TromsoNorway · Europe · September

September climate

CityAdventure

September in Tromso

Norway · Europe

Cool days.

Some tradeoffs

Early to mid

Daytime high

54°F

Lows around 45°F

Rain

Rain most days

Sun

3 h/day

Air feel

Very dry

When to visit

Month-by-month fit

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Temperature

Cool by day, cold at night.

54°Ftypical September high

Typical range

Precipitation

It rains on most days. About 18 wet days, the highest monthly average.

60%wet-day frequency

Precip amountWet-day chanceSnowfall

Sunshine

Sunshine is limited, with cloud often dominating.

3.1 hSeptember sunshine

Heat & humidity by month

Humidity is rarely noticeable in the cool air.

Very drySeptember Heat feel

Easy airWarm airHumid air

Hourly temperature pattern

In September, afternoons feel about 48° and nights feel near 42°.

FrigidFreezingVery coldColdCoolNight hours

Clear sky

Mostly cloudy skies this month.

22%September Clear sky

Clear skyCloud

Wind pattern

Calm winds are typical in September.

6 mphSeptember Calm

More detailIncludes daypart comfort

Typical September day

September late afternoons are around 53°F, easing to about 50°F in early evening.

Avg temp Typical range

Morning49°F

Rain39%

Cloud79%

Humid airLow

Sun intensityMinimal

Midday53°F

Rain43%

Cloud78%

Humid airLow

Sun intensityLow

Late afternoon53°F

Rain41%

Cloud78%

Humid airLow

Sun intensityMinimal

Early evening50°F

Rain37%

Cloud76%

Humid airLow

Sun intensityMinimal

Best window

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	27	17	4.2	15	0.0	78
Feb	28	18	3.9	14	1.1	77
Mar	33	22	4.2	16	3.6	76
Apr	40	29	3.6	16	5.3	75
May	49	39	3.7	17	7.0	72
Jun	56	46	3.7	16	7.4	75
Jul	62	52	3.5	14	6.6	78
Aug	61	50	4.2	16	5.4	80
Sep	54	45	5.0	18	3.1	81
Oct	43	36	4.8	17	1.6	82
Nov	35	27	3.7	15	0.2	80
Dec	30	20	3.9	15	0.0	78

Similar climates

Want a side-by-side climate view? Compare Tromso with Reykjavík.

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

4.2

0.0

Feb

3.9

1.1

Mar

4.2

3.6

Apr

3.6

5.3

May

3.7

7.0

Jun

3.7

7.4

Jul

3.5

6.6

Aug

4.2

5.4

Sep

5.0

3.1

Oct

4.8

1.6

Nov

3.7

0.2

Dec

3.9

0.0

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	27	17	4.2	15	0.0	78
Feb	28	18	3.9	14	1.1	77
Mar	33	22	4.2	16	3.6	76
Apr	40	29	3.6	16	5.3	75
May	49	39	3.7	17	7.0	72
Jun	56	46	3.7	16	7.4	75
Jul	62	52	3.5	14	6.6	78
Aug	61	50	4.2	16	5.4	80
Sep	54	45	5.0	18	3.1	81
Oct	43	36	4.8	17	1.6	82
Nov	35	27	3.7	15	0.2	80
Dec	30	20	3.9	15	0.0	78

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	27	17	4.2	15	0.0	78
Feb	28	18	3.9	14	1.1	77
Mar	33	22	4.2	16	3.6	76
Apr	40	29	3.6	16	5.3	75
May	49	39	3.7	17	7.0	72
Jun	56	46	3.7	16	7.4	75
Jul	62	52	3.5	14	6.6	78
Aug	61	50	4.2	16	5.4	80
Sep	54	45	5.0	18	3.1	81
Oct	43	36	4.8	17	1.6	82
Nov	35	27	3.7	15	0.2	80
Dec	30	20	3.9	15	0.0	78

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	27	17	4.2	15	0.0	78
Feb	28	18	3.9	14	1.1	77
Mar	33	22	4.2	16	3.6	76
Apr	40	29	3.6	16	5.3	75
May	49	39	3.7	17	7.0	72
Jun	56	46	3.7	16	7.4	75
Jul	62	52	3.5	14	6.6	78
Aug	61	50	4.2	16	5.4	80
Sep	54	45	5.0	18	3.1	81
Oct	43	36	4.8	17	1.6	82
Nov	35	27	3.7	15	0.2	80
Dec	30	20	3.9	15	0.0	78

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	27	17	4.2	15	0.0	78
Feb	28	18	3.9	14	1.1	77
Mar	33	22	4.2	16	3.6	76
Apr	40	29	3.6	16	5.3	75
May	49	39	3.7	17	7.0	72
Jun	56	46	3.7	16	7.4	75
Jul	62	52	3.5	14	6.6	78
Aug	61	50	4.2	16	5.4	80
Sep	54	45	5.0	18	3.1	81
Oct	43	36	4.8	17	1.6	82
Nov	35	27	3.7	15	0.2	80
Dec	30	20	3.9	15	0.0	78

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	27	17	4.2	15	0.0	78
Feb	28	18	3.9	14	1.1	77
Mar	33	22	4.2	16	3.6	76
Apr	40	29	3.6	16	5.3	75
May	49	39	3.7	17	7.0	72
Jun	56	46	3.7	16	7.4	75
Jul	62	52	3.5	14	6.6	78
Aug	61	50	4.2	16	5.4	80
Sep	54	45	5.0	18	3.1	81
Oct	43	36	4.8	17	1.6	82
Nov	35	27	3.7	15	0.2	80
Dec	30	20	3.9	15	0.0	78

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	27	17	4.2	15	0.0	78
Feb	28	18	3.9	14	1.1	77
Mar	33	22	4.2	16	3.6	76
Apr	40	29	3.6	16	5.3	75
May	49	39	3.7	17	7.0	72
Jun	56	46	3.7	16	7.4	75
Jul	62	52	3.5	14	6.6	78
Aug	61	50	4.2	16	5.4	80
Sep	54	45	5.0	18	3.1	81
Oct	43	36	4.8	17	1.6	82
Nov	35	27	3.7	15	0.2	80
Dec	30	20	3.9	15	0.0	78