Weather in Brussels in September 2018

Expect 20°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Brussels in September. Check more long-term weather averages for Brussels in September before you book your next holiday to Belgium in 2018.

Key weather averages for Brussels in September

  • 20°C maximum daytime temperature in September in Brussels20
    20°C max day temperature
  • 6 hours of sunshine per day (44% of daylight hours) in September in Brussels6
    6 hours of sunshine per day
  • 16 days with some rainfall in September in Brussels16
    16 days with some rainfall
  • 11°C minimum night-time temperature in September in Brussels11
    11°C min night temperature
  • 13 hours of daylight per day in September in Brussels13
    13 hours of daylight per day
  • No heat & humidity in September in Brussels0
    No heat & humidity
  • 60 mm monthly rainfall in September in Brussels60
    60 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Brussels4
    4 (Moderate) UV index

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Brussels

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Guide to Brussels weather in September

The average maximum daytime temperature in Brussels in September is a comfortable 20°C (68°F). The average night-time temperature is usually a cool 11°C (52°F). There are usually 6 hours of bright sunshine each day, which represents 44% of the 13 hours of daylight.

Expect 60mm (2.4 inches) of rainfall across the whole of September with 16 days with some rain falling. Maximum UV levels will be moderate (4 UV index) at midday when the skies are clear.

The weather in Brussels in September is represented by Brussels.

Brussels sunrise & sunset times for September 2018

Browse the sunrise & sunset times for Brussels in September 2018. Select a month to view Brussels sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st September 2018 06:56 20:28
Sunday, 2nd September 2018 06:58 20:26
Monday, 3rd September 2018 06:59 20:24
Tuesday, 4th September 2018 07:01 20:22
Wednesday, 5th September 2018 07:02 20:19
Thursday, 6th September 2018 07:04 20:17
Friday, 7th September 2018 07:05 20:15
Saturday, 8th September 2018 07:07 20:13
Sunday, 9th September 2018 07:08 20:10
Monday, 10th September 2018 07:10 20:08
Tuesday, 11th September 2018 07:11 20:06
Wednesday, 12th September 2018 07:13 20:04
Thursday, 13th September 2018 07:15 20:02
Friday, 14th September 2018 07:16 19:59
Saturday, 15th September 2018 07:18 19:57
Sunday, 16th September 2018 07:19 19:55
Monday, 17th September 2018 07:21 19:53
Tuesday, 18th September 2018 07:22 19:50
Wednesday, 19th September 2018 07:24 19:48
Thursday, 20th September 2018 07:25 19:46
Friday, 21st September 2018 07:27 19:43
Saturday, 22nd September 2018 07:29 19:41
Sunday, 23rd September 2018 07:30 19:39
Monday, 24th September 2018 07:32 19:37
Tuesday, 25th September 2018 07:33 19:34
Wednesday, 26th September 2018 07:35 19:32
Thursday, 27th September 2018 07:36 19:30
Friday, 28th September 2018 07:38 19:28
Saturday, 29th September 2018 07:40 19:25
Sunday, 30th September 2018 07:41 19:23
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Check Brussels weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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