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
As August transitions into September, Innellan records an average high-temperature of a still mild 13.8°C (56.8°F), showing a gentle shift from the preceding month. Innellan observes an average low-temperature of 10.5°C (50.9°F) during the slightly cooler nights of September.Humidity
In Innellan, the average relative humidity in September is 86%.Rainfall
In Innellan, in September, it is raining for 21 days, with typically 73mm (2.87") of accumulated precipitation. Throughout the year, there are 246.6 rainfall days, and 930mm (36.61") of precipitation is accumulated.Snowfall
May through November are months without snowfall.Daylight
In Innellan, the average length of the day in September is 12h and 44min.On the first day of September, sunrise is at 6:25 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:57 pm BST.
Sunshine
In Innellan, the average sunshine in September is 5.7h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Innellan?
What is the average humidity in September in Innellan?
How many days does it rain in September in Innellan?
When it does not snow in Innellan?
How many hours of daylight does Innellan have in September?
When is the sunrise / sunset in September in Innellan?
How long on average sun shines in September in Innellan?
What is the UV index reading in September in Innellan?
Average temperature in September
Innellan, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is July (15.8°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Innellan, United Kingdom
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in September
Innellan, United Kingdom
- Average wind speed in September: 19km/h
The windiest month (with the highest average wind speed) is January (25.1km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in September
Innellan, United Kingdom
- Average humidity in September: 86%
The month with the highest relative humidity is August (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Innellan, United Kingdom
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is December (100mm).
The driest month (with the least rainfall) is April (42mm).
Average rainfall days in September
Innellan, United Kingdom
- Average rainfall days in September: 21 days
The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is April (17.8 days).
Average snowfall in September
Innellan, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Innellan, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 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
Innellan, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is June (Average sunshine: 7h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Innellan, United Kingdom
- Average sunshine days in September: 7.4 days
The month with the most sunshine days is May (10.2 days).
The month with the least sunshine days is August (5.6 days).
Average UV index in September
Innellan, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Innellan, United Kingdom
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 54).
Average visibility in September
Innellan, 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).
