La Mesa Weather in September
September is one of the excellent months to visit La Mesa, with daytime temperatures of 30°C (86°F) and lows of 17°C (63°F) at night. Rainfall is minimal, averaging just 4.2 mm (0.2 in) for the month.
Rainfall in La Mesa in September
Historically, September sees about a single day of rain, with a monthly average of 4.2 mm (0.2 in). On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in La Mesa in September
September is a excellent month in La Mesa, with 30°C (86°F) during the day and 17°C (63°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 17°C (63°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in La Mesa in September
The days are predominantly sunny, with an estimated total of around 253 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit La Mesa. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our La Mesa's climate page.
La Mesa Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
30°C (86°F)
Chance of Rain
3%
Precipitation
4.2 mm (0.2 in)
Rainy days
a single day
Humidity
74% *
Sunshine
253 hours *
Percentage Sunshine
68% *
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in La Mesa in September
Warm but pleasant conditions in La Mesa in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in La Mesa 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 States of America, check out our La Mesa's climate page.
Temperature Rainfall Sunshine Humidity
See the full La Mesa climate overview or explore weather in the United States of America.
