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
Chilbolton's weather in September indicates an average high-temperature of a comfortable 18.3°C (64.9°F), nearly consistent with the 20.5°C (68.9°F) of August. Chilbolton in September anticipates an average nighttime temperature of 10.5°C (50.9°F).Humidity
In Chilbolton, United Kingdom, the average relative humidity in September is 81%.Rainfall
In Chilbolton, in September, it is raining for 10.9 days, with typically 23mm (0.91") of accumulated precipitation. In Chilbolton, during the entire year, the rain falls for 164.5 days and collects up to 403mm (15.87") of precipitation.Snowfall
April through October are months without snowfall in Chilbolton, United Kingdom.Daylight
The average length of the day in September in Chilbolton, United Kingdom, is 12h and 38min.On the first day of September in Chilbolton, sunrise is at 6:19 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:45 pm BST.
Sunshine
The average sunshine in September in Chilbolton is 7.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Chilbolton?
What is the average humidity in September in Chilbolton?
How many days does it rain in September in Chilbolton?
When it does not snow in Chilbolton?
How many hours of daylight does Chilbolton have in September?
When is the sunrise / sunset in September in Chilbolton?
How long on average sun shines in September in Chilbolton?
What is the UV index intensity in September in Chilbolton?
Average temperature in September
Chilbolton, United Kingdom
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (2.3°C).
Average pressure in September
Chilbolton, United Kingdom
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Chilbolton, United Kingdom
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is February (17.2km/h).
The calmest month (with the lowest average wind speed) is July (12.5km/h).
Average humidity in September
Chilbolton, United Kingdom
- Average humidity in September: 81%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is July (79%).
Average rainfall in September
Chilbolton, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Chilbolton, United Kingdom
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is September (10.9 days).
Average snowfall in September
Chilbolton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chilbolton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 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
Chilbolton, 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: 8h and 0min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Chilbolton, United Kingdom
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is September (15.8 days).
The months with the least sunshine days are February and November (12.2 days).
Average UV index in September
Chilbolton, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and 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
Chilbolton, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April, July and September (Cloud cover 50).
Average visibility in September
Chilbolton, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March, May, June and July (9km).
The months with the lowest visibility are January, April, August, September, October, November and December (8km).
Chilbolton, United Kingdom
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