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 marks an average high-temperature of an enjoyable 18.2°C (64.8°F), hardly differing from August's 20.8°C (69.4°F). Silsoe reports a consistent average low-temperature of 10.5°C (50.9°F) throughout September nights.Humidity
In Silsoe, United Kingdom, the average relative humidity in September is 80%.Rainfall
The month with the least rainfall in Silsoe is September, when the rain falls for 11.2 days and typically collects 23mm (0.91") of precipitation.Snowfall
In Silsoe, snow does not fall in May through October.Daylight
In September, the average length of the day in Silsoe is 12h and 39min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:48 pm. On the last day of September, in Silsoe, sunrise is at 7:01 am and sunset at 6:41 pm BST.
Sunshine
In Silsoe, the average sunshine in September is 6.9h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index in Silsoe. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Silsoe?
What is the average humidity in September in Silsoe?
What is the driest month in Silsoe?
How much does it rain in Silsoe in September?
When it does not snow in Silsoe?
What is the average length of the day in September in Silsoe?
When is the sunrise / sunset in September in Silsoe?
How long on average sun shines in September in Silsoe?
What is the month with the highest UV index in Silsoe?
What is the UV index intensity in September in Silsoe?
Average temperature in September
Silsoe, United Kingdom
- Average high temperature in September: 18.2°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: 10.5°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Silsoe, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Silsoe, United Kingdom
- Average wind speed in September: 13.3km/h
The windiest months (with the highest average wind speed) are February and December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).
Average humidity in September
Silsoe, United Kingdom
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Silsoe, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in September
Silsoe, United Kingdom
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Silsoe, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Silsoe, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 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
Silsoe, 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: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Silsoe, United Kingdom
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in September
Silsoe, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Silsoe, United Kingdom
- Average cloud cover in September: 50
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Silsoe, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
