Nyköping Weather in September

September in Nyköping sees daytime temperatures around 17°C (63°F) and lows of 10°C (50°F) at night. With around 65 mm (2.6 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Nyköping in September

Analyzing past climate data, one can expect approximately 14 days of rain, averaging 65 mm (2.6 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Nyköping in September

In September, Nyköping gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 10°C (50°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

For Nyköping itself, July and August generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.