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 average high-temperature in September, at a still comfortable 16.4°C (61.5°F), reveals a modest deviation from August's 17.9°C (64.2°F). In Yealmpton, the nightly September temperatures experience a slight descent from daily highs to an average low of 12°C (53.6°F).Humidity
The months with the highest humidity are June, August through October, with an average relative humidity of 86%.Rainfall
In Yealmpton, in September, it is raining for 13.2 days, with typically 36mm (1.42") of accumulated precipitation. In Yealmpton, during the entire year, the rain falls for 189.3 days and collects up to 597mm (23.5") of precipitation.Snowfall
March through October are months without snowfall.Daylight
In September, the average length of the day in Yealmpton is 12h and 37min.On the first day of the month, sunrise is at 6:31 am and sunset at 8:00 pm. On the last day of September, in Yealmpton, sunrise is at 7:15 am and sunset at 6:56 pm BST.
Sunshine
The average sunshine in September in Yealmpton is 7.2h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Yealmpton. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Yealmpton in September?
What are the most humid months in Yealmpton?
What is the average humidity in September in Yealmpton?
How many days does it rain in September in Yealmpton?
When it does not snow in Yealmpton?
What is the average length of the day in September in Yealmpton?
What time are sunrise and sunset in September in Yealmpton?
How many hours of sunshine does Yealmpton have in September?
What is the month with the highest UV index in Yealmpton?
What is the UV index reading in September in Yealmpton?
Average temperature in September
Yealmpton, United Kingdom
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is February (8.1°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Yealmpton, United Kingdom
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Yealmpton, United Kingdom
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is July (16.6km/h).
Average humidity in September
Yealmpton, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are June, August, September and October (86%).
The month with the lowest relative humidity is April (83%).
Average rainfall in September
Yealmpton, United Kingdom
- Average rainfall in September: 36mm
The wettest months (with the highest rainfall) are November and December (74mm).
The driest month (with the least rainfall) is May (28mm).
Average rainfall days in September
Yealmpton, United Kingdom
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is November (19.4 days).
The month with the least rainy days is September (13.2 days).
Average snowfall in September
Yealmpton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Yealmpton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Yealmpton, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 1min
The months with the most sunshine are April, May and July (Average sunshine: 8h and 6min).
The months with the least sunshine are January and November (Average sunshine: 3h and 48min).
Average sunshine days in September
Yealmpton, United Kingdom
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is November (8.1 days).
Average UV index in September
Yealmpton, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Yealmpton, United Kingdom
- Average cloud cover in September: 50
The months with the most cloud cover are January, November and December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in September
Yealmpton, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is February (10km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
Yealmpton, United Kingdom
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