September weather forecast
Fort Augustus, United Kingdom

September

Weather in September

September, the first month of the autumn in Fort Augustus, is still a cool month, with temperature in the range of an average high of 12.2°C (54°F) and an average low of 6.6°C (43.9°F).

Temperature

September's arrival registers an average high-temperature of a cool 12.2°C (54°F), closely aligning with the temperature of the previous month. Fort Augustus sees an average low-temperature of 6.6°C (43.9°F) during September.

Humidity

In September, the average relative humidity is 91%.

Rainfall

In Fort Augustus, in September, it is raining for 19 days, with typically 41mm (1.61") of accumulated precipitation. In Fort Augustus, during the entire year, the rain falls for 221.5 days and collects up to 641mm (25.24") of precipitation.

Snowfall

In Fort Augustus, United Kingdom, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 46min.
On the first day of September in Fort Augustus, sunrise is at 6:21 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:55 pm BST.

Sunshine

In Fort Augustus, the average sunshine in September is 4.4h.

UV index

In September, the average daily maximum UV index in Fort Augustus is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a regular UV index of 3 translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the average September temperature in Fort Augustus?
An average high-temperature, in September, in Fort Augustus, is 12.2°C (54°F) and the average low-temperature is 6.6°C (43.9°F).
What is the average humidity in September in Fort Augustus?
In Fort Augustus, United Kingdom, the average relative humidity in September is 91%.
How many days does it rain in September in Fort Augustus?
In Fort Augustus, United Kingdom, during September, the rain falls for 19 days and regularly aggregates up to 41mm (1.61") of precipitation.
When it does not snow in Fort Augustus?
June through September are months without snowfall in Fort Augustus.
Does it snow in Fort Augustus in September?
In Fort Augustus, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Fort Augustus?
The average day length in September in Fort Augustus, United Kingdom, is 12h and 46min.
When is the sunrise / sunset in September in Fort Augustus?
In September, on the first day of the month, sunrise is at 6:21 am and sunset at 8:15 pm. On the last day of the month, in Fort Augustus, sunrise is at 7:21 am and sunset at 6:55 pm BST.
How long on average sun shines in September in Fort Augustus?
In September, the average sunshine duration is 4.4h.
What is the UV index intensity in September in Fort Augustus?
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Fort Augustus, United Kingdom
  • Average high temperature in September: 12.2°C

The warmest month (with the highest average high temperature) is July (14.9°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in September: 6.6°C

The month with the highest average low temperature is July (8.1°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).

Average pressure in September
Fort Augustus, United Kingdom
  • Average pressure in September: 1012mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is November (1005.8mbar).

Average wind speed in September
Fort Augustus, United Kingdom
  • Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is January (16km/h).
The calmest month (with the lowest average wind speed) is June (10.4km/h).

Average humidity in September
Fort Augustus, United Kingdom
  • Average humidity in September: 91%

The months with the highest relative humidity are January and December (93%).
The months with the lowest relative humidity are April and May (83%).

Average rainfall in September
Fort Augustus, United Kingdom
  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is January (78mm).
The driest month (with the least rainfall) is April (28mm).

Average rainfall days in September
Fort Augustus, United Kingdom
  • Average rainfall days in September: 19 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is February (15 days).

Average snowfall in September
Fort Augustus, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (132mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Fort Augustus, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Fort Augustus, 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: 4h and 2min

The month with the most sunshine is June (Average sunshine: 5h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).

Average sunshine days in September
Fort Augustus, United Kingdom
  • Average sunshine days in September: 7.4 days

The month with the most sunshine days is April (10.6 days).
The month with the least sunshine days is July (4.8 days).

Average UV index in September
Fort Augustus, United Kingdom
  • Average UV index in September: 3

The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September
Fort Augustus, United Kingdom
  • Average cloud cover in September: 75

The months with the most cloud cover are August and September (Cloud cover 75).
The month with the least cloud cover is April (Cloud cover 64).

Average visibility in September
Fort Augustus, United Kingdom
  • Average visibility in September: 7km

The months with the highest visibility are March, April, May and June (8km).
The months with the lowest visibility are January, February, July, August, September, October, November and December (7km).

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