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's weather records an average high-temperature of an enjoyable 18.5°C (65.3°F), showing little deviation from August. In the month of September, the nighttime temperature in Chatteris dips to a steady average of 11°C (51.8°F).Humidity
The average relative humidity in September in Chatteris is 77%.Rainfall
In Chatteris, United Kingdom, in September, during 9.6 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Chatteris, during the entire year, the rain falls for 158 days and collects up to 354mm (13.94") of precipitation.Snowfall
In Chatteris, snow does not fall in April through October.Daylight
In Chatteris, United Kingdom, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:47 pm. On the last day of September, in Chatteris, sunrise is at 7:00 am and sunset at 6:39 pm BST.
Sunshine
The average sunshine in September is 7.2h.UV index
In September, the average daily maximum UV index in Chatteris is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Chatteris?
What is the average humidity in September in Chatteris?
How many days does it rain in September in Chatteris?
When it does not snow in Chatteris?
What is the average length of the day in September in Chatteris?
When is the sunrise / sunset in September in Chatteris?
How long on average sun shines in September in Chatteris?
What is the UV index intensity in September in Chatteris?
Average temperature in September
Chatteris, United Kingdom
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in September
Chatteris, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Chatteris, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Chatteris, United Kingdom
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Chatteris, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Chatteris, United Kingdom
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in September
Chatteris, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chatteris, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
Chatteris, 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: 7h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Chatteris, United Kingdom
- Average sunshine days in September: 18 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Chatteris, 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
Chatteris, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 48).
Average visibility in September
Chatteris, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
