Watford Weather in September

September in Watford brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 11°C (52°F). The perfect weather makes it a solid choice for a visit.

Rainfall in Watford in September

Records from the past 30 years suggest around 12 days of rain, with 56 mm (2.2 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Watford in September

The perfect temperature in Watford in September makes it a solid month to visit, with 20°C (68°F) during the day and 11°C (52°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Watford in September

The area enjoys a moderate level of sunlight, with around 155 hours. It's a good balance between sunny and cloudy days.

Wind Speed in Watford in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Watford.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Watford's climate page.

Watford Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 41%  

Precipitation 56 mm (2.2 in)  

Rainy days 12 days  

Humidity 73% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 155 hours *  

Percentage Sunshine 40% *  

* Data from: London, the United Kingdom (19 KM, 12 Miles).

What to Wear in Watford in September

For Watford in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Watford in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Watford's climate page.

More climate data for Watford

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Watford climate overview or explore weather in the United Kingdom.