Weather in Riga in September

General weather information about Riga

Average annual temperature is 3.8 °C

Absolute maximum temperature: 29.5 °C

Absolute minimum temperature: -35.3 °C

Number of sunny days: 141 days

Number of rainy days: 157 days

Number of snow days: 67 days

Look at detailed online map of Riga

* Weather data for Riga Russia is based on climate observations for 2026 year

Riga air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	-0.9	0.5	6.0	19.6	27.9	24.8	29.5	27.8	22.5	19.0	7.8	1.1
Average daytime temperature (°C)	-9.3	-6.6	0.9	11.3	17.5	17.9	22.2	21.0	17.7	5.6	-0.9	-10.4
Average temperature (°C)	-11.5	-8.7	-2.4	5.5	12.6	13.5	18.0	16.4	12.9	3.3	-2.9	-12.5
Average night temperature (°C)	-13.9	-11.1	-6.0	-0.5	6.4	7.6	12.9	11.5	7.9	1.1	-5.3	-14.6
Absolute minimum temperature (°C)	-35.3	-19.8	-15.2	-7.0	-1.5	2.1	9.3	4.6	4.5	-5.3	-15.4	-35.0

Riga monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	13.0	15.0	17.0	18.0	18.0	16.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	7.2	9.3	11.8	14.4	16.8	18.2	17.5	15.4	12.8	10.3	7.9	6.5
Daylight minimum duration (h)	6.0	8.0	10.0	13.0	15.0	17.0	16.0	14.0	11.0	9.0	6.0	6.0
Sunshine mean duration (h)	1.6	2.7	5.0	10.5	10.8	13.3	11.8	11.7	9.4	2.7	1.4	0.9
Precipitation (mm)	26	23	65	25	69	41	121	30	16	65	59	53
Sunny days	14	14	7	21	9	12	8	16	19	6	8	7
Rainy days	3	0	16	9	21	18	23	15	11	19	14	8
Snow days	14	14	8	0	1	0	0	0	0	6	8	16

Riga - weather forecast by months

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Best time to visit Riga:

The best time to visit Riga during the most sunny months:

April — 10.5(h)
May — 10.8(h)
June — 13.3(h)
July — 11.8(h)
August — 11.7(h)
September — 9.4(h)

Months with the longest average daylight duration in Riga:

May — 16.8(h)
June — 18.2(h)
July — 17.5(h)

The largest precipitation sum in Riga is at

March — 65(mm)

May — 69(mm)

July — 121(mm)

October — 65(mm)

Weather forecast in the closest to Riga admin centers

Weather forecast in the closest towns to Riga