Glasgow weather in September

Long-run climate averages for Glasgow, Scotland in September, plus what the forecast models say for the days ahead.

September at a glance

In September, Glasgow averages 17°C by day and 10°C at night. The wettest month is usually August.

September in Glasgow averages a daytime high of 17°C and an overnight low of 10°C, which reads as mild for this part of the world. Across the whole year Glasgow sees roughly 1326 mm of precipitation.

Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Glasgow forecast with every model compared and how much they currently agree.

Glasgow weather by month

what to expect in Glasgow through the year

Here is Glasgow's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Glasgow by season.

Jan

6°

1°

Cold

Feb

8°

3°

Cool

Mar

9°

2°

Cool

Apr

12°

4°

Cool

May

17°

9°

Mild

Jun

18°

10°

Mild

Jul

18°

11°

Mild

Aug

18°

11°

Mild

Wettest

Sep

17°

10°

Mild

Oct

13°

7°

Cool

Nov

9°

3°

Cool

Dec

8°

4°

Cool

Common questions

How warm is Glasgow in September?

Glasgow averages a daytime high of 17°C in September, with overnight lows around 10°C. These are long-run climate averages, not a forecast — for the actual days ahead see the live model comparison.

Is September a good time to visit Glasgow?

The most comfortable time to visit Glasgow is usually May, June, July and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest August rain is behind you.

Does it rain a lot in Glasgow in September?

The wettest month in Glasgow is usually August. Across the year the city sees roughly 1326 mm of precipitation.

Glasgow in other months

January February March April May June July August October November December

More about Glasgow

Glasgow live forecast Best time to visit Glasgow Which forecast is most accurate in United Kingdom?