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
September is marked by an average high-temperature of a still comfortable 16.5°C (61.7°F), almost identical to the preceding month. Nighttime temperature dips to a mean of 8.8°C (47.8°F) during September.Humidity
The average relative humidity in September is 86%.Rainfall
In Cleehill, during September, the rain falls for 11.3 days and regularly aggregates up to 21mm (0.83") of precipitation. In Cleehill, during the entire year, the rain falls for 163.6 days and collects up to 312mm (12.28") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Cleehill, the average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 6:22 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:49 pm BST.
Sunshine
In Cleehill, the average sunshine in September is 6.3h.UV index
In Cleehill, United Kingdom, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 3 suggests these recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Cleehill, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (10.9°C).
The coldest months (with the lowest average low temperature) are January and February (1.2°C).
Average pressure in September
Cleehill, United Kingdom
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Cleehill, United Kingdom
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in September
Cleehill, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April, May, July and August (84%).
Average rainfall in September
Cleehill, United Kingdom
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Cleehill, United Kingdom
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (17.8 days).
The months with the least rainy days are February and September (11.3 days).
Average snowfall in September
Cleehill, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Cleehill, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.3 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
Cleehill, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 7h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in September
Cleehill, United Kingdom
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is January (14.6 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in September
Cleehill, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Cleehill, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 56).
Average visibility in September
Cleehill, United Kingdom
- Average visibility in September: 8km
The month with the highest visibility is February (9km).
The months with the lowest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
