Valley Weather in September

Valley in September sees moderate temperatures, with highs around 18°C (64°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 87 mm (3.4 in) on average, so pack waterproofs just in case.

Rainfall in Valley in September

You can expect rain on roughly 16 days based on historical data, averaging 87 mm (3.4 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Valley in September

Expect highs of 18°C (64°F) in Valley in September, with nights dropping to around 12°C (54°F). September is part of summer. The difference between afternoon and evening temperatures is usually noticeable. With lows of 12°C (54°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July, August and September typically offer the best weather for Valley.