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
Upon the onset of September, Swainby witnesses an average high-temperature of a still enjoyable 16.5°C (61.7°F), showing a close resemblance to the prior month. Throughout September, Swainby experiences a low-temperature average of 9.5°C (49.1°F).Humidity
In Swainby, the average relative humidity in September is 83%.Rainfall
In Swainby, in September, during 12 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 167.8 rainfall days, and 343mm (13.5") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Swainby.Daylight
In September, the average length of the day in Swainby is 12h and 42min.On the first day of September in Swainby, sunrise is at 6:13 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:43 pm BST.
Sunshine
In September, the average sunshine in Swainby is 7.4h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Swainby?
What is the average humidity in September in Swainby?
How much does it rain in Swainby in September?
When it does not snow in Swainby?
What is the average length of the day in September in Swainby?
When are sunrise and sunset in September in Swainby?
How long on average sun shines in September in Swainby?
What is the month with the highest UV index in Swainby?
How high is the UV index in September in Swainby?
Average temperature in September
Swainby, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (11.5°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Swainby, United Kingdom
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is May (1016.1mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in September
Swainby, United Kingdom
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is February (18.5km/h).
The calmest months (with the lowest average wind speed) are June and July (12.8km/h).
Average humidity in September
Swainby, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Swainby, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Swainby, United Kingdom
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in September
Swainby, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Swainby, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Swainby, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Swainby, United Kingdom
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in September
Swainby, 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, March, November and December (UV index 2).
Average cloud cover in September
Swainby, United Kingdom
- Average cloud cover in September: 49
The months with the most cloud cover are February and November (Cloud cover 58).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in September
Swainby, 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).
Swainby, United Kingdom
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