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
The average high-temperature during September is a still comfortable 16.7°C (62.1°F), almost matching the conditions of the preceding month. During September, Thormanby observes a consistent average nighttime temperature of 9.4°C (48.9°F).Humidity
The average relative humidity in September in Thormanby, United Kingdom, is 83%.Rainfall
In September, in Thormanby, the rain falls for 9.4 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Thormanby, there are 142.5 rainfall days, and 276mm (10.87") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In Thormanby, the average length of the day in September is 12h and 42min.On the first day of September in Thormanby, sunrise is at 6:14 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:43 pm BST.
Sunshine
The average sunshine in September is 7.5h.UV index
The months with the highest UV index in Thormanby are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during September translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Thormanby?
What is the average humidity in September in Thormanby?
How much does it rain in Thormanby in September?
When it does not snow in Thormanby?
What is the average length of the day in September in Thormanby?
When is the sunrise / sunset in September in Thormanby?
How long on average sun shines in September in Thormanby?
What are the months with the highest UV index in Thormanby?
What is the UV index intensity in September in Thormanby?
Average temperature in September
Thormanby, United Kingdom
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Thormanby, United Kingdom
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.6mbar).
Average wind speed in September
Thormanby, United Kingdom
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is June (12.3km/h).
Average humidity in September
Thormanby, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are November and December (89%).
The months with the lowest relative humidity are April and August (80%).
Average rainfall in September
Thormanby, United Kingdom
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is June (32mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Thormanby, United Kingdom
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is September (9.4 days).
Average snowfall in September
Thormanby, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Thormanby, 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 June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Thormanby, 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 30min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are July and August (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 4h and 18min).
Average sunshine days in September
Thormanby, United Kingdom
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is April (17.4 days).
The month with the least sunshine days is July (13 days).
Average UV index in September
Thormanby, 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
Thormanby, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is November (Cloud cover 59).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in September
Thormanby, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, July, August and December (9km).
The months with the lowest visibility are June, September, October and November (8km).
Thormanby, United Kingdom
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