Edinburgh Weather in September

September in Edinburgh brings moderate temperatures, with daytime highs of 17°C (63°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 71 mm (2.8 in), so pack an umbrella.

Rainfall in Edinburgh in September

You can expect rain on around 17 days based on historical patterns, with 71 mm (2.8 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Edinburgh in September

In September, Edinburgh sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 10°C (50°F). Conditions are often most pleasant around the middle of the day. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Edinburgh in September

The city usually sees around 128 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Edinburgh in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in September

The water temperature is only 12°C (54°F) this month — cold enough that most people will want to stay out. Hardy swimmers may manage a quick dip, but it won't be comfortable.

Should you favor a climate that's both dry and comfortably warm, June, 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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
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• May
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• August

• September
• October
• November
• December

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

Edinburgh Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Water Temperature 12°C (54°F)  

Chance of Rain 57%  

Precipitation 71 mm (2.8 in)  

Rainy days 17 days  

Humidity 80%  

Windspeed 4 m/s (8 knots)  

Sunshine 128 hours  

Percentage Sunshine 33%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Edinburgh typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 10°C (50°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Edinburgh in September

Browse day-by-day weather records for Edinburgh spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Edinburgh historical weather extremes in September

According to our 49 years of weather records for Edinburgh, the following extremes were recorded between 1976 and 2025.

• On September 9, 2023, temperatures climbed to 26°C (79°F), marking the warmest September day on record.
• The coldest September day was on September 21, 1985, with a maximum of 10°C (50°F).
• The lowest overnight temperature recorded in September was -2°C (28°F) (September 27, 2020).
• Peak precipitation in September occurred on September 24, 2006, when 33 mm (1.3 in) of precipitation was measured.

What to Wear in Edinburgh 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. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 12°C (54°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Edinburgh in September

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

Swimming

6/10

Cycling

6/10

Walking

6/10

Camping

4/10

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 Scotland, check out our Edinburgh's climate page.

More climate data for Edinburgh

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Edinburgh climate overview or explore weather in Scotland.