Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Chelmsford Weather in September
September is one of the excellent months to visit Chelmsford, with daytime temperatures of 24°C (75°F) and lows of 11°C (52°F) at night. Do note that quite a bit of rainfall is typical, averaging around 90 mm (3.5 in).
Rainfall in Chelmsford in September
Typically, about 10 days will experience rainfall, with an average of 90 mm (3.5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Chelmsford in September
Chelmsford in September is worth a visit. The temperature is excellent, with 24°C (75°F) during the day and 11°C (52°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Chelmsford in September
Expect sunny days throughout the month, with an estimated 238 hours of sunshine. This makes it a pleasant time to visit Chelmsford.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Chelmsford.
Chelmsford Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
24°C (75°F)
Chance of Rain
33%
Precipitation
90 mm (3.5 in)
Rainy days
10 days
Humidity
69% *
Sunshine
238 hours *
Percentage Sunshine
63% *
* Data from: Boston, the United States of America (37 KM, 23 Miles).
Chelmsford Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chelmsford - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Chelmsford in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Chelmsford in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Chelmsford 3-Day Forecast
More climate data for Chelmsford
Temperature Rainfall Sunshine Humidity
See the full Chelmsford climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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