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 onset sees an average high-temperature of a still refreshing 16.4°C (61.5°F), exhibiting a slight fluctuation from the previous month. The September average low temperature, marginally lower than the daytime high, records at a still refreshing 14.8°C (58.6°F).Humidity
In Ruan Major, the average relative humidity in September is 82%.Rainfall
In Ruan Major, in September, it is raining for 11.5 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, there are 183.7 rainfall days, and 547mm (21.54") of precipitation is accumulated.Snowfall
March through December are months without snowfall in Ruan Major.Daylight
The average length of the day in September in Ruan Major, United Kingdom, is 12h and 37min.On the first day of September, sunrise is at 6:36 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:01 pm BST.
Sunshine
In Ruan Major, the average sunshine in September is 7.5h.UV index
In Ruan Major, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Ruan Major have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Ruan Major?
Average temperature in September
Ruan Major, United Kingdom
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (9.4°C).
- Average low temperature in September: 14.8°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).
Average pressure in September
Ruan Major, United Kingdom
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in September
Ruan Major, United Kingdom
- Average wind speed in September: 24.7km/h
The windiest month (with the highest average wind speed) is December (33.5km/h).
The calmest month (with the lowest average wind speed) is July (21.3km/h).
Average humidity in September
Ruan Major, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are June and July (84%).
The months with the lowest relative humidity are January, February, November and December (79%).
Average rainfall in September
Ruan Major, United Kingdom
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is May (26mm).
Average rainfall days in September
Ruan Major, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (20 days).
The months with the least rainy days are May and September (11.5 days).
Average snowfall in September
Ruan Major, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Ruan Major, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Ruan Major, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 8h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Ruan Major, United Kingdom
- Average sunshine days in September: 15 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is November (7.5 days).
Average UV index in September
Ruan Major, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in September
Ruan Major, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Ruan Major, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
