Saint Johnsbury Weather in September

With daytime temperatures of 21°C (70°F) and nighttime lows of 9°C (48°F), September in Saint Johnsbury brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 85 mm (3.3 in) falls on average.

Rainfall in Saint Johnsbury in September

Rain is expected on roughly 12 days, totalling around 85 mm (3.3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Saint Johnsbury in September

September in Saint Johnsbury is generally perfect, with days reaching 21°C (70°F) and nights settling around 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Saint Johnsbury.

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• January
• February
• March
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• 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 Saint Johnsbury's climate page.

Saint Johnsbury Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 40%  

Precipitation 85 mm (3.3 in)  

Rainy days 12 days  

What to Wear in Saint Johnsbury 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.

What To Do in Saint Johnsbury in September

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

Cycling

9/10

Walking

9/10

Camping

4/10

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 Saint Johnsbury's climate page.

More climate data for Saint Johnsbury

Temperature Rainfall

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