Inverness Weather in September
Thinking of visiting Inverness in September? Expect moderate temperatures reaching 16°C (61°F) during the day, dropping to 9°C (48°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Inverness in September
Past climate data indicates that roughly 19 days will see rain, totalling around 81 mm (3.2 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in Inverness in September
Inverness in September gets highs of 16°C (61°F) during the day and drops to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Inverness in September
You can expect a moderate amount of sunlight, with approximately 115 hours. This means a pleasant mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, 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 Inverness's climate page.
Inverness Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Inverness typically stay consistent throughout September, with daily highs averaging around 16°C (61°F). Nights are cool, with lows typically ranging from 7°C (45°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 Inverness in September
Browse day-by-day weather records for Inverness spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Inverness historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Inverness.
- The warmest day in September was on September 8, 2023, with a maximum of 26°C (79°F).
- On September 27, 1995, Inverness saw its coldest September day with temperatures maxing out at 8°C (46°F).
- The coldest night in September in Inverness was on September 11, 1989, with a minimum of -1°C (30°F).
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 Inverness 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Inverness 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 Inverness's climate page.
See the full Inverness climate overview or explore weather in the United Kingdom.