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 advent of September sees the average high-temperature at a still mild 13.9°C (57°F), subtly shifted from August's 14.9°C (58.8°F). Ardshealach maintains a near steady average temperature of 11.5°C (52.7°F) during the nights of September, demonstrating little drop from daytime highs.Humidity
In Ardshealach, the average relative humidity in September is 83%.Rainfall
In Ardshealach, United Kingdom, in September, during 19.4 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, in Ardshealach, there are 231 rainfall days, and 789mm (31.06") of precipitation is accumulated.Snowfall
In Ardshealach, snow does not fall in April through November.Daylight
In September, the average length of the day in Ardshealach is 12h and 46min.On the first day of the month, sunrise is at 6:27 am and sunset at 8:18 pm. On the last day of September, sunrise is at 7:25 am and sunset at 7:00 pm BST.
Sunshine
The average sunshine in September is 5.5h.UV index
The months with the highest UV index are May, June, August and September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are September temperatures in Ardshealach?
What is the average humidity in September in Ardshealach?
How much does it rain in Ardshealach in September?
When it does not snow in Ardshealach?
What is the average length of the day in September in Ardshealach?
What time are sunrise and sunset in September in Ardshealach?
How many hours of sunshine does Ardshealach have in September?
When is the highest UV index in Ardshealach?
How high is the UV index in September in Ardshealach?
Average temperature in September
Ardshealach, United Kingdom
- Average high temperature in September: 13.9°C
The warmest month (with the highest average high temperature) is August (14.9°C).
The month with the lowest average high temperature is February (6.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is February (4.7°C).
Average pressure in September
Ardshealach, United Kingdom
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is November (1005.6mbar).
Average wind speed in September
Ardshealach, United Kingdom
- Average wind speed in September: 22.6km/h
The windiest month (with the highest average wind speed) is January (30.3km/h).
The calmest month (with the lowest average wind speed) is June (16km/h).
Average humidity in September
Ardshealach, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are July and August (85%).
The months with the lowest relative humidity are March, April, November and December (79%).
Average rainfall in September
Ardshealach, United Kingdom
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is October (90mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in September
Ardshealach, United Kingdom
- Average rainfall days in September: 19.4 days
The month with the highest number of rainy days is December (22.3 days).
The month with the least rainy days is April (15.3 days).
Average snowfall in September
Ardshealach, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ardshealach, 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 April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Ardshealach, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 5h and 3min
The month with the most sunshine is June (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Ardshealach, United Kingdom
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is April (12.4 days).
The months with the least sunshine days are August and December (6.5 days).
Average UV index in September
Ardshealach, 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
Ardshealach, United Kingdom
- Average cloud cover in September: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Ardshealach, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, April, September, October, November and December (10km).
The months with the lowest visibility are January, February, May, June, July and August (9km).
Ardshealach, United Kingdom
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