Bath, United Kingdom — Weather in September 2026

Climate Overview

Bath, United Kingdom in September has mild conditions, with highs averaging 18.3°C (65°F) and noticeably cooler mornings. Rain falls on about 11 days this month.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 20°C (67°F) at the start to 16°C (61°F) by month's end.

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Wind speeds pick up through the month, from 18 km/h (11 mph) to 22 km/h (14 mph).

The warmest days tend to fall around the 6th, averaging 20°C (68°F).

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

Monthly September Averages

Temperature

18°C / 12°C

Feels Like

17°C / 10°C

Rain

11 days · 74 mm

Sunshine

7.3h / day

Humidity

81% — Very Humid

Wind

20 km/h

Wind Direction

WSW (242°)

Gusts

40 km/h

Daylight

12.6 h

Cloud Cover

69%

Clear Sky Days

1.5

UV Index

3.9 — Moderate

Dew Point

12°C — Comfortable

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:45

Daylight 12.7h

Sunset 19:27

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	8°C / 2°C	4°C / -2°C	12days (66 mm) Wet	3.7h Poor	88% Very Muggy	1.1 Low	Poor	View Details
February	9°C / 3°C	5°C / -1°C	11days (62 mm) Wet	4.9h Fair	84% Humid	1.6 Low	Poor	View Details
March	10°C / 4°C	7°C / 0°C	13days (71 mm) Wet	6.4h Fair	82% Humid	3.3 Moderate	Poor	View Details
April	13°C / 5°C	10°C / 2°C	10days (52 mm) Wet	9h Good	77% Humid	4.8 Moderate	Fair	View Details
May best	17°C / 8°C	15°C / 6°C	11days (62 mm) Wet	10.5h Excellent	76% Humid	5.5 High	Good	View Details
June best	19°C / 12°C	18°C / 10°C	11days (59 mm) Wet	10.3h Excellent	77% Humid	6.1 High	Good	View Details
July best	21°C / 14°C	20°C / 13°C	10days (57 mm) Wet	10.4h Excellent	75% Muggy	5.8 High	Excellent	View Details
August best	21°C / 13°C	20°C / 12°C	10days (61 mm) Wet	9.1h Good	78% Humid	5.1 High	Excellent	View Details
September best	18°C / 12°C	17°C / 10°C	11days (74 mm) Wet	7.3h Good	81% Humid	3.9 Moderate	Good	View Details
October	15°C / 9°C	13°C / 7°C	13days (91 mm) Wet	5.4h Fair	85% Humid	2.4 Moderate	Fair	View Details
November	11°C / 6°C	8°C / 2°C	12days (77 mm) Wet	4.2h Fair	87% Very Muggy	1.3 Low	Poor	View Details
December	9°C / 4°C	6°C / 1°C	13days (81 mm) Wet	2.9h Poor	89% Very Muggy	0.9 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

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

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Bath?

September is typically good for visiting Bath, with average highs of 18°C (65°F) and around 11 rainy days. Bath, United Kingdom in September has mild conditions, with highs averaging 18.3°C (65°F) and noticeably cooler mornings

Does it rain a lot in Bath in September?

Bath typically sees around 11 rainy days in September with 74 mm (2.9 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Bath in September?

Nights in Bath during September are cool at around 12°C (53°F). Bring a jacket or sweater for evenings.

What should I pack for Bath in September?

With highs of 18°C (65°F) and lows of 12°C (53°F) in September, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Bath?

Yes, September offers some of the best weather conditions in Bath with comfortable temperatures and lower chances of rain.

What is the UV index in Bath in September?

The average UV index in Bath during September is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Bath in September?

Bath gets approximately 13 hours of daylight per day in September, with around 7 hours of sunshine.

Does it snow in Bath in September?

Snow is uncommon in Bath during September based on 10-year climate averages.

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