Southampton Weather in September

Southampton in September averages 26°C (79°F) during the day and 14°C (57°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Southampton in September

Climate statistics over the past 30 years suggest around 8 days of rain, with 96 mm (3.8 in) average for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Southampton in September

September is a good time to be in Southampton. Days are excellent, reaching 26°C (79°F), with nights around 14°C (57°F). Overall, the month follows a fairly predictable daily temperature pattern. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Southampton in September

The city usually sees around 215 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 Southampton.

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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 Southampton's climate page.

Southampton Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 27%  

Precipitation 96 mm (3.8 in)  

Rainy days 8 days  

Sunshine 215 hours *  

Percentage Sunshine 57% *  

* Data from: Trenton, the United States of America (32 KM, 20 Miles).

What to Wear in Southampton in September

Warm but pleasant conditions in Southampton 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Southampton in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Southampton's climate page.

More climate data for Southampton

Temperature Rainfall Sunshine

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