Imperial Beach Weather in September

During September, Imperial Beach experiences high daytime temperatures of 25°C (77°F) and cooler nights around 17°C (63°F). Rainfall is low, averaging just 3 mm (0.1 in) for the month.

Rainfall in Imperial Beach in September

Typically around a single day of rainfall are expected, averaging 3 mm (0.1 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Imperial Beach in September

September is a good time to be in Imperial Beach. Days are excellent, reaching 25°C (77°F), with nights around 17°C (63°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. It's the warmest month of the year on average, so summer clothing is the way to go.

Sunshine in Imperial Beach in September

Expect sunny days throughout the month, with an estimated 272 hours of sunshine. This makes it a pleasant time to visit Imperial Beach.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Imperial Beach's climate page.

Imperial Beach Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 3%  

Precipitation 3 mm (0.1 in)  

Rainy days a single day  

Humidity 79% *  

Sunshine 272 hours *  

Percentage Sunshine 73% *  

* Data from: Tijuana, Mexico (9 KM, 5 Miles).

What to Wear in Imperial Beach in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Imperial Beach in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Imperial Beach's climate page.

More climate data for Imperial Beach

Temperature Rainfall Sunshine Humidity

See the full Imperial Beach climate overview or explore weather in the United States of America.