September weather forecastLa Haule, Jersey
September
Weather in September
As the autumnal equinox approaches in La Haule, Jersey, September brings a shift towards fall. There remains a noticeable decrease in temperature, indicating the onset of cooler days. However, an unusual pattern awaits. The weather remains drier with only 29mm (1.14") of rainfall being recorded. Hours of daylight begin to lessen, hinting towards the shorter autumn and winter days. September emanates the coziness of fall while retaining the remnants of summer warmth, a unique blend making it a charming period for visitors.Temperature
September's arrival in La Haule, Jersey, shows an average high-temperature of a still enjoyable 17.4°C (63.3°F), hardly different from the previous month. La Haule records a negligible downturn from daytime temperatures, averaging a low of 15.6°C (60.1°F) in the month of September.Humidity
In September, the average relative humidity in La Haule is 79%.Rainfall
In La Haule, during September, the rain falls for 13.4 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 191.6 rainfall days, and 531mm (20.91") of precipitation is accumulated.Snowfall
February, April through October and December are months without snowfall in La Haule.Daylight
In La Haule, the average length of the day in September is 12h and 35min.On the first day of September in La Haule, sunrise is at 06:25 and sunset at 19:51. On the last day of the month, sunrise is at 07:07 and sunset at 18:49 BST.
Sunshine
The average sunshine in September in La Haule is 8.6h.UV index
In La Haule, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Haule, Jersey
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is August (18.1°C).
The month with the lowest average high temperature is February (9°C).
- Average low temperature in September: 15.6°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (6.9°C).
Average pressure in September
La Haule, Jersey
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
La Haule, Jersey
- Average wind speed in September: 23.9km/h
The windiest month (with the highest average wind speed) is December (34.3km/h).
The calmest month (with the lowest average wind speed) is July (20.6km/h).
Average humidity in September
La Haule, Jersey
- Average humidity in September: 79%
The month with the highest relative humidity is June (84%).
The months with the lowest relative humidity are February, November and December (78%).
Average rainfall in September
La Haule, Jersey
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (74mm).
The driest months (with the least rainfall) are May and July (27mm).
Average rainfall days in September
La Haule, Jersey
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is November (20.7 days).
The month with the least rainy days is May (12.7 days).
Average snowfall in September
La Haule, Jersey
- Average snowfall in September: 0mm
The months with the highest snowfall are January, March and November (1mm).
The months with the least snowfall are February, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
La Haule, Jersey
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and March (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
La Haule, Jersey
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
La Haule, Jersey
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
La Haule, Jersey
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in September
La Haule, Jersey
- Average cloud cover in September: 39
The months with the most cloud cover are January, November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
La Haule, Jersey
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





