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
The transition from August to September brings an average high-temperature of a still mild 13.5°C (56.3°F), barely different from August's 14.7°C (58.5°F). A mild drop to an average of 10.5°C (50.9°F) marks the nights during September.Humidity
In September, the average relative humidity is 85%.Rainfall
In Airor, in September, it is raining for 16.7 days, with typically 35mm (1.38") of accumulated precipitation. Throughout the year, there are 199.5 rainfall days, and 485mm (19.09") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Airor.Daylight
The average length of the day in September in Airor is 12h and 46min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:19 pm. On the last day of September, in Airor, sunrise is at 7:25 am and sunset at 6:59 pm BST.
Sunshine
In Airor, the average sunshine in September is 5.1h.UV index
The months with the highest UV index in Airor, United Kingdom, are June through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Undertake precautions - Guarding against sun damage is counselled. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Airor in September?
What is the average humidity in September in Airor?
How many days does it rain in September in Airor?
When it does not snow in Airor?
What is the average length of the day in September in Airor?
What time are sunrise and sunset in September in Airor?
How many hours of sunshine does Airor have in September?
When is the highest UV index in Airor?
How high is the UV index in September in Airor?
Average temperature in September
Airor, United Kingdom
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (14.8°C).
The months with the lowest average high temperature are January and February (5.9°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is February (3.4°C).
Average pressure in September
Airor, United Kingdom
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is November (1005.5mbar).
Average wind speed in September
Airor, United Kingdom
- Average wind speed in September: 19.9km/h
The windiest month (with the highest average wind speed) is January (27.1km/h).
The calmest month (with the lowest average wind speed) is June (14.3km/h).
Average humidity in September
Airor, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Airor, United Kingdom
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is December (56mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Airor, United Kingdom
- Average rainfall days in September: 16.7 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is April (12.7 days).
Average snowfall in September
Airor, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Airor, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 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
Airor, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in September: 5h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Airor, United Kingdom
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is April (14.2 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in September
Airor, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are 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
Airor, United Kingdom
- Average cloud cover in September: 66
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility in September
Airor, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are April, October, November and December (10km).
The months with the lowest visibility are January, February, March, May, June, July, August and September (9km).
