What is the weather like in Boston throughout the year?

Boston experiences varying weather throughout the year. The warmest month is July with average highs of 28°C. The coolest month is January.

What is the weather like in Boston in September?

Boston in September scores 58/100 based on 30 years of climate data. Decent conditions for most activities.

Who should visit Boston in September?

September in Boston is ideal for: Families with children, Outdoor enthusiasts, Cultural tourists, Honeymoon couples, Business travelers.

Best Time to Visit Boston | 30-Year Weather Analysis

Why September is the Best Time to Visit Boston

Is September a Good Time to Visit Boston?

👌Decent conditions for most activities(58/100)

Short Answer

September brings storm season risk to Boston. While typical weather is 23°C with 21% rain, plan for potential disruptions and secure cancellation-friendly bookings.

Decision Factors

Atlantic Hurricane season active

Atlantic zone - expect potential atlantic hurricane activity

Peak tourist season

96% of annual peak - expect crowds and peak prices

Ideal temperature range

23°C - perfect for sightseeing and outdoor activities

Plenty of sunshine

8.8h of sunshine daily

Exceptional dining scene

26 Michelin-listed restaurants

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 23°C temperatures and low 21% rain risk
🥾
Outdoor enthusiasts
Ideal hiking conditions: 23°C, 21% rain chance
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💑
Honeymoon couples
Wedding score 97/100 with romantic weather conditions
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
75% humidity creates difficult conditions
💼
Business travelers
Storm season may cause flight disruptions

Warmest

July

28°C avg

Coolest

January

2°C avg

Driest

September

21% rain

Wettest

July

27% rain

Planning Your Trip to Boston, United States

Wondering when is the best time to visit Boston? Based on our analysis of 30 years of NASA satellite weather data, the ideal months to travel to Boston are September, August, June. During these months, you'll experience optimal temperatures around 23°C with only 21% chance of rain.

The Boston climate varies throughout the year. July is the hottest month with average highs of 28°C, while January is the coldest at 2°C. If you're planning outdoor activities or sightseeing in Boston, avoid July when rainfall peaks at 27% probability.

For the best Boston weather experience, we recommend visiting during September for the driest conditions or the shoulder months of September and August for a perfect balance of weather and fewer crowds.

Boston Weather by Month: Climate Guide

Click any month to explore detailed daily forecasts for Boston

🏆 85-100: Excellent👍 70-84: Great👌 55-69: Good🤔 40-54: Fair⚠️ 0-39: Challenging

When to Visit Boston: Travel Style Guide

Personalized Boston travel recommendations based on 30-year weather data

Beach Lovers

Warmest weather with ideal sea temperatures for swimming

JulyAugustJune

Budget Travelers

Shoulder season with good weather and lower prices

AprilMayJuly

Avoiding Crowds

Fewer tourists with acceptable weather conditions

FebruaryMarchApril

Photography

Best light conditions with clear skies

SeptemberOctoberAugust

Winter Escape

Escape the cold with warmest temperatures

JuneJulyAugust

Honeymoon

Perfect conditions for a romantic getaway

MayJuneJuly

Boston Weather FAQ: Your Questions Answered

What is the best time to visit Boston?

Based on 30 years of weather data, the best months to visit Boston are September, August, June. These months offer the optimal combination of pleasant temperatures (23°C avg) and low rainfall (21% chance).

When is the hottest time of year in Boston?

July is historically the warmest month in Boston with average highs of 28°C. If you prefer cooler weather, consider visiting in January when temperatures average around 2°C.

When is the rainy season in Boston?

July typically sees the most rainfall in Boston with a 27% chance of rain. For the driest conditions, plan your visit in September when rain probability drops to just 21%.

How accurate is the Boston weather forecast?

Our Boston climate analysis is based on 30 years of NASA POWER satellite observations (1995-2024), providing highly accurate historical averages. While weather can vary year to year, these long-term patterns are excellent indicators for planning your trip to Boston.

What should I pack for Boston?

Packing depends on when you visit. In July (warmest month), pack light summer clothes for 28°C weather. In January (coolest month), bring layers for 2°C temperatures.

Is Boston good for a destination wedding?

Yes! The best months for an outdoor wedding in Boston are September (only 21% rain chance) and September for optimal weather conditions. Avoid July when rain probability peaks at 27%.