Chelmsford Weather in September

Chelmsford in September sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 12°C (54°F). Overall perfect conditions make it one of the better months to visit.

Rainfall in Chelmsford in September

Historically, approximately 12 days this month are expected to have rain, averaging 52 mm (2 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Chelmsford in September

Weather in Chelmsford is at its perfect in September. Highs reach 20°C (68°F), while nights settle around 12°C (54°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows of 12°C (54°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

The area enjoys a balanced 146 hours of sunlight, ensuring it's neither too overcast nor too sunny.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Chelmsford.

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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 Kingdom, check out our Chelmsford's climate page.

Chelmsford Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 38%  

Precipitation 52 mm (2 in)  

Rainy days 12 days  

Sunshine 146 hours  

Percentage Sunshine  

What to Wear in Chelmsford in September

For Chelmsford 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. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Chelmsford in September

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

Swimming

6/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

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 Kingdom, check out our Chelmsford's climate page.

More climate data for Chelmsford

Temperature Rainfall Sunshine

See the full Chelmsford climate overview or explore weather in the United Kingdom.