Greenwich
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Greenwich, United Kingdom

Septiembre, the first month of the autumn, in Greenwich, is still a pleasant month, with average temperature fluctuating between 20.1°C (68.2°F) and 11.2°C (52.2°F).

Temperature

In Greenwich, the average high-temperature is essentially the same as in Agosto - a still pleasant 20.1°C (68.2°F). In Greenwich, in Septiembre, the average low-temperature is 11.2°C (52.2°F).

Humidity

In Greenwich, United Kingdom, the average relative humidity is 67%.

Rainfall

In Greenwich, United Kingdom, in Septiembre, it is raining for 8.5 days, with typically 50.4mm (1.98") of accumulated precipitation. Throughout the year, in Greenwich, there are 110.4 rainfall days, and 592mm (23.31") of precipitation is accumulated.

Snowfall

In Greenwich, United Kingdom, snow does not fall in Mayo through Octubre.

Daylight

The average length of the day in Greenwich is 12.6h.

Sunshine

In Greenwich, the average sunshine in Septiembre is 4.6h.

What is the temperature in Septiembre in Greenwich?

In Septiembre, in Greenwich, United Kingdom, the average high-temperature is 20.1°C (68.2°F), and the average low-temperature is 11.2°C (52.2°F).

What is the average humidity in Septiembre in Greenwich?

The average relative humidity in Septiembre in Greenwich is 67%.

How many days does it rain in Septiembre in Greenwich?

In Greenwich, United Kingdom, in Septiembre, it is raining for 8.5 days, with typically 50.4mm (1.98") of accumulated precipitation.

When it does not snow in Greenwich?

In Greenwich snow does not fall in Mayo through Octubre.

How many hours of daylight does Greenwich have in Septiembre?

The average length of the day in Septiembre in Greenwich, United Kingdom, is 12.6h.

How long on average sun shines in Septiembre in Greenwich?

In Greenwich, the average sunshine in Septiembre is 4.6h.
Average temperature in September - Greenwich, United Kingdom
  • Average high temperature in September: 20.1°C

The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).

Average humidity in September - Greenwich, United Kingdom
  • Average humidity in September: 67%

The month with the highest relative humidity is December (82%).
Months with the lowest relative humidity are June and July (60%).

Average rainfall in September - Greenwich, United Kingdom
  • Average rainfall in September: 50.4mm

The wettest month (with the highest rainfall) is October (68.8mm).
The driest month (with the lowest rainfall) is February (38.2mm).

Average rainfall days in September - Greenwich, United Kingdom
  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is January (10.8 days).
The month with the lowest number of rainy days is August (7.6 days).

Average snowfall days in September - Greenwich, United Kingdom
  • Average snowfall days in September: 0 days

Months with the highest number of snowfall days are January and February (4 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Greenwich, 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).

  • Average sunshine in September: 4.6h

The month with most sunshine is August (Average sunshine: 6.3h).
The month with least sunshine is December (Average sunshine: 1.2h).