San Luis Obispo weather in September
Warm and pleasant, and mostly sunny skies. Average highs of 26°C and lows of 15°C, with around 1 rainy day expected throughout the month.
✦ This is a recommended month to visit San Luis Obispo. The combination of weather, atmosphere and experience is at its best.
Average high
26°C
Average low
15°C
Rainy days
1 days
Best months to visit
May, June, July, August, September, October
What to do in San Luis Obispo in September
Whatever the weather, San Luis Obispo rewards curious visitors. Here are some of the best ways to spend your time:
Explore the Central Coast's wine regions on wine tours
Stroll the Thursday Night Farmers' Market on the plaza
Tour the Spanish Mission San Luis Obispo de Tolosa
Hike Bishop Peak Trail for valley views
Paddleboard Avila Beach calm waters
Sample local wines at downtown tasting rooms
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
18C
Mild and comfortable, with occasional showers.
February
18C
Mild and comfortable, with occasional showers.
March
18C
Mild and comfortable, with occasional showers.
April
20C
Mild and comfortable, and mostly sunny skies.
Recommended
May
21C
Mild and comfortable, and mostly sunny skies.
Recommended
June
24C
Mild and comfortable, and mostly sunny skies.
Recommended
July
25C
Warm and pleasant, and mostly sunny skies.
Recommended
August
26C
Warm and pleasant, and mostly sunny skies.
Recommended
September (you are here)
26C
Warm and pleasant, and mostly sunny skies.
Recommended
October
25C
Warm and pleasant, and mostly sunny skies.
November
21C
Mild and comfortable, and mostly sunny skies.
December
17C
Cool, with occasional showers.
Book your September trip to San Luis Obispo
Find hotels, tours and experiences for the perfect escape.
