Sussex Weather in September

September in Sussex brings pleasant temperatures, with daytime highs of 20°C (68°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 102 mm (4 in), so pack an umbrella.

Rainfall in Sussex in September

Typically around 10 days of rainfall are expected, averaging 102 mm (4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Sussex in September

Expect highs of 20°C (68°F) in Sussex in September, with nights dropping to around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to 9°C (48°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Sussex in September

The area enjoys a moderate level of sunlight, with around 173 hours. It's a good balance between sunny and cloudy days.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

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

Sussex Temperature in September

Min Temperature 9°C (48°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 33%  

Precipitation 102 mm (4 in)  

Rainy days 10 days  

Sunshine 173 hours *  

Percentage Sunshine 45% *  

* Data from: Moncton, Canada (68 KM, 42 Miles).

What to Wear in Sussex 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Sussex in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

3/10

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 Canada, check out our Sussex's climate page.

More climate data for Sussex

Temperature Rainfall Sunshine

See the full Sussex climate overview or explore weather in Canada.