Edinburgh Weather in September
With daytime temperatures of 17°C (63°F) and nighttime lows of 10°C (50°F), September in Edinburgh brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 70 mm (2.8 in) falls on average.
Rainfall in Edinburgh in September
Rain is expected on roughly 17 days, totalling around 70 mm (2.8 in) for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Edinburgh in September
In September, Edinburgh gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Edinburgh in September
The area enjoys a moderate level of sunlight, with around 128 hours. It's a good balance between sunny and cloudy days.
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 sits at 12°C (54°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, 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
56%
Precipitation
70 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
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
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.
Edinburgh historical weather extremes in September
Our historical data for Edinburgh spans 1976 to 2025, revealing these weather extremes.
- The hottest September day on record in Edinburgh reached 26°C (79°F) (September 5, 1999).
- Edinburgh experienced its chilliest September day on September 21, 1985, reaching only 10°C (50°F).
- Edinburgh registered its coldest September night on September 27, 2020, with temperatures dropping to -2°C (28°F).
- The wettest September day on record brought 33 mm (1.3 in) of precipitation to Edinburgh (September 11, 2000).
Best Places in the United Kingdom in September
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in September →
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What to Wear in Edinburgh in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Edinburgh in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Edinburgh's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Edinburgh climate overview or explore weather in the United Kingdom.
