an average high-temperature of a still refreshing 17.9°C (64.2°F), subtly varied from August's 18.8°C (65.8°F). Santec registers an average low-temperature of 13.4°C (56.1°F) throughout September, a modest decrease from its daytime highs.Humidity
In Santec, France, the average relative humidity in September is 81%.Rainfall
The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 30mm (1.18") of precipitation.Snowfall
In Santec, snow does not fall in April through October.Sea temperature
In Santec, the average seawater temperature in September is 15.8°C (60.4°F).Note: The majority of individuals find swimming in 15.8°C (60.4°F) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Santec is 12h and 35min.On the first day of September, sunrise is at 07:33 and sunset at 20:57. On the last day of the month, sunrise is at 08:14 and sunset at 19:56 CEST.
Sunshine
In Santec, the average sunshine in September is 7.2h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Santec, France
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (9.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).
Average pressure in September
Santec, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is September (1018.2mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Santec, France
- Average wind speed in September: 19.1km/h
The windiest month (with the highest average wind speed) is December (27.3km/h).
The calmest month (with the lowest average wind speed) is July (17.6km/h).
Average humidity in September
Santec, France
- Average humidity in September: 81%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is February (80%).
Average rainfall in September
Santec, France
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is November (95mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Santec, France
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is November (22.4 days).
The month with the least rainy days is September (14.1 days).
Average snowfall in September
Santec, France
- Average snowfall in September: 0mm
The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Santec, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Santec, France
- Average sea temperature in September: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).
Average daylight in September /
Average sunshine in September
Santec, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Santec, France
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is November (4.6 days).
Average UV index in September
Santec, France
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
Santec, France
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in September
Santec, France
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
