September Weather in Harvard

Last updated: March 2, 2024

The weather in Harvard, United States, during September is characterized by an average temperature of 21°C (70°F). Highs can soar to 35°C (94°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Harvard throughout September hovers around 77%.

Precipitation and Sunshine hours

In September, Harvard averages 67 mm (2.6 inches) of rainfall, typically over the course of 6 rainy days. The month enjoys an average of 12 hours 24 minutes of daylight, with the sun shining for approximately 9 hours 36 minutes each day. Additionally, there is a 75% probability of sunny days during this period.

UV Index

In September, the UV Index in Harvard reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.

Monthly weather in Harvard

• Harvard weather January
• Harvard weather February
• Harvard weather March
• Harvard weather April
• Harvard weather May
• Harvard weather June
• Harvard weather July
• Harvard weather August
• Harvard weather September
• Harvard weather October
• Harvard weather November
• Harvard weather December