Chelmsford
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Chelmsford, United Kingdom

The first month of the autumn, September, is also an enjoyable month in Chelmsford, United Kingdom, with average temperature varying between 9.7°C (49.5°F) and 19.3°C (66.7°F).

Temperature

In September, the average high-temperature marginally drops, from an agreeable 22.7°C (72.9°F) in August, to a comfortable 19.3°C (66.7°F). In September, the average low-temperature is 9.7°C (49.5°F).

Rainfall

Throughout September, 48.6mm (1.9") of precipitation is accumulated. Throughout the year, 591.8mm (23.3") of rain is accumulated.

Daylight

In Chelmsford, United Kingdom, the average length of the day in September is 12.6h.

Sunshine

In Chelmsford, United Kingdom, the average sunshine in September is 4.9h.

What is the temperature in September in Chelmsford?

In September, in Chelmsford, United Kingdom, the average high-temperature is 19.3°C (66.7°F), and the average low-temperature is 9.7°C (49.5°F).

How much does it rain in Chelmsford in September?

Throughout September, in Chelmsford, 48.6mm (1.9") of precipitation is accumulated.

What is the average length of the day in September in Chelmsford?

The average length of the day in September in Chelmsford, United Kingdom, is 12.6h.

How long on average sun shines in September in Chelmsford?

In September, the average sunshine in Chelmsford is 4.9h.
Average temperature in September - Chelmsford, United Kingdom
  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (7.4°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (1°C).

Average rainfall in September - Chelmsford, United Kingdom
  • Average rainfall in September: 48.6mm

The wettest month (with the highest rainfall) is October (64.1mm).
The driest month (with the lowest rainfall) is February (39.2mm).

Average daylight in September / Average sunshine in September - Chelmsford, United Kingdom
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.6h).
The month with shortest days is December (Average daylight: 7.9h).

  • Average sunshine in September: 4.9h

The month with most sunshine is July (Average sunshine: 6.8h).
The month with least sunshine is December (Average sunshine: 1.5h).