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 brings an average high-temperature of a refreshing 17.5°C (63.5°F), showing a slight difference from August's 20°C (68°F). Throughout September, the average low-temperature dips to a chilly 9.8°C (49.6°F).Humidity
The average relative humidity in September in Wartnaby is 82%.Rainfall
In September, the rain falls for 5.2 days. Throughout September, 9mm (0.35") of precipitation is accumulated. In Wartnaby, during the entire year, the rain falls for 89 days and collects up to 123mm (4.84") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September, sunrise is at 6:15 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:42 pm BST.
Sunshine
In Wartnaby, 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 Wartnaby. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Wartnaby?
What is the average humidity in September in Wartnaby?
How much does it rain in Wartnaby in September?
When it does not snow in Wartnaby?
How many hours of daylight does Wartnaby have in September?
When is the sunrise / sunset in September in Wartnaby?
How many hours of sunshine does Wartnaby have in September?
When is the highest UV index in Wartnaby?
What is the UV index reading in September in Wartnaby?
Average temperature in September
Wartnaby, United Kingdom
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12.2°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Wartnaby, United Kingdom
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Wartnaby, United Kingdom
- Average wind speed in September: 13.4km/h
The windiest months (with the highest average wind speed) are February and December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Wartnaby, United Kingdom
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
Wartnaby, United Kingdom
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is June (19mm).
The driest months (with the least rainfall) are January, March and April (7mm).
Average rainfall days in September
Wartnaby, United Kingdom
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is August (8.7 days).
The month with the least rainy days is September (5.2 days).
Average snowfall in September
Wartnaby, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Wartnaby, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Wartnaby, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Wartnaby, United Kingdom
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is July (16.4 days).
Average UV index in September
Wartnaby, 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
Wartnaby, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April, August and September (Cloud cover 52).
Average visibility in September
Wartnaby, 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).
