RigaLatvia · Europe · September

September climate

CityCulture

September in Riga

Latvia · Europe

Cool days.

One of the best months here

Daytime high

62°F

Lows around 51°F

Rain

Several rainy days

Sun

5 h/day

Air feel

Very dry

When to visit

Month-by-month fit

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Temperature

Cool by day, brisk at night.

62°Ftypical September high

Typical range

Precipitation

Several rainy days, with mixed-length spells. About 11 wet days this month.

37%wet-day frequency

Precip amountWet-day chanceSnowfall

Sunshine

A mix of sunshine and cloud.

5.1 hSeptember sunshine

Heat & humidity by month

Very drySeptember Heat feel

Easy airWarm airHumid air

Hourly temperature pattern

In September, afternoons feel about 56° and nights feel near 48°.

FrigidFreezingVery coldColdCoolComfortableNight hours

Clear sky

Mostly cloudy skies this month.

37%September Clear sky

Clear skyCloud

Wind pattern

Breezy conditions are typical in September. More a comfort consideration than a planning concern.

10 mphSeptember Breezy

More detailIncludes daypart comfort

Typical September day

September late afternoons are around 62°F, easing to about 59°F in early evening.

Avg temp Typical range

Morning55°F

Rain19%

Cloud65%

Humid airLow

Sun intensityLow

Midday60°F

Rain21%

Cloud66%

Humid airLow

Sun intensityModerate

Late afternoon61°F

Rain19%

Cloud65%

Humid airLow

Sun intensityLow

Early evening59°F

Rain17%

Cloud61%

Humid airLow

Sun intensityMinimal

Best window

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	31	25	1.9	12	1.0	87
Feb	31	24	1.5	10	2.2	84
Mar	38	28	1.4	10	4.1	79
Apr	49	36	1.6	9	6.1	74
May	59	45	2.1	10	8.5	72
Jun	66	54	2.9	11	9.6	74
Jul	71	59	3.2	13	8.5	76
Aug	70	58	3.3	13	7.4	77
Sep	62	51	2.5	11	5.1	79
Oct	51	43	3.3	15	3.0	83
Nov	41	36	2.4	14	1.3	87
Dec	34	29	2.0	13	0.8	87

Similar climates

Want a side-by-side climate view? Compare Riga with Helsinki.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Jan

1.9

1.0

Feb

1.5

2.2

Mar

1.4

4.1

Apr

1.6

6.1

May

2.1

8.5

Jun

2.9

9.6

Jul

3.2

8.5

Aug

3.3

7.4

Sep

2.5

5.1

Oct

3.3

3.0

Nov

2.4

1.3

Dec

2.0

0.8

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	31	25	1.9	12	1.0	87
Feb	31	24	1.5	10	2.2	84
Mar	38	28	1.4	10	4.1	79
Apr	49	36	1.6	9	6.1	74
May	59	45	2.1	10	8.5	72
Jun	66	54	2.9	11	9.6	74
Jul	71	59	3.2	13	8.5	76
Aug	70	58	3.3	13	7.4	77
Sep	62	51	2.5	11	5.1	79
Oct	51	43	3.3	15	3.0	83
Nov	41	36	2.4	14	1.3	87
Dec	34	29	2.0	13	0.8	87

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	31	25	1.9	12	1.0	87
Feb	31	24	1.5	10	2.2	84
Mar	38	28	1.4	10	4.1	79
Apr	49	36	1.6	9	6.1	74
May	59	45	2.1	10	8.5	72
Jun	66	54	2.9	11	9.6	74
Jul	71	59	3.2	13	8.5	76
Aug	70	58	3.3	13	7.4	77
Sep	62	51	2.5	11	5.1	79
Oct	51	43	3.3	15	3.0	83
Nov	41	36	2.4	14	1.3	87
Dec	34	29	2.0	13	0.8	87

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	31	25	1.9	12	1.0	87
Feb	31	24	1.5	10	2.2	84
Mar	38	28	1.4	10	4.1	79
Apr	49	36	1.6	9	6.1	74
May	59	45	2.1	10	8.5	72
Jun	66	54	2.9	11	9.6	74
Jul	71	59	3.2	13	8.5	76
Aug	70	58	3.3	13	7.4	77
Sep	62	51	2.5	11	5.1	79
Oct	51	43	3.3	15	3.0	83
Nov	41	36	2.4	14	1.3	87
Dec	34	29	2.0	13	0.8	87

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	31	25	1.9	12	1.0	87
Feb	31	24	1.5	10	2.2	84
Mar	38	28	1.4	10	4.1	79
Apr	49	36	1.6	9	6.1	74
May	59	45	2.1	10	8.5	72
Jun	66	54	2.9	11	9.6	74
Jul	71	59	3.2	13	8.5	76
Aug	70	58	3.3	13	7.4	77
Sep	62	51	2.5	11	5.1	79
Oct	51	43	3.3	15	3.0	83
Nov	41	36	2.4	14	1.3	87
Dec	34	29	2.0	13	0.8	87

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	31	25	1.9	12	1.0	87
Feb	31	24	1.5	10	2.2	84
Mar	38	28	1.4	10	4.1	79
Apr	49	36	1.6	9	6.1	74
May	59	45	2.1	10	8.5	72
Jun	66	54	2.9	11	9.6	74
Jul	71	59	3.2	13	8.5	76
Aug	70	58	3.3	13	7.4	77
Sep	62	51	2.5	11	5.1	79
Oct	51	43	3.3	15	3.0	83
Nov	41	36	2.4	14	1.3	87
Dec	34	29	2.0	13	0.8	87

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	31	25	1.9	12	1.0	87
Feb	31	24	1.5	10	2.2	84
Mar	38	28	1.4	10	4.1	79
Apr	49	36	1.6	9	6.1	74
May	59	45	2.1	10	8.5	72
Jun	66	54	2.9	11	9.6	74
Jul	71	59	3.2	13	8.5	76
Aug	70	58	3.3	13	7.4	77
Sep	62	51	2.5	11	5.1	79
Oct	51	43	3.3	15	3.0	83
Nov	41	36	2.4	14	1.3	87
Dec	34	29	2.0	13	0.8	87