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
The onset of September manifests an average high-temperature of a refreshing 18.1°C (64.6°F), demonstrating a minor variation from the preceding month. Chieveley experiences an average nighttime temperature of 10.2°C (50.4°F) in the month of September.Humidity
In September, the average relative humidity is 82%.Rainfall
September is the month with the least rainfall in Chieveley. Rain falls for 9.3 days and accumulates 13mm (0.51") of precipitation.Snowfall
In Chieveley, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:51 pm. On the last day of September, in Chieveley, sunrise is at 7:05 am and sunset at 6:44 pm BST.
Sunshine
In Chieveley, the average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Chieveley?
What is the average humidity in September in Chieveley?
What is the driest month in Chieveley?
How much does it rain in Chieveley in September?
When it does not snow in Chieveley?
What is the average length of the day in September in Chieveley?
When is the sunrise / sunset in September in Chieveley?
How long on average sun shines in September in Chieveley?
What is the UV index reading in September in Chieveley?
Average temperature in September
Chieveley, United Kingdom
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Chieveley, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in September
Chieveley, United Kingdom
- Average wind speed in September: 13.2km/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 July (12.9km/h).
Average humidity in September
Chieveley, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Chieveley, United Kingdom
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is December (31mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Chieveley, United Kingdom
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is September (9.3 days).
Average snowfall in September
Chieveley, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chieveley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Chieveley, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Chieveley, United Kingdom
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in September
Chieveley, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Chieveley, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Chieveley, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, July and August (9km).
The months with the lowest visibility are January, June, September, October, November and December (8km).
