September weather forecast
Bicester, United Kingdom

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Weather in September

The first month of the autumn, September, is also an enjoyable month in Bicester, United Kingdom, with an average temperature varying between 9.9°C (49.8°F) and 17.7°C (63.9°F).

Temperature

At the start of September, Bicester's average high-temperature reaches an enjoyable 17.7°C (63.9°F), subtly different from the preceding month. During the nights in September, an average low-temperature of 9.9°C (49.8°F) is observed in Bicester.

Humidity

The average relative humidity in September is 82%.

Rainfall

September is the month with the least rainfall in Bicester. Rain falls for 10.3 days and accumulates 25mm (0.98") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Bicester, the average length of the day in September is 12h and 39min.
On the first day of the month, sunrise is at 6:17 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:44 pm BST.

Sunshine

The average sunshine in September in Bicester is 6.8h.

UV index

May through September, with an average maximum UV index of 4, are months with the highest UV index in Bicester. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What are the temperatures in Bicester in September?

The average high-temperature, in September, in Bicester, is 17.7°C (63.9°F), while the average low-temperature is 9.9°C (49.8°F).

What is the average humidity in September in Bicester?

The average relative humidity in September in Bicester is 82%.

What is the driest month in Bicester?

September is the month with the least rainfall. Rain falls for 10.3 days and accumulates 25mm (0.98") of precipitation.

How much does it rain in Bicester in September?

In September, in Bicester, United Kingdom, the rain falls for 10.3 days. Throughout September, 25mm (0.98") of precipitation is accumulated.

When it does not snow in Bicester?

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

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

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

What time are sunrise and sunset in September in Bicester?

In September, on the first day of the month, sunrise is at 6:17 am and sunset at 7:51 pm. On the last day of the month, in Bicester, United Kingdom, sunrise is at 7:04 am and sunset at 6:44 pm BST.

How long on average sun shines in September in Bicester?

In Bicester, United Kingdom, the average sunshine duration in September is 6.8h.

What are the months with the highest UV index in Bicester?

The months with the highest UV index in Bicester, United Kingdom, are May through September, with an average maximum UV index of 4.

What is the UV index reading in September in Bicester?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bicester, United Kingdom

Average temperature in September - Bicester, United Kingdom
  • Average high temperature in September: 17.7°C

The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).

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Average pressure in September
Bicester, United Kingdom

Average pressure in September - Bicester, United Kingdom
  • Average pressure in September: 1016.6mbar

The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).

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Average wind speed in September
Bicester, United Kingdom

Average wind speed in September - Bicester, United Kingdom
  • Average wind speed in September: 13.2km/h

The windiest months (with the highest average wind speed) are February and December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).

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Average humidity in September
Bicester, United Kingdom

Average humidity in September - Bicester, United Kingdom
  • Average humidity in September: 82%

The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).

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Average rainfall in September
Bicester, United Kingdom

Average rainfall in September - Bicester, United Kingdom
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is September (25mm).

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Average rainfall days in September
Bicester, United Kingdom

Average rainfall days in September - Bicester, United Kingdom
  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is September (10.3 days).

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Average snowfall in September
Bicester, United Kingdom

Average snowfall in September - Bicester, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (28mm).
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
Bicester, United Kingdom

Average snowfall days in September - Bicester, 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
Bicester, United Kingdom

Average daylight in September / Average sunshine in September - Bicester, United Kingdom
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is July (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in September
Bicester, United Kingdom

Average sunshine days in September - Bicester, United Kingdom
  • Average sunshine days in September: 17.4 days

The month with the most sunshine days is September (17.4 days).
The months with the least sunshine days are June and July (11.6 days).

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Average UV index in September
Bicester, United Kingdom

Average UV index in September - Bicester, United Kingdom
  • Average UV index in September: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
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
Bicester, United Kingdom

Average cloud cover in September - Bicester, United Kingdom
  • Average cloud cover in September: 52

The month with the most cloud cover is November (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 52).

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Average visibility in September
Bicester, United Kingdom

Average visibility in September - Bicester, United Kingdom
  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, May, July, August, October and December (9km).
The months with the lowest visibility are April, June, September and November (8km).

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Bicester, United Kingdom

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