Guilherand-Granges Weather in September
Guilherand-Granges in September averages 24°C (75°F) during the day and 12°C (54°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Guilherand-Granges in September
Rain is expected on roughly 9 days, totalling around 98 mm (3.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Guilherand-Granges in September
Guilherand-Granges in September has perfect weather. Days reach 24°C (75°F) and nights cool to 12°C (54°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Guilherand-Granges in September
The city usually sees around 222 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Guilherand-Granges.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit France, check out our Guilherand-Granges's climate page.
Guilherand-Granges Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
24°C (75°F)
Chance of Rain
30%
Precipitation
98 mm (3.9 in)
Rainy days
9 days
Humidity
72% *
Sunshine
222 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Guilherand-Granges typically drop from around 25°C (77°F) at the start of September to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 14°C (57°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 Guilherand-Granges in September
Browse day-by-day weather records for Guilherand-Granges spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Guilherand-Granges historical weather extremes in September
According to our 49 years of weather records for Guilherand-Granges, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Guilherand-Granges reached 35°C (95°F) (September 3, 2005).
- On September 23, 1979, Guilherand-Granges saw its coldest September day with temperatures maxing out at 11°C (52°F).
- The lowest overnight temperature recorded in September was 1°C (34°F) (September 22, 1977).
Best Places in France in September
Find out more about the weather in France and which places have the best travel conditions in this month. See all of France in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Guilherand-Granges 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Guilherand-Granges 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 France, check out our Guilherand-Granges's climate page.
Temperature Rainfall Sunshine Humidity
See the full Guilherand-Granges climate overview or explore weather in France.
