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 high-temperature average in September for Clitheroe is a mild 15.1°C (59.2°F), staying closely aligned with August's conditions. Throughout September nights, Clitheroe registers an average low-temperature of 8.5°C (47.3°F).Humidity
In September, the average relative humidity in Clitheroe, United Kingdom, is 88%.Rainfall
In Clitheroe, during September, the rain falls for 15.7 days and regularly aggregates up to 36mm (1.42") of precipitation. In Clitheroe, during the entire year, the rain falls for 208.6 days and collects up to 540mm (21.26") of precipitation.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day in Clitheroe, United Kingdom, is 12h and 41min.On the first day of September in Clitheroe, sunrise is at 6:19 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:48 pm BST.
Sunshine
The average sunshine in September in Clitheroe is 5.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Clitheroe?
What is the average humidity in September in Clitheroe?
How much does it rain in Clitheroe in September?
When it does not snow in Clitheroe?
How many hours of daylight does Clitheroe have in September?
What time are sunrise and sunset in September in Clitheroe?
How long on average sun shines in September in Clitheroe?
How high is the UV index in September in Clitheroe?
Average temperature in September
Clitheroe, United Kingdom
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (10.4°C).
The coldest months (with the lowest average low temperature) are January and February (1°C).
Average pressure in September
Clitheroe, United Kingdom
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.7mbar).
Average wind speed in September
Clitheroe, United Kingdom
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is February (18.6km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Clitheroe, United Kingdom
- Average humidity in September: 88%
The months with the highest relative humidity are January, November and December (91%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall in September
Clitheroe, United Kingdom
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is August (61mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Clitheroe, United Kingdom
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is February (14 days).
Average snowfall in September
Clitheroe, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (42mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Clitheroe, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Clitheroe, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is April (Average sunshine: 6h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Clitheroe, United Kingdom
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in September
Clitheroe, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Clitheroe, United Kingdom
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility in September
Clitheroe, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are April and May (9km).
The months with the lowest visibility are January, February, March, June, July, August, September, October, November and December (8km).
Clitheroe, United Kingdom
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