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
September
Weather in September
Temperature
South Petherwin's weather in September indicates an average high-temperature of a still comfortable 16.8°C (62.2°F), nearly consistent with the 18.3°C (64.9°F) of August. In the month of September, the average temperature dips to a fresh 11.1°C (52°F) during the night.Humidity
The months with the highest humidity are January, June through December, with an average relative humidity of 86%.Rainfall
In South Petherwin, in September, during 15.1 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, there are 209.7 rainfall days, and 686mm (27.01") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September in South Petherwin, United Kingdom, sunrise is at 6:32 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:57 pm BST.
Sunshine
In September, the average sunshine is 6.4h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in South Petherwin?
What are the most humid months in South Petherwin?
What is the average humidity in September in South Petherwin?
How much does it rain in South Petherwin in September?
When it does not snow in South Petherwin?
How many hours of daylight does South Petherwin have in September?
When is the sunrise / sunset in September in South Petherwin?
How long on average sun shines in September in South Petherwin?
What is the month with the highest UV index in South Petherwin?
How high is the UV index in September in South Petherwin?
Average temperature in September
South Petherwin, United Kingdom
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (18.7°C).
The months with the lowest average high temperature are January and February (8.1°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in September
South Petherwin, United Kingdom
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
South Petherwin, United Kingdom
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is July (15.1km/h).
Average humidity in September
South Petherwin, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, June, July, August, September, October, November and December (86%).
The month with the lowest relative humidity is April (83%).
Average rainfall in September
South Petherwin, United Kingdom
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is December (87mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in September
South Petherwin, United Kingdom
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is December (20.2 days).
The month with the least rainy days is September (15.1 days).
Average snowfall in September
South Petherwin, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
South Petherwin, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
South Petherwin, 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: 6h and 2min
The month with the most sunshine is April (Average sunshine: 7h and 30min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 36min).
Average sunshine days in September
South Petherwin, United Kingdom
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is May (11.8 days).
The month with the least sunshine days is November (7.6 days).
Average UV index in September
South Petherwin, 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
South Petherwin, United Kingdom
- Average cloud cover in September: 56
The months with the most cloud cover are November and December (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 50).
Average visibility in September
South Petherwin, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
