Glastonbury Weather in September

September in Glastonbury brings high temperatures, with highs of 25°C (77°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 85 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Glastonbury in September

You can expect rain on around 8 days based on historical patterns, with 85 mm (3.3 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Glastonbury in September

Weather in Glastonbury is at its perfect in September. Highs reach 25°C (77°F), while nights settle around 14°C (57°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Glastonbury in September

Expect a lot of sunshine this month, with about 223 hours of sun. These sunny conditions add to the overall experience.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and September typically offer the best weather for Glastonbury.

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• January
• February
• March
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• May
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• July
• August

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• October
• November
• December

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

Glastonbury Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 85 mm (3.3 in)  

Rainy days 8 days  

Humidity 72% *  

Sunshine 223 hours *  

Percentage Sunshine 60% *  

* Data from: Hartford, the United States of America (8 KM, 5 Miles).

What to Wear in Glastonbury in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Glastonbury 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

Barbeque

8/10

Camping

8/10

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 Glastonbury's climate page.

More climate data for Glastonbury

Temperature Rainfall Sunshine Humidity

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