Petersburg Weather in September

September in Petersburg typically sees daytime highs of 22°C (72°F) and nighttime lows of 8°C (46°F). Expect some rainfall during the month.

Rainfall in Petersburg in September

Typically, about 5 days will experience rainfall, with an average of 33 mm (1.3 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.

Temperature in Petersburg in September

If you're visiting Petersburg in September, expect excellent temperatures with highs of 22°C (72°F) and overnight lows of 8°C (46°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, September, October, November and December typically offer the best weather for Petersburg.