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Glasgow in September: Weather, Average temperature and Climate

Discover the weather for Glasgow in September and if it’s a good time to travel (based on historical data).
Check flight prices to Glasgow on Avionero:
September

Weather in Glasgow in September 2024

OK Weather
Mild
☁️
Cloudy
If you plan to visit Glasgow in September, the weather is typically alright, with an average high temperature of +61°F during the day and approximately 2 sunny days. Expect some rainy, though, as there are typically 11 rainy days in the month and around 100 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+61°F
Avg. max. temperature
+28°F
Min.
+82°F
Max.
100 mm
Total precipitation
81%
Avg. humidity
3 m/s
Avg. wind
2 ☀️
Sunny Days
17 ⛅️
Cloudy
11 🌦
Rainy
Our opinion: Glasgow has OK weather in September.

Average temperature in Glasgow in September

Here are the expected maximum, average and minimum temperatures in Glasgow for September based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in September is +63°F with a maximum of +72°F and a minimum of +39°F.

The average maximum temperature goes down 28% by the end of the month, compared with the beginning of the month, from +68°F to +59°F.

Is Glasgow warm or cold in September?

Glasgow is typically mild in September.

Maximum temperatures go up compared to the previous month from +64°F to +61°F. The minimum temperature also goes down from +52°F to +48°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how September is compared to other months in Glasgow:

Climate in Glasgow in September

Glasgow weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+64°F+61°F+55°F
Min. temperature
+36°F+28°F+19°F
Max. temperature
+82°F+82°F+68°F
Rainfall
110 mm100 mm133 mm
Wind
2 m/s3 m/s3 m/s
Humidity
79%81%83%
Air pressure
1011 HPa1012 HPa1008 HPa
Sunny days
222
Cloudy days
171715
Rainy days
121114
Snowy days
000

September weather is still as ok as in August. It’s getting colder in September. From +64°F in the day, the average maximum temperature lowers to +61°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 110 mm to 100 mm. Humidity rises from 79% to 81%. Winds are stronger in comparison to August, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

October brings much the same weather, it remains ok.

Wind

Wind speed in Glasgow in September based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Glasgow is gradually increasing during September, going from 2 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Glasgow based on historical data.
Last Year
Historical Data
Total precipitation in September is about 143 mm, with a 40% chance of rain on a typical day. The maximum amount of rainfall per day is around 27 mm, which is moderate rain. September is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Glasgow wettest month is October, where a typical day has a 45% chance of precipitation and 133 mm of rainfall per day. April, on the other hand, is the driest month with a mere 30% chance of precipitation and 68 mm of rainfall per day.

How was the weather last September in Glasgow?

This is the weather in Glasgow in September 2023:
1 September
☁️
+69°F
2 September
☁️
+68°F
3 September
🌧️
+65°F
4 September
🌧️
+69°F
5 September
☁️
+72°F
6 September
🌧️
+66°F
7 September
🌧️
+67°F
8 September
🌧️
+65°F
9 September
🌧️
+64°F
10 September
☁️
+64°F
11 September
☁️
+65°F
12 September
☁️
+61°F
13 September
☀️
+63°F
14 September
☁️
+63°F
15 September
☀️
+60°F
16 September
☀️
+60°F
17 September
☁️
+58°F
18 September
☁️
+61°F
19 September
☁️
+63°F
20 September
☁️
+65°F
21 September
☁️
+65°F
22 September
☁️
+62°F
23 September
☀️
+61°F
24 September
☁️
+60°F
25 September
☁️
+59°F
26 September
☁️
+56°F
27 September
☁️
+56°F
28 September
☁️
+58°F
29 September
☁️
+61°F
30 September
🌧️
+59°F
In September 2023 Glasgow had 4 sunny days, 19 cloudy days, and 7 rainy days. The average maximum temperature was +63°F, with an absolute maximum of +72°F and a minimum of +55°F. The average humidity was 82%, with a maximum of 96% and a minimum of 53%. The average wind speed was 4 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Glasgow climate has changed over the last 43 years.

The climate in Glasgow in September has not changed that much over the last 43 years.

The average temperature was the lowest in 1984 (+60°F) and the highest in 2021 (+67°F). The driest year was 2014 with only 17 mm of rainfall, and the wettest year was 1985 with 231 mm.

FAQ

Frequently asked questions about the weather in Glasgow in September:

Is September a good time to visit Glasgow?

It’s always a good time to visit Glasgow, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Glasgow in September?

September has mild temperatures in Glasgow. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Glasgow rainy in September?

Glasgow is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Glasgow in September?

Usually, it’s not very sunny in Glasgow in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in United Kingdom

Check out the weather for other cities in United Kingdom.

Monthly weather in Glasgow

Source of the data

For this page, we’ve looked at the typical weather in Glasgow, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.