Bromley
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Bromley, United Kingdom

The first month of the autumn, September, is still a comfortable month in Bromley, United Kingdom, with average temperature ranging between max 18°C (64.4°F) and min 9°C (48.2°F).

Temperature

In September, the average high-temperature slightly decreases, from a pleasant 22°C (71.6°F) in August, to a comfortable 18°C (64.4°F). The average low-temperature, in Bromley, United Kingdom, is 9°C (48.2°F).

Rainfall

In September, the rain falls for 18 days. Throughout September, 38mm (1.5") of precipitation is accumulated. Throughout the year, in Bromley, there are 233 rainfall days, and 434mm (17.1") of precipitation is accumulated.

Daylight

In Bromley, the average length of the day in September is 12.6h.

What is the temperature in September in Bromley?

In September, the average high-temperature is 18°C (64.4°F), and the average low-temperature is 9°C (48.2°F).

How much does it rain in Bromley in September?

In Bromley, in September, it is raining for 18 days, with typically 38mm (1.5") of accumulated precipitation.

How many hours of daylight does Bromley have in September?

In Bromley, United Kingdom, the average length of the day in September is 12.6h.
Average temperature in September - Bromley, United Kingdom
  • Average high temperature in September: 18°C

Warmest months (with the highest average high temperature) are July and August (22°C).
Months with the lowest average high temperature are January and December (7°C).

  • Average low temperature in September: 9°C

Months with the highest average low temperature are July and August (12°C).
Coldest months (with the lowest average low temperature) are January, February and December (2°C).

Average rainfall in September - Bromley, United Kingdom
  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is October (48mm).
Driest months (with the lowest rainfall) are May and August (28mm).

Average rainfall days in September - Bromley, United Kingdom
  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is January (22 days).
The month with the lowest number of rainy days is June (17 days).

Average daylight in September - Bromley, United Kingdom
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 7.9h).