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
As Calstock steps into September, the average high-temperature is measured at a still enjoyable 16.4°C (61.5°F), displaying minor differences from August's 17.9°C (64.2°F). Calstock notes a steady average temperature of 12°C (53.6°F) during the nights of September.Humidity
June, August through October, with an average relative humidity of 86%, are the most humid months in Calstock.Rainfall
In Calstock, in September, during 13.2 rainfall days, 36mm (1.42") of precipitation is typically accumulated. Throughout the year, in Calstock, there are 189.3 rainfall days, and 597mm (23.5") of precipitation is accumulated.Snowfall
March through October are months without snowfall.Daylight
The average length of the day in September in Calstock, United Kingdom, is 12h and 37min.On the first day of September in Calstock, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:56 pm BST.
Sunshine
In Calstock, United Kingdom, the average sunshine in September is 7.2h.UV index
The months with the highest UV index in Calstock are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are September temperatures in Calstock?
What are the most humid months in Calstock?
What is the average humidity in September in Calstock?
How much does it rain in Calstock in September?
When it does not snow in Calstock?
How many hours of daylight does Calstock have in September?
What time are sunrise and sunset in September in Calstock?
How many hours of sunshine does Calstock have in September?
What is the month with the highest UV index in Calstock?
How high is the UV index in September in Calstock?
Average temperature in September
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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
Calstock, 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).
Calstock, United Kingdom
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