Portland weather in September 2024

The temperatures in Portland in September are comfortable with low of 11°C and and high up to 23°C.

You can expect about 3 to 8 days of rain in Portland during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Portland in September 2024.

If you’re planning to visit Portland in the near future, we highly recommend that you review the 14 day weather forecast for Portland before you arrive.

Temperatures

23° / 11°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

10.4

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
1 29° /15°	2 31° /15°	3 30° /16°	4 29° /15°	5 29° /15°	6 30° /14°	7 30° /16°
8 27° /15°	9 28° /14°	10 30° /17°	11 28° /15°	12 29° /15°	13 25° /14°	14 26° /13°
15 25° /14°	16 24° /13°	17 20° /13°	18 21° /14°	19 21° /12°	20 22° /13°	21 25° /13°
22 24° /13°	23 20° /12°	24 23° /13°	25 23° /13°	26 23° /14°	27 19° /13°	28 19° /11°
29 19° /11°	30 22° /11°

Explore the weather in Portland in other months

Portland annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	8° / 2°	13	16	2	263 mm	Awful	Portland in January
February	8° / 2°	11	13	4	201 mm	Awful	Portland in February
March	11° / 3°	13	16	2	217 mm	Awful	Portland in March
April	14° / 4°	9	20	1	154 mm	Ok	Portland in April
May	19° / 6°	6	25	0	98 mm	Good	Portland in May
June	22° / 9°	4	26	0	84 mm	Good	Portland in June
July	27° / 11°	1	30	0	14 mm	Perfect	Portland in July
August	27° / 12°	1	30	0	20 mm	Perfect	Portland in August
September	23° / 11°	4	26	0	95 mm	Perfect	Portland in September
October	16° / 8°	9	22	0	201 mm	Ok	Portland in October
November	10° / 4°	13	17	1	222 mm	Bad	Portland in November
December	7° / 1°	12	17	2	261 mm	Awful	Portland in December