September weather forecastInnerleithen, United Kingdom
September
Weather in September
The first month of the autumn, September, is also a moderate month in Innerleithen, United Kingdom, with temperature in the range of an average high of 13.6°C (56.5°F) and an average low of 7.8°C (46°F).Temperature
Innerleithen, United Kingdom, experiences an average high-temperature of a still mild 13.6°C (56.5°F) in September, subtly different from August's 15.6°C (60.1°F). In September, Innerleithen reports a consistent average low-temperature of 7.8°C (46°F) during the nights.Humidity
In Innerleithen, the average relative humidity in September is 89%.Rainfall
The months with the least rainfall in Innerleithen are April and September Rain falls for 7.6 days and accumulates 9mm (0.35") of rain.Snowfall
In Innerleithen, snow does not fall in May through October.Daylight
The average length of the day in September in Innerleithen is 12h and 44min.On the first day of September in Innerleithen, sunrise is at 6:18 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:49 pm BST.
Sunshine
The average sunshine in September is 5.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Innerleithen, United Kingdom
- Average high temperature in September: 13.6°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is July (9.5°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Innerleithen, United Kingdom
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is May (1015.6mbar).
The month with the lowest atmospheric pressure is November (1007.2mbar).
Average wind speed in September
Innerleithen, United Kingdom
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is January (20.4km/h).
The calmest month (with the lowest average wind speed) is June (13km/h).
Average humidity in September
Innerleithen, United Kingdom
- Average humidity in September: 89%
The months with the highest relative humidity are January, November and December (91%).
The month with the lowest relative humidity is April (83%).
Average rainfall in September
Innerleithen, United Kingdom
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is June (23mm).
The driest months (with the least rainfall) are April and September (9mm).
Average rainfall days in September
Innerleithen, United Kingdom
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Innerleithen, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Innerleithen, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.6 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
Innerleithen, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 5h and 24min
The month with the most sunshine is April (Average sunshine: 6h and 24min).
The month with the least sunshine is October (Average sunshine: 3h and 18min).
Average sunshine days in September
Innerleithen, United Kingdom
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is September (20.6 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in September
Innerleithen, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in September
Innerleithen, United Kingdom
- Average cloud cover in September: 65
The month with the most cloud cover is August (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in September
Innerleithen, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May and December (9km).
The months with the lowest visibility are June, July, August, September, October and November (8km).
