September weather forecast
Mallaig, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Mallaig, United Kingdom, with an average temperature ranging between min 10.5°C (50.9°F) and max 13.5°C (56.3°F).

Temperature

As Mallaig welcomes September, the average high-temperature records at a still moderate 13.5°C (56.3°F), marking an insignificant deviation from the prior month. Mallaig notes an average temperature descent to a cool 10.5°C (50.9°F) in September, a small shift from its daytime peak.

Humidity

In Mallaig, United Kingdom, the average relative humidity in September is 85%.

Rainfall

In Mallaig, United Kingdom, in September, during 16.7 rainfall days, 35mm (1.38") of precipitation is typically accumulated. In Mallaig, during the entire year, the rain falls for 199.5 days and collects up to 485mm (19.09") of precipitation.

Snowfall

In Mallaig, snow does not fall in May through October.

Daylight

The average length of the day in September in Mallaig 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, sunrise is at 7:26 am and sunset at 7:00 pm BST.

Sunshine

In Mallaig, the average sunshine in September is 5.1h.

UV index

The months with the highest UV index in Mallaig are June through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 4 during September leads to these advisories:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.

Frequently asked questions

What is the temperature in September in Mallaig?
In Mallaig, in September, the average high-temperature is 13.5°C (56.3°F), and the average low-temperature is 10.5°C (50.9°F).
What is the average humidity in September in Mallaig?
In Mallaig, the average relative humidity in September is 85%.
How many days does it rain in September in Mallaig?
In Mallaig, during September, the rain falls for 16.7 days and regularly aggregates up to 35mm (1.38") of precipitation.
When it does not snow in Mallaig?
May through October are months without snowfall in Mallaig, United Kingdom.
How many hours of daylight does Mallaig have in September?
The average day length in September in Mallaig is 12h and 46min.
When are sunrise and sunset in September in Mallaig?
In September, on the first day of the month, sunrise is at 6:26 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:00 pm BST.
How long on average sun shines in September in Mallaig?
In Mallaig, the average sunshine duration in September is 5.1h.
When is the highest UV index in Mallaig?
June through September, with an average maximum UV index of 4, are months with the highest UV index.
What is the UV index reading in September in Mallaig?
In Mallaig, United Kingdom, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 - Mallaig, United Kingdom
Average temperature in September
Mallaig, 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 - Mallaig, United Kingdom
Average pressure in September
Mallaig, 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 - Mallaig, United Kingdom
Average wind speed in September
Mallaig, 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 - Mallaig, United Kingdom
Average humidity in September
Mallaig, 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 - Mallaig, United Kingdom
Average rainfall in September
Mallaig, 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 - Mallaig, United Kingdom
Average rainfall days in September
Mallaig, 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 - Mallaig, United Kingdom
Average snowfall in September
Mallaig, 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 - Mallaig, United Kingdom
Average snowfall days in September
Mallaig, 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 - Mallaig, United Kingdom
Average daylight in September /
Average sunshine in September
Mallaig, 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 - Mallaig, United Kingdom
Average sunshine days in September
Mallaig, 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 - Mallaig, United Kingdom
Average UV index in September
Mallaig, 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 - Mallaig, United Kingdom
Average cloud cover in September
Mallaig, 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 - Mallaig, United Kingdom
Average visibility in September
Mallaig, 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).

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