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
Killowen indicates an average high-temperature of a moderate 14.8°C (58.6°F) in September, showing minor variation from August's 16.4°C (61.5°F). In Killowen, the September nights are characterized by an average low-temperature of 10.3°C (50.5°F), a minor dip from daytime readings.Humidity
The average relative humidity in September is 87%.Rainfall
In Killowen, during September, the rain falls for 15.6 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, in Killowen, United Kingdom, there are 199.5 rainfall days, and 567mm (22.32") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day in Killowen is 12h and 41min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:03 pm BST.
Sunshine
In Killowen, United Kingdom, the average sunshine in September is 6.2h.UV index
The months with the highest UV index in Killowen are May, June, August and September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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
What are September temperatures in Killowen?
What is the average humidity in September in Killowen?
How much does it rain in Killowen in September?
When it does not snow in Killowen?
How many hours of daylight does Killowen have in September?
When are sunrise and sunset in September in Killowen?
How many hours of sunshine does Killowen have in September?
What is the month with the highest UV index in Killowen?
What is the UV index reading in September in Killowen?
Average temperature in September
Killowen, United Kingdom
- Average high temperature in September: 14.8°C
The warmest months (with the highest average high temperature) are July and August (16.4°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (11.5°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).
Average pressure in September
Killowen, United Kingdom
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in September
Killowen, United Kingdom
- Average wind speed in September: 17.3km/h
The windiest month (with the highest average wind speed) is January (22.8km/h).
The calmest months (with the lowest average wind speed) are June and July (14.2km/h).
Average humidity in September
Killowen, United Kingdom
- Average humidity in September: 87%
The month with the highest relative humidity is December (88%).
The months with the lowest relative humidity are March, April and May (84%).
Average rainfall in September
Killowen, United Kingdom
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (66mm).
The driest months (with the least rainfall) are January and April (35mm).
Average rainfall days in September
Killowen, United Kingdom
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is August (21.6 days).
The month with the least rainy days is February (13.5 days).
Average snowfall in September
Killowen, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Killowen, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Killowen, 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: 6h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Killowen, United Kingdom
- Average sunshine days in September: 9.8 days
The months with the most sunshine days are January and November (12 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in September
Killowen, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, 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
Killowen, United Kingdom
- Average cloud cover in September: 56
The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Killowen, 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).
