September weather forecastWeekley, United Kingdom
September
Weather in September
September, the first month of the autumn in Weekley, is still a comfortable month, with an average temperature varying between 18°C (64.4°F) and 10.5°C (50.9°F).Temperature
September's weather displays an average high-temperature of an enjoyable 18°C (64.4°F), slightly varied from August's 20.4°C (68.7°F). Weekley witnesses an average low-temperature of 10.5°C (50.9°F) throughout the month of September.Humidity
In September, the average relative humidity in Weekley is 80%.Rainfall
September is the month with the least rainfall in Weekley. Rain falls for 12.3 days and accumulates 28mm (1.1") of precipitation.Snowfall
May through October are months without snowfall in Weekley.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:42 pm BST.
Sunshine
The average sunshine in September in Weekley is 7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Preventing sun damage is advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Weekley, United Kingdom
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Weekley, United Kingdom
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.9mbar).
Average wind speed in September
Weekley, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Weekley, United Kingdom
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Weekley, United Kingdom
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Weekley, United Kingdom
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is September (12.3 days).
Average snowfall in September
Weekley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Weekley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.1 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
Weekley, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Weekley, United Kingdom
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is May (6.8 days).
Average UV index in September
Weekley, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is 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
Weekley, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Weekley, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, July, August, September and October (9km).
The months with the lowest visibility are January, June, November and December (8km).
