Westport weather in September 2025

The temperatures in Westport in September are comfortable with low of 17°C and and high up to 24°C.

You can expect about 3 to 8 days of rain in Westport 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 Westport in September 2025.

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

Temperatures

24° / 17°

Rainy Days

Snowy Days

Dry Days

Rainfall

140

Sun Hours

7.4

Hrs

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

Explore the weather in Westport in other months

Westport annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	2° / -3°	6	17	8	118 mm	Awful	Westport in January
February	3° / -3°	7	12	10	135 mm	Awful	Westport in February
March	7° / 1°	8	17	6	145 mm	Awful	Westport in March
April	13° / 6°	8	21	1	145 mm	Bad	Westport in April
May	19° / 12°	8	23	0	153 mm	Ok	Westport in May
June	24° / 17°	8	22	0	166 mm	Good	Westport in June
July	28° / 20°	9	22	0	208 mm	Good	Westport in July
August	28° / 20°	7	24	0	190 mm	Good	Westport in August
September	24° / 17°	6	24	0	140 mm	Perfect	Westport in September
October	18° / 11°	6	25	0	162 mm	Good	Westport in October
November	11° / 5°	6	23	1	105 mm	Ok	Westport in November
December	6° / 1°	7	18	5	164 mm	Awful	Westport in December

Temperatures in Westport in September

Rain in Westport in September

Weather in Westport in September - FAQ

What is the average temperature in Westport in September?

The average temperature in Westport in September is 17/24° C.

What is the chance of rain in Westport in September?

On average, there are 6 rainy days in Westport during September.

Weather wise, is September a good time to visit Westport?

The weather in Westport in September is perfect.

Can it snow in Westport in September?

On average, there are 0 snowy days in Westport in September.

More about the weather in Westport