September weather forecastRendlesham, United Kingdom
September
Weather in September
September, the first month of the autumn in Rendlesham, is also an enjoyable month, with temperature in the range of an average low of 14.2°C (57.6°F) and an average high of 17.6°C (63.7°F).Temperature
September's average high-temperature stands at a still comfortable 17.6°C (63.7°F), showing little deviation from August's 19.7°C (67.5°F). Rendlesham, during September nights, experiences a subtle shift to a low average of 14.2°C (57.6°F) from the day's heat.Humidity
The months with the lowest humidity in Rendlesham are August and September, with an average relative humidity of 77%.Rainfall
In Rendlesham, in September, it is raining for 13.9 days, with typically 34mm (1.34") of accumulated precipitation. In Rendlesham, during the entire year, the rain falls for 188.4 days and collects up to 486mm (19.13") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Rendlesham is 12h and 39min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:41 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:33 pm BST.
Sunshine
The average sunshine in September in Rendlesham, United Kingdom, is 8.1h.UV index
In Rendlesham, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Prioritize safety - Suggestions to prevent sun damage are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rendlesham, United Kingdom
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.1°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Rendlesham, United Kingdom
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Rendlesham, United Kingdom
- Average wind speed in September: 20.4km/h
The windiest month (with the highest average wind speed) is December (27.7km/h).
The calmest month (with the lowest average wind speed) is July (17.7km/h).
Average humidity in September
Rendlesham, United Kingdom
- Average humidity in September: 77%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Rendlesham, United Kingdom
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Rendlesham, United Kingdom
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Rendlesham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Rendlesham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.9 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
Rendlesham, 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: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in September
Rendlesham, United Kingdom
- Average sunshine days in September: 11.9 days
The months with the most sunshine days are April and May (14 days).
The month with the least sunshine days is November (8 days).
Average UV index in September
Rendlesham, United Kingdom
- 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
Rendlesham, United Kingdom
- Average cloud cover in September: 41
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Rendlesham, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





