September weather forecastChartham, United Kingdom
September
Weather in September
September, the first month of the autumn in Chartham, is also an enjoyable month, with temperature in the range of an average low of 14.4°C (57.9°F) and an average high of 17.7°C (63.9°F).Temperature
Chartham's shift into September sets the average high-temperature at a still enjoyable 17.7°C (63.9°F), a figure that deviates only slightly from August's 19.8°C (67.6°F). A minimal decline in temperature from daytime highs is anticipated in Chartham throughout the September nights, averaging a mild 14.4°C (57.9°F).Humidity
The months with the lowest humidity in Chartham are August and September, with an average relative humidity of 78%.Rainfall
In Chartham, during September, the rain falls for 10.2 days and regularly aggregates up to 19mm (0.75") of precipitation. In Chartham, during the entire year, the rain falls for 154.9 days and collects up to 299mm (11.77") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Chartham, United Kingdom, is 12h and 38min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:41 pm. On the last day of September, in Chartham, sunrise is at 6:55 am and sunset at 6:35 pm BST.
Sunshine
In September, the average sunshine in Chartham is 8.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September leads to these instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chartham, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (4.5°C).
Average pressure in September
Chartham, United Kingdom
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Chartham, United Kingdom
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is December (26.8km/h).
The calmest month (with the lowest average wind speed) is July (17.5km/h).
Average humidity in September
Chartham, United Kingdom
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in September
Chartham, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is November (36mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Chartham, United Kingdom
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (10.2 days).
Average snowfall in September
Chartham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chartham, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.3 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
Chartham, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Chartham, United Kingdom
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in September
Chartham, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Chartham, United Kingdom
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Chartham, 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).
