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 sea temperature 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
With the onset of September, the average high-temperature stands at a still refreshing 14.3°C (57.7°F), closely aligned with August's 16.2°C (61.2°F). September nights in Inverness are marked by an average temperature drop to a frosty 8.5°C (47.3°F).Humidity
In September, the average relative humidity is 84%.Rainfall
In Inverness, United Kingdom, during September, the rain falls for 12.8 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, in Inverness, there are 155.3 rainfall days, and 270mm (10.63") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Sea temperature
In Inverness, the average seawater temperature in September is 13°C (55.4°F).Note: Entering waters of 13°C (55.4°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.
Daylight
In September, the average length of the day is 12h and 47min.On the first day of September, sunrise is at 6:19 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 6:53 pm BST.
Sunshine
The average sunshine in September in Inverness is 6.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are September temperatures in Inverness?
What is the average humidity in September in Inverness?
How many days does it rain in September in Inverness?
When it does not snow in Inverness?
Does it snow in Inverness in September?
How cold is the water in September in Inverness?
How many hours of daylight does Inverness have in September?
What time are sunrise and sunset in September in Inverness?
How many hours of sunshine does Inverness have in September?
What is the UV index intensity in September in Inverness?
Average temperature in September
Inverness, United Kingdom
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (16.8°C).
The month with the lowest average high temperature is January (4.2°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (9.9°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in September
Inverness, United Kingdom
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1005.6mbar).
Average wind speed in September
Inverness, United Kingdom
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is January (19.2km/h).
The calmest month (with the lowest average wind speed) is July (11.8km/h).
Average humidity in September
Inverness, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in September
Inverness, United Kingdom
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is August (32mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Inverness, United Kingdom
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (16 days).
The months with the least rainy days are February and November (10.5 days).
Average snowfall in September
Inverness, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (42mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Inverness, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Inverness, United Kingdom
- Average sea temperature in September: 13°C
The best month for swimming (with the highest average sea temperature) is August (14°C).
The coldest month (with the lowest average sea temperature) is March (7°C).
Average daylight in September /
Average sunshine in September
Inverness, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Inverness, United Kingdom
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is January (15.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Inverness, 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, November and December (UV index 2).
Average cloud cover in September
Inverness, United Kingdom
- Average cloud cover in September: 55
The month with the most cloud cover is June (Cloud cover 62).
The month with the least cloud cover is December (Cloud cover 51).
Average visibility in September
Inverness, 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).
Inverness, United Kingdom
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