Weather outlook for September 2025

Northamptonshire weather in September 2025

The temperatures in Northamptonshire in September are usually low and can range between 11°C and 19°C.

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

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

Temperatures
Temperatures
19° / 11°
Rainy Days
Rainy Days
3
Snowy Days
Snowy Days
0
Dry Days
Dry Days
27
Rainfall
Rainfall
39
mm
8.6
Sun Hours
8.6
Hrs

Northamptonshire annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 6° / 1° 6 21 4 47 mm
Awful
February 7° / 2° 7 16 5 48 mm
Bad
March 10° / 3° 5 25 1 44 mm
Ok
April 13° / 4° 4 26 0 41 mm
Ok
May 16° / 7° 5 26 0 66 mm
Good
June 19° / 10° 5 25 0 75 mm
Good
July 21° / 12° 5 26 0 73 mm
Good
August 21° / 13° 5 26 0 72 mm
Good
September 19° / 11° 3 27 0 39 mm
Good
October 14° / 8° 5 26 0 58 mm
Good
November 10° / 5° 6 23 1 52 mm
Ok
December 7° / 3° 6 22 2 60 mm
Bad
Temperatures in Northamptonshire in September
Rain in Northamptonshire in September

Recommended Hotels in Northamptonshire

We know that finding the ideal hotel in Northamptonshire can be a hard task...

That’s why we run our special tools and found the best hotels in Northamptonshire. Click on hotel for more details.

Weather in Northamptonshire in September - FAQ

What is the average temperature in Northamptonshire in September?
The average temperature in Northamptonshire in September is 11/19° C.
What is the chance of rain in Northamptonshire in September?
On average, there are 3 rainy days in Northamptonshire during September.
Weather wise, is September a good time to visit Northamptonshire?
The weather in Northamptonshire in September is good.
Can it snow in Northamptonshire in September?
On average, there are 0 snowy days in Northamptonshire in September.
Cities in Northamptonshire

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