Morristown Weather in September

September is one of the perfect months to visit Morristown, with daytime temperatures of 25°C (77°F) and lows of 12°C (54°F) at night. Do note that quite a bit of rainfall is typical, averaging around 96 mm (3.8 in).

Rainfall in Morristown in September

Typically, you can expect about 8 days of rain this month, with 96 mm (3.8 in) on average. 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 Morristown in September

September is one of the better months to visit Morristown. Expect 25°C (77°F) during the day and 12°C (54°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 12°C (54°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 Morristown in September

The month enjoys around 218 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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 Morristown's climate page.

Morristown Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 27%  

Precipitation 96 mm (3.8 in)  

Rainy days 8 days  

Humidity 68% *  

Sunshine 218 hours *  

Percentage Sunshine 59% *  

* Data from: New York City, the United States of America (49 KM, 30 Miles).

What to Wear in Morristown 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Morristown 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

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 Morristown's climate page.

More climate data for Morristown

Temperature Rainfall Sunshine Humidity

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