Birch Plain Weather in September

September in Birch Plain typically sees daytime highs of 18°C (64°F) and nighttime lows of 12°C (54°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Birch Plain in September

You can expect rain on roughly 14 days based on historical data, averaging 135 mm (5.3 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Birch Plain in September

Birch Plain in September gets highs of 18°C (64°F) during the day and drops to 12°C (54°F) at night. September is part of summer. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 12°C (54°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.

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.