Greenock Weather in September

September in Greenock averages 17°C (63°F) during the day and 9°C (48°F) at night. Quite a bit of rainfall is typical this month, with around 135 mm (5.3 in) on average. An umbrella is a good idea.

Rainfall in Greenock in September

Analyzing past climate data, one can expect approximately 21 days of rain, averaging 135 mm (5.3 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.

Temperature in Greenock in September

September in Greenock brings moderate temperatures, with highs of 17°C (63°F) and nights around 9°C (48°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Greenock in September

The area enjoys a moderate level of sunlight, with around 117 hours. It's a good balance between sunny and cloudy days.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Greenock's climate page.

Greenock Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 71%  

Precipitation 135 mm (5.3 in)  

Rainy days 21 days  

Humidity 79% *  

Sunshine 117 hours *  

Percentage Sunshine 29% *  

* Data from: Glasgow, Scotland (22 KM, 13 Miles).

What to Wear in Greenock in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Greenock in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Greenock's climate page.

More climate data for Greenock

Temperature Rainfall Sunshine Humidity

See the full Greenock climate overview or explore weather in the United Kingdom.