September 2020 weather stats for the Western Isles.

Hello and welcome to a look back at our weather in September 2020 – We cover the Western Isles and the rest of the UK at the end of the blog.

It was a very wet month across the Islands. Drier towards the end with some notable chilly nights. I will have full local stats for Stornoway Airport Met Office site when the data gets released mid month.

**updated with stats from the Stornoway Met Office site**

September was the 3rd Wettest month of the year with 135.4 mm of rain. 99 mm more then August. January and February were the only months wetter.

It was the wettest September since 2018 which had 189.4mm of rainfall.

2020 had 93.3 hours of sunshine the least amount of sunshine since 2011 which had 77.7 hours of Sunshine.

SEPA rainfall Gauges in the Western Isles

Creed Bridge – 153.8 mm of rain in September. September 2019 had 106.8mm of rainfall. It was the fourth wettest month of the year so far.

Laxdale (Harris) – 229.4 mm of rain in September. September 2019 had 181.6 mm of rainfall. It was the fourth wettest month of the year so far.

Loch Tormasad  – 152.8 mm of rain in September. September 2019 had 98.2 mm of rainfall. It was the fourth wettest month of the year so far.

Mill Croft – 163.2 mm of rain in September. September 2019 had 112.2 mm of rainfall. It was the fourth wettest month of the year so far.

All the information for above can be found here https://www2.sepa.org.uk/rainfall/

Daily Records

South Uist was the wettest place in the UK on the 1st September and on the 21st September Harris Quidnish was also the Wettest place in the UK.

Weather Warnings year to date

We just had one weather warning during the month of September a rainfall warning on the 12th September. A Flood alert was also issued as well but no significant flooding was noted.

The total number of weather warnings to date for the year for the Western Isles stands at 22.

Yellow – 22

Amber – 0

Red – 0

A further break down of the warnings.

Wind – 12

Snow and Ice – 2

Rain – 3

Thunderstorms – 3

Wind and snow – 1

Ice – 1

Lowest temperature of the 2020/21 Autumn winter.

3.4C recorded at Stornoway Airport 24th September.

National Weather stats for August– from the Met Office

Rainfall was below average for most of the UK apart from parts of the Western Isles and the far East of England.

Temperature

Northern Ireland recorded its lowest minimum temperature on record for September on the 27th with a minimum of -3.7C. This beats the previous record of -3.6C which was again set at Katesbridge in 2018.

The above image and stats come from the Met Office blog which can be found here https://blog.metoffice.gov.uk/

I will do a further blog update later in the month with more specific Stornoway Airport stats.

You can support us on Patreon here https://www.patreon.com/westernislesweather

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