Weather in Riga in September 2017

Expect 16°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Riga in September. Check more long-term weather averages for Riga in September before you book your next holiday to Latvia in 2017.

Key weather averages for Riga in September

  • 16°C maximum daytime temperature in September in Riga16
    16°C max day temperature
  • 5 hours of sunshine per day (40% of daylight hours) in September in Riga5
    5 hours of sunshine per day
  • 16 days with some rainfall in September in Riga16
    16 days with some rainfall
  • 8°C minimum night-time temperature in September in Riga8
    8°C min night temperature
  • 13 hours of daylight per day in September in Riga13
    13 hours of daylight per day
  • No heat & humidity in September in Riga0
    No heat & humidity
  • 73 mm monthly rainfall in September in Riga73
    73 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Riga3
    3 (Moderate) UV index
  • 15°C sea temperature in September in Riga15
    15°C sea temperature

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

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

  • Search Momondo for cheap flights to Latvia
  • Find the best prices & flight routes from top airlines
  • Compare leading flight offers before booking online

More about Riga

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

Guide to Riga weather in September

The average maximum daytime temperature in Riga in September is a comfortable 16°C (61°F). The average night-time temperature is usually a cool 8°C (46°F). There are usually 5 hours of bright sunshine each day, which represents 40% of the 13 hours of daylight.

Expect 73mm (2.9 inches) of rainfall across the whole of September with 16 days with some rain falling. Maximum UV levels will be moderate (3 UV index) at midday when the skies are clear.

The average sea temperature in and around Riga in September is 15°C (59°F).

The weather in Riga in September is represented by Riga.

Riga sunrise & sunset times for September 2017

Browse the sunrise & sunset times for Riga in September 2017. Select a month to view Riga sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Friday, 1st September 2017 06:26 20:20
Saturday, 2nd September 2017 06:28 20:17
Sunday, 3rd September 2017 06:30 20:15
Monday, 4th September 2017 06:32 20:12
Tuesday, 5th September 2017 06:34 20:09
Wednesday, 6th September 2017 06:36 20:06
Thursday, 7th September 2017 06:38 20:04
Friday, 8th September 2017 06:40 20:01
Saturday, 9th September 2017 06:42 19:58
Sunday, 10th September 2017 06:44 19:56
Monday, 11th September 2017 06:46 19:53
Tuesday, 12th September 2017 06:48 19:50
Wednesday, 13th September 2017 06:50 19:47
Thursday, 14th September 2017 06:52 19:45
Friday, 15th September 2017 06:54 19:42
Saturday, 16th September 2017 06:56 19:39
Sunday, 17th September 2017 06:59 19:36
Monday, 18th September 2017 07:01 19:34
Tuesday, 19th September 2017 07:03 19:31
Wednesday, 20th September 2017 07:05 19:28
Thursday, 21st September 2017 07:07 19:25
Friday, 22nd September 2017 07:09 19:23
Saturday, 23rd September 2017 07:11 19:20
Sunday, 24th September 2017 07:13 19:17
Monday, 25th September 2017 07:15 19:14
Tuesday, 26th September 2017 07:17 19:12
Wednesday, 27th September 2017 07:19 19:09
Thursday, 28th September 2017 07:21 19:06
Friday, 29th September 2017 07:23 19:04
Saturday, 30th September 2017 07:25 19:01
  • Save on flights to Europe from £30 (one-way) in the BA sale
  • Book BA flights + hotel/car hire for holidays in 2017/2018
  • Destinations include Rome, Venice, Alicante & Malaga

Expires at 23:59 on Tuesday 19th September 2017 · View all British Airways offers

Back to top

Riga weather by month

Check Riga 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.

Back to top

More Latvia destinations

All destinations (A to Z)

Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  

More destinations

Related posts

Popular travel offers

Top ^