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
With September's arrival, Swaffham Prior notes an average high-temperature of a refreshing 18.5°C (65.3°F), closely following the trend of the preceding month. During September nights, Swaffham Prior witnesses a consistent average temperature of 11.5°C (52.7°F).Humidity
In Swaffham Prior, the average relative humidity in September is 78%.Rainfall
In Swaffham Prior, during September, the rain falls for 11.5 days and regularly aggregates up to 22mm (0.87") of precipitation. In Swaffham Prior, during the entire year, the rain falls for 173.6 days and collects up to 381mm (15") of precipitation.Snowfall
In Swaffham Prior, snow does not fall in April through October.Daylight
In Swaffham Prior, United Kingdom, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:46 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:38 pm BST.
Sunshine
The average sunshine in September in Swaffham Prior is 7.1h.UV index
In Swaffham Prior, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Swaffham Prior?
What is the average humidity in September in Swaffham Prior?
How many days does it rain in September in Swaffham Prior?
When it does not snow in Swaffham Prior?
How many hours of daylight does Swaffham Prior have in September?
When is the sunrise / sunset in September in Swaffham Prior?
How many hours of sunshine does Swaffham Prior have in September?
What is the UV index reading in September in Swaffham Prior?
Average temperature in September
Swaffham Prior, United Kingdom
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in September
Swaffham Prior, 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 (1010.2mbar).
Average wind speed in September
Swaffham Prior, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Swaffham Prior, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Swaffham Prior, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Swaffham Prior, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Swaffham Prior, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Swaffham Prior, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Swaffham Prior, 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 42min).
Average sunshine days in September
Swaffham Prior, United Kingdom
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Swaffham Prior, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is 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
Swaffham Prior, United Kingdom
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 48).
Average visibility in September
Swaffham Prior, 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).
Swaffham Prior, United Kingdom
Weather forecast for your location
2. Allow the app to use your location