September weather forecastCallington, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Callington, United Kingdom, with an average temperature fluctuating between 11.1°C (52°F) and 16.8°C (62.2°F).Temperature
September's onset records a minor alteration in the average high-temperature to a still comfortable 16.8°C (62.2°F) from August's 18.3°C (64.9°F). An average low-temperature of 11.1°C (52°F) is noted during the nights in September.Humidity
January, June through December, with an average relative humidity of 86%, are the most humid months.Rainfall
In September, the rain falls for 15.1 days. Throughout September, 45mm (1.77") of precipitation is accumulated. Throughout the year, there are 209.7 rainfall days, and 686mm (27.01") of precipitation is accumulated.Snowfall
In Callington, snow does not fall in May through November.Daylight
The average length of the day in September in Callington is 12h and 37min.On the first day of September in Callington, sunrise is at 6:32 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:57 pm BST.
Sunshine
The average sunshine in September in Callington, United Kingdom, is 6.4h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Callington, 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
Callington, 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
Callington, 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
Callington, 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
Callington, 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
Callington, 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
Callington, 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
Callington, 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
Callington, United Kingdom
- Average daylight in September: 12h and 36min
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 24min
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
Callington, 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
Callington, 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
Callington, 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
Callington, 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).
