September weather - Autumn 2024 - Cambridge, United Kingdom

Weather in September
Frequently asked questions
Average temperature in September
Average pressure in September
Average wind speed in September
Average humidity in September
Average rainfall in September
Average rainfall days in September
Average snowfall in September
Average snowfall days in September
Average daylight in September
Average sunshine in September
Average sunshine days in September
Average UV index in September
Average cloud cover in September
Average visibility in September

A beautiful sunny day in the scenic city of Cambridge, of the United Kingdom

Weather in September

September ushers in the early signs of autumn in Cambridge while still carrying the warmth from summer. With the average high temperature dropping to around 18.5°C (65.3°F), Cambridge experiences comfortably mild days. Rainfall decreases notably, and so does the number of rainy days compared to August. While the daylight hours significantly reduce, they still provide ample opportunity for outdoor activities. With the moisture diminishing, September stands out as a transition month, bearing the last hints of summer as it paves the way for the crispness of the impending autumn.

Temperature

September's arrival brings an average high-temperature of an enjoyable 18.5°C (65.3°F), demonstrating subtle variation from the preceding month. Cambridge, during the month of September, experiences an average low-temperature of 11.5°C (52.7°F).

Humidity

The average relative humidity in September is 78%.

Rainfall

In September, in Cambridge, the rain falls for 11.5 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Cambridge, during the entire year, the rain falls for 173.6 days and collects up to 381mm (15") of precipitation.

Snowfall

In Cambridge, snow does not fall in April through October.

Daylight

In Cambridge, the average length of the day in September is 12h and 39min.
On the first day of the month, sunrise is at 6:11 am and sunset at 7:46 pm. On the last day of September, in Cambridge, sunrise is at 6:59 am and sunset at 6:38 pm BST.

Sunshine

In Cambridge, the average sunshine in September is 7.1h.

UV index

In September, the average daily maximum UV index in Cambridge is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

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Frequently asked questions

What are September temperatures in Cambridge?

In Cambridge, in September, the average high-temperature is 18.5°C (65.3°F), and the average low-temperature is 11.5°C (52.7°F).

What is the average humidity in September in Cambridge?

The average relative humidity in September in Cambridge is 78%.

How many days does it rain in September in Cambridge?

In Cambridge, in September, it is raining for 11.5 days, with typically 22mm (0.87") of accumulated precipitation.

When it does not snow in Cambridge?

April through October are months without snowfall.

How many hours of daylight does Cambridge have in September?

In Cambridge, United Kingdom, the average day length in September is 12h and 39min.

When are sunrise and sunset in September in Cambridge?

In September, on the first day of the month, sunrise is at 6:11 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:38 pm BST.

How many hours of sunshine does Cambridge have in September?

The average sunshine duration in September in Cambridge, United Kingdom, is 7.1h.

How high is the UV index in September in Cambridge?

In Cambridge, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

21.3°C 70.3°F

18.5°C 65.3°F

14.5°C 58.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14.5km/h 9mph

13.9km/h 8.6mph

16.8km/h 10.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.3

15.5

Average UV index

Average cloud cover

48%

56%

Average visibility

9km 5.6mi

Average temperature in September
Cambridge, United Kingdom

Average high temperature in September: 18.5°C

The warmest months (with the highest average high temperature) are July and August (21.3°C).
The month with the lowest average high temperature is January (5.9°C).

Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).

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Average pressure in September
Cambridge, United Kingdom

Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).

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Average wind speed in September
Cambridge, United Kingdom

Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

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Average humidity in September
Cambridge, United Kingdom

Average humidity in September: 78%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).

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Average rainfall in September
Cambridge, United Kingdom

Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is June (48mm).
The driest month (with the least rainfall) is April (20mm).

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Average rainfall days in September
Cambridge, United Kingdom

Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is September (11.5 days).

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Average snowfall in September
Cambridge, United Kingdom

Average snowfall in September: 0mm

The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Cambridge, United Kingdom

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Cambridge, United Kingdom

Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

Average sunshine in September: 7h and 1min

The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in September
Cambridge, United Kingdom

Average sunshine days in September: 15 days

The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is June (8.1 days).

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Average UV index in September
Cambridge, United Kingdom

Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Cambridge, United Kingdom

Average cloud cover in September: 48

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 48).

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Average visibility in September
Cambridge, United Kingdom

Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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September weather forecast
Cambridge, United Kingdom

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