Johnston Weather in September

September in Johnston brings moderate temperatures, with highs of 18°C (64°F) and nights dropping to 13°C (55°F). Rainfall is on the higher side this month, averaging around 85 mm (3.3 in), so keep a rain jacket handy.

Rainfall in Johnston in September

The climate data from previous years indicates about 14 days of rain, averaging 85 mm (3.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Johnston in September

In September, expect moderate temperatures in Johnston, with highs of 18°C (64°F) and lows of 13°C (55°F) at night. September is part of summer. Conditions are often most pleasant around the middle of the day. With overnight lows of 13°C (55°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.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Johnston.

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• January
• February
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• May
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• October
• November
• December

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

Johnston Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 48%  

Precipitation 85 mm (3.3 in)  

Rainy days 14 days  

What to Wear in Johnston in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Johnston in September

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

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

9/10

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 Johnston's climate page.

More climate data for Johnston

Temperature Rainfall

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