September weather forecastCastlederg, United Kingdom
September
Weather in September
September, the first month of the autumn in Castlederg, is also a moderate month, with an average temperature varying between 14.5°C (58.1°F) and 8.4°C (47.1°F).Temperature
With the onset of September, a modest change to a mild 14.5°C (58.1°F) from August's 16.3°C (61.3°F) is noted in high-temperature. Nighttime temperature in Castlederg lowers to an average of 8.4°C (47.1°F) in September.Humidity
In September, the average relative humidity is 89%.Rainfall
In Castlederg, during September, the rain falls for 20.3 days and regularly aggregates up to 42mm (1.65") of precipitation. In Castlederg, United Kingdom, during the entire year, the rain falls for 240.4 days and collects up to 703mm (27.68") of precipitation.Snowfall
In Castlederg, United Kingdom, snow does not fall in May through October.Daylight
In Castlederg, the average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:38 am and sunset at 8:21 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:08 pm BST.
Sunshine
In September, the average sunshine in Castlederg is 4.6h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castlederg, United Kingdom
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (5.9°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in September
Castlederg, United Kingdom
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in September
Castlederg, United Kingdom
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is January (17.8km/h).
The calmest month (with the lowest average wind speed) is July (11.5km/h).
Average humidity in September
Castlederg, United Kingdom
- Average humidity in September: 89%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is April (84%).
Average rainfall in September
Castlederg, United Kingdom
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is August (81mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days in September
Castlederg, United Kingdom
- Average rainfall days in September: 20.3 days
The month with the highest number of rainy days is August (25.6 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in September
Castlederg, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (51mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Castlederg, 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Castlederg, United Kingdom
- Average daylight in September: 12h and 42min
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: 4h and 36min
The month with the most sunshine is June (Average sunshine: 6h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Castlederg, United Kingdom
- Average sunshine days in September: 5.6 days
The month with the most sunshine days is November (9.8 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in September
Castlederg, United Kingdom
- Average UV index in September: 3
The month with the highest UV index is June (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
Castlederg, United Kingdom
- Average cloud cover in September: 69
The month with the most cloud cover is August (Cloud cover 74).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in September
Castlederg, United Kingdom
- Average visibility in September: 7km
The month with the highest visibility is March (9km).
The months with the lowest visibility are July, August and September (7km).
