6.6 /10
Good

September is a good month in Farnworth

Climate Overview

Farnworth, United Kingdom in September has mild conditions, with highs averaging 16.6°C (62°F) and noticeably cooler mornings. Rain falls on about 14 days this month.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 18°C (65°F) at the start to 15°C (58°F) by month's end.

September sees fairly even rainfall, totalling about 98 mm across the month.

Expect around 7.6h of sunshine at the start of September, decreasing to 6.3h by the end.

Wind speeds pick up through the month, from 19 km/h (12 mph) to 23 km/h (14 mph).

The warmest days tend to fall around the 6th, averaging 18.6°C (65°F).

Compared to August, this month is about 2°C cooler with 1 fewer rainy days. Temperatures begin dropping heading into October.

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Monthly September Averages

Temperature
17°C / 11°C
Feels Like
15°C / 9°C
Rain
14 days · 99 mm
Sunshine
7.5h / day
Humidity
83% — Very Humid
Wind
21 km/h
Wind Direction
SW (227°)
Gusts
41 km/h
Daylight
12.7 h
Cloud Cover
72%
Clear Sky Days
0.7
UV Index
3.4 — Moderate
Dew Point
11°C — Comfortable
Moon Phase
Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

24°C 21°C 18°C 15°C 12°C 9°C 6°C 151015202530
High Low

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202530
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202530
Sunshine

Daily Wind Speed

0 6 12 18 24 30 151015202530
Wind Speed
Sun Position
Sunrise 06:43
Daylight 12.7h
Sunset 19:26

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
6°C / 2°C
Feels Like
3°C / -2°C
Rain
15days (94 mm) Wet
Sun
3.2h Poor
Humidity
89% Very Muggy
UV
0.9 Low
Snow Days
4days
February
Poor
Temp
8°C / 2°C
Feels Like
3°C / -2°C
Rain
15days (85 mm) Wet
Sun
4.9h Fair
Humidity
85% Humid
UV
1.4 Low
Snow Days
3days
March
Poor
Temp
9°C / 3°C
Feels Like
5°C / -1°C
Rain
14days (83 mm) Wet
Sun
7h Good
Humidity
82% Humid
UV
3.1 Moderate
Snow Days
2days
April
Poor
Temp
12°C / 4°C
Feels Like
9°C / 0°C
Rain
11days (57 mm) Wet
Sun
9.7h Good
Humidity
76% Humid
UV
4.3 Moderate
May best
Fair
Temp
16°C / 8°C
Feels Like
13°C / 5°C
Rain
11days (61 mm) Wet
Sun
11h Excellent
Humidity
77% Humid
UV
5.1 High
June best
Good
Temp
18°C / 11°C
Feels Like
17°C / 9°C
Rain
15days (89 mm) Wet
Sun
11.1h Excellent
Humidity
77% Humid
UV
5.9 High
July best
Good
Temp
19°C / 12°C
Feels Like
18°C / 11°C
Rain
16days (94 mm) Wet
Sun
10.5h Excellent
Humidity
80% Humid
UV
5.1 High
August best
Good
Temp
19°C / 12°C
Feels Like
18°C / 11°C
Rain
15days (88 mm) Wet
Sun
9.8h Good
Humidity
81% Humid
UV
4.7 Moderate
September best
Good
Temp
17°C / 11°C
Feels Like
15°C / 9°C
Rain
14days (99 mm) Wet
Sun
7.5h Good
Humidity
83% Humid
UV
3.4 Moderate
October
Poor
Temp
13°C / 8°C
Feels Like
11°C / 5°C
Rain
15days (107 mm) Wet
Sun
5.4h Fair
Humidity
85% Humid
UV
2.1 Moderate
November
Poor
Temp
9°C / 5°C
Feels Like
6°C / 1°C
Rain
17days (95 mm) Wet
Sun
3.6h Poor
Humidity
88% Very Muggy
UV
1.1 Low
Snow Days
1days
December
Poor
Temp
8°C / 3°C
Feels Like
4°C / -1°C
Rain
16days (104 mm) Wet
Sun
2.7h Poor
Humidity
90% Very Muggy
UV
0.6 Low
Snow Days
2days
Month Temp Feels Like Rain Sun Humidity UV Status Details
January 6°C / 2°C 3°C / -2°C 15days (94 mm) Wet 3.2h Poor 89% Very Muggy 0.9 Low Poor View Details
February 8°C / 2°C 3°C / -2°C 15days (85 mm) Wet 4.9h Fair 85% Humid 1.4 Low Poor View Details
March 9°C / 3°C 5°C / -1°C 14days (83 mm) Wet 7h Good 82% Humid 3.1 Moderate Poor View Details
April 12°C / 4°C 9°C / 0°C 11days (57 mm) Wet 9.7h Good 76% Humid 4.3 Moderate Poor View Details
May best 16°C / 8°C 13°C / 5°C 11days (61 mm) Wet 11h Excellent 77% Humid 5.1 High Fair View Details
June best 18°C / 11°C 17°C / 9°C 15days (89 mm) Wet 11.1h Excellent 77% Humid 5.9 High Good View Details
July best 19°C / 12°C 18°C / 11°C 16days (94 mm) Wet 10.5h Excellent 80% Humid 5.1 High Good View Details
August best 19°C / 12°C 18°C / 11°C 15days (88 mm) Wet 9.8h Good 81% Humid 4.7 Moderate Good View Details
September best 17°C / 11°C 15°C / 9°C 14days (99 mm) Wet 7.5h Good 83% Humid 3.4 Moderate Good View Details
October 13°C / 8°C 11°C / 5°C 15days (107 mm) Wet 5.4h Fair 85% Humid 2.1 Moderate Poor View Details
November 9°C / 5°C 6°C / 1°C 17days (95 mm) Wet 3.6h Poor 88% Very Muggy 1.1 Low Poor View Details
December 8°C / 3°C 4°C / -1°C 16days (104 mm) Wet 2.7h Poor 90% Very Muggy 0.6 Low Poor View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

September is typically good for visiting Farnworth, with average highs of 17°C (62°F) and around 14 rainy days. Farnworth, United Kingdom in September has mild conditions, with highs averaging 16.6°C (62°F) and noticeably cooler mor
Farnworth typically sees around 14 rainy days in September with 99 mm (3.9 in) of total rainfall. Pack a waterproof jacket.
Nights in Farnworth during September are cool at around 11°C (51°F). Bring a jacket or sweater for evenings.
With highs of 17°C (62°F) and lows of 11°C (51°F) in September, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.
Yes, September offers some of the best weather conditions in Farnworth with comfortable temperatures and lower chances of rain.
The average UV index in Farnworth during September is 3 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Farnworth gets approximately 13 hours of daylight per day in September, with around 8 hours of sunshine.
Snow is uncommon in Farnworth during September based on 10-year climate averages.

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