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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 23.1°C (73.6°F) in August to a refreshing 18.8°C (65.8°F). During the nights in September, Saint-Jean-Saint-Nicolas records a pronounced shift from the daytime warmth, with a consistent average temperature of 6.8°C (44.2°F).Humidity
In September, the average relative humidity in Saint-Jean-Saint-Nicolas, France, is 71%.Rainfall
In Saint-Jean-Saint-Nicolas, during September, the rain falls for 11.6 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, in Saint-Jean-Saint-Nicolas, there are 144.7 rainfall days, and 553mm (21.77") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Saint-Jean-Saint-Nicolas is 12h and 31min.On the first day of September, sunrise is at 06:58 and sunset at 20:11. On the last day of the month, sunrise is at 07:32 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What is the usual temperature for Saint-Jean-Saint-Nicolas in September?
What is the average humidity in September in Saint-Jean-Saint-Nicolas?
How much does it rain in Saint-Jean-Saint-Nicolas in September?
When it does not snow in Saint-Jean-Saint-Nicolas?
Does it snow in Saint-Jean-Saint-Nicolas in September?
What is the average length of the day in September in Saint-Jean-Saint-Nicolas?
When is the sunrise / sunset in September in Saint-Jean-Saint-Nicolas?
How long on average sun shines in September in Saint-Jean-Saint-Nicolas?
What is the UV index intensity in September in Saint-Jean-Saint-Nicolas?
Average temperature in September
Saint-Jean-Saint-Nicolas, France
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).
Average pressure in September
Saint-Jean-Saint-Nicolas, France
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is April (1014.5mbar).
Average wind speed in September
Saint-Jean-Saint-Nicolas, France
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (9.4km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Saint-Jean-Saint-Nicolas, France
- Average humidity in September: 71%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Saint-Jean-Saint-Nicolas, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in September
Saint-Jean-Saint-Nicolas, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Saint-Jean-Saint-Nicolas, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (119mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saint-Jean-Saint-Nicolas, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint-Jean-Saint-Nicolas, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Saint-Jean-Saint-Nicolas, France
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Saint-Jean-Saint-Nicolas, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Saint-Jean-Saint-Nicolas, France
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Saint-Jean-Saint-Nicolas, France
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).
Saint-Jean-Saint-Nicolas, France
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