Gibraltar Weather in September
September in Gibraltar brings high temperatures, with daytime highs of 25°C (77°F) and nights around 20°C (68°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Gibraltar in September
You can expect rain on roughly 3 days based on historical data, averaging 38 mm (1.5 in) for the month. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.
Temperature in Gibraltar in September
Weather in Gibraltar is at its perfect in September. Highs reach 25°C (77°F), while nights settle around 20°C (68°F). September is known for being in the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 20°C (68°F), the nights are warm and generally comfortable.
Sunshine in Gibraltar in September
The days are predominantly sunny, with an estimated total of around 240 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Average water temperature in September
With water at 20°C (68°F), conditions are good for swimming and other water activities. You won't need a wetsuit and most people find it very comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for Gibraltar.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Gibraltar, check out our Gibraltar's climate page.
Gibraltar Temperature in September
Min Temperature
20°C (68°F)
Max Temperature
25°C (77°F)
Water Temperature
20°C (68°F) *
Chance of Rain
10%
Precipitation
38 mm (1.5 in)
Rainy days
3 days
Humidity
72% *
Sunshine
240 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Gibraltar typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 19°C (66°F) to 21°C (70°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 Gibraltar in September
Browse day-by-day weather records for Gibraltar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Gibraltar historical weather extremes in September
Our historical data for Gibraltar spans 1976 to 2025, revealing these weather extremes.
- The hottest September day on record in Gibraltar reached 35°C (95°F) (September 8, 1978).
- On September 27, 2008, Gibraltar saw its coldest September day with temperatures maxing out at 20°C (68°F).
- The coldest night in September in Gibraltar was on September 29, 1993, with a minimum of 12°C (54°F).
Best Places in Gibraltar in September
Find out more about the weather in Gibraltar and which places have the best travel conditions in this month. See all of Gibraltar in September →
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What to Wear in Gibraltar 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. Light rain is possible, so consider bringing a small umbrella or rain jacket. The water temperature sits at about 20°C (68°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Gibraltar 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 Gibraltar, check out our Gibraltar's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Gibraltar climate overview or explore weather in Gibraltar.
