Northampton Weather in September

September in Northampton averages 24°C (75°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 106 mm (4.2 in) on average. An umbrella is a good idea.

Rainfall in Northampton in September

Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 106 mm (4.2 in) on average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Northampton in September

In September, Northampton gets high temperatures, with highs of 24°C (75°F). Nights cool to around 11°C (52°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 11°C (52°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.

Sunshine in Northampton in September

The days are predominantly sunny, with an estimated total of around 223 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Northampton.

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• January
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• March
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• May
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• October
• November
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For a detailed overview over the year and the best time to visit the United States of America, check out our Northampton's climate page.

Northampton Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 30%  

Precipitation 106 mm (4.2 in)  

Rainy days 9 days  

Humidity 73% *  

Sunshine 223 hours *  

Percentage Sunshine 60% *  

* Data from: Springfield, the United States of America (24 KM, 15 Miles).

What to Wear in Northampton in September

For Northampton in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Northampton in September

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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 Northampton's climate page.

More climate data for Northampton

Temperature Rainfall Sunshine Humidity

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