Arlington Heights Weather in September

September is one of the excellent months to visit Arlington Heights, with daytime temperatures of 24°C (75°F) and lows of 13°C (55°F) at night. Do note that quite a bit of rainfall is typical, averaging around 97 mm (3.8 in).

Rainfall in Arlington Heights in September

Typically, about 9 days will experience rainfall, with an average of 97 mm (3.8 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 Arlington Heights in September

September in Arlington Heights is generally excellent, with days reaching 24°C (75°F) and nights settling around 13°C (55°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 13°C (55°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.

Sunshine in Arlington Heights in September

Expect a lot of sunshine this month, with about 226 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Arlington Heights in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Arlington Heights.