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
As Castleside steps into September, the average high-temperature holds at a mild 15.4°C (59.7°F), hinting at a minor fluctuation from the prior month. Throughout September, the average low-temperature dips to a frosty 9°C (48.2°F).Humidity
The average relative humidity in September is 85%.Rainfall
In Castleside, United Kingdom, in September, during 12.7 rainfall days, 28mm (1.1") of precipitation is typically accumulated. In Castleside, during the entire year, the rain falls for 177.7 days and collects up to 407mm (16.02") of precipitation.Snowfall
In Castleside, United Kingdom, snow does not fall in June through October.Daylight
The average length of the day in September in Castleside is 12h and 43min.On the first day of September, sunrise is at 6:15 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 6:45 pm BST.
Sunshine
The average sunshine in September in Castleside is 7.1h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Castleside?
What is the average humidity in September in Castleside?
How many days does it rain in September in Castleside?
When it does not snow in Castleside?
What is the average length of the day in September in Castleside?
When are sunrise and sunset in September in Castleside?
How long on average sun shines in September in Castleside?
When is the highest UV index in Castleside?
What is the UV index reading in September in Castleside?
Average temperature in September
Castleside, United Kingdom
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in September
Castleside, United Kingdom
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008mbar).
Average wind speed in September
Castleside, United Kingdom
- Average wind speed in September: 14.9km/h
The windiest month (with the highest average wind speed) is January (19.3km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity in September
Castleside, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are January, November and December (89%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in September
Castleside, United Kingdom
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Castleside, United Kingdom
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in September
Castleside, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (41mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Castleside, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Castleside, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 1min
The months with the most sunshine are April, July and August (Average sunshine: 7h and 18min).
The months with the least sunshine are February and November (Average sunshine: 4h and 12min).
Average sunshine days in September
Castleside, United Kingdom
- Average sunshine days in September: 13.2 days
The months with the most sunshine days are April and September (13.2 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Castleside, 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
Castleside, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in September
Castleside, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, July, August, October, November and December (9km).
The months with the lowest visibility are June and September (8km).
