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 records an average high-temperature of a still enjoyable 17.5°C (63.5°F), a near match to August's 19.8°C (67.6°F). The nights of September cool down to an average low of 13.6°C (56.5°F), subtly lower than daytime highs.Humidity
The months with the lowest humidity in Reydon are August and September, with an average relative humidity of 77%.Rainfall
In Reydon, during September, the rain falls for 13 days and regularly aggregates up to 26mm (1.02") of precipitation. In Reydon, during the entire year, the rain falls for 179.9 days and collects up to 392mm (15.43") of precipitation.Snowfall
In Reydon, United Kingdom, snow does not fall in May through October.Daylight
In Reydon, United Kingdom, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:40 pm. On the last day of September, in Reydon, sunrise is at 6:53 am and sunset at 6:32 pm BST.
Sunshine
The average sunshine in September is 8.1h.UV index
In Reydon, United Kingdom, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Reydon in September?
What is the least humid month in Reydon?
What is the average humidity in September in Reydon?
How much does it rain in Reydon in September?
When it does not snow in Reydon?
How many hours of daylight does Reydon have in September?
When is the sunrise / sunset in September in Reydon?
How long on average sun shines in September in Reydon?
What is the UV index reading in September in Reydon?
Average temperature in September
Reydon, United Kingdom
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in September
Reydon, United Kingdom
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Reydon, United Kingdom
- Average wind speed in September: 19.5km/h
The windiest month (with the highest average wind speed) is December (26.7km/h).
The calmest month (with the lowest average wind speed) is July (17.1km/h).
Average humidity in September
Reydon, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Reydon, United Kingdom
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Reydon, United Kingdom
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in September
Reydon, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Reydon, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Reydon, 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in September
Reydon, United Kingdom
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is April (14.9 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Reydon, 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
Reydon, United Kingdom
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Reydon, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
