You can expect about 3 to 8 days of rain in New Castle 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 New Castle in September 2024.

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

Temperatures

24° / 12°

Rainy Days

Snowy Days

Dry Days

Rainfall

130

Sun Hours

6.7

Hrs

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

Explore the weather in New Castle in other months

New Castle annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	0° / -8°	7	4	21	126 mm	Awful	New Castle in January
February	2° / -7°	7	4	18	126 mm	Awful	New Castle in February
March	8° / -2°	9	12	10	136 mm	Awful	New Castle in March
April	14° / 4°	11	15	5	178 mm	Bad	New Castle in April
May	22° / 9°	10	21	0	172 mm	Ok	New Castle in May
June	26° / 13°	9	21	0	185 mm	Good	New Castle in June
July	28° / 16°	10	21	0	183 mm	Good	New Castle in July
August	28° / 15°	8	23	0	134 mm	Good	New Castle in August
September	24° / 12°	6	24	0	130 mm	Perfect	New Castle in September
October	17° / 6°	8	23	0	130 mm	Ok	New Castle in October
November	9° / 0°	7	16	7	105 mm	Awful	New Castle in November
December	4° / -3°	9	8	15	130 mm	Awful	New Castle in December

Temperatures in New Castle in September

Rain in New Castle in September

Weather in New Castle in September - FAQ

What is the average temperature in New Castle in September?

The average temperature in New Castle in September is 12/24° C.

What is the chance of rain in New Castle in September?

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

Weather wise, is September a good time to visit New Castle?

The weather in New Castle in September is perfect.

Can it snow in New Castle in September?

On average, there are 0 snowy days in New Castle in September.

More about the weather in New Castle