Last updated: August 21, 2025
In September, Mussoorie, India experiences a blend of refreshing and mild weather, characterized by a maximum temperature of 30°C (85°F) and a pleasant average of 23°C (73°F). The evenings cool down to a minimum of 15°C (59°F), offering a comfortable respite from daytime warmth. This month is also marked by significant rainfall, with 297 mm (11.7 in) of precipitation across 26 days, resulting in a lush, vibrant landscape. The high humidity level of 83% contributes to the rich, misty atmosphere that makes Mussoorie a captivating destination for nature lovers and adventurers alike.
In September, Mussoorie enjoys a mild transition into autumn, with temperatures ranging from a minimum of 15°C (59°F) to a pleasant average of 23°C (73°F), peaking at a comfortable 30°C (85°F). This month marks a slight cooling after the summer heat, as the town shakes off the humidity of August. The mild climate invites outdoor exploration, with breathtaking views and vibrant foliage emerging. Visitors can relish the serenity of the hills, making it an ideal time to experience the natural beauty of this enchanting destination before the temperatures dip further into the cooler autumn months.
In September, Mussoorie experiences a significant decline in precipitation compared to the preceding months, with an average of 297 mm (11.7 in) of rain over 26 days. This amount, while substantial, marks a stark contrast to the deluge of July and August, which recorded nearly a meter of rain each. This shift signifies the gradual transition from the intense monsoon season, characterized by relentless rainfall, to a more temperate climate. The lingering rains in September not only contribute to the lush, green landscapes but also hint at the approaching retreat of the monsoon, leading into the drier months of October and November. As the days grow shorter, the rhythmic patter of rain becomes a soothing backdrop, making September a unique blend of cooling weather and persistent moisture.
In September, Mussoorie experiences a distinct shift in humidity, averaging 83%, which is slightly lower than the intense peak of 89% in August but remains significantly elevated compared to earlier months. The data reveals a clear trend: as the monsoon season progresses, humidity levels tend to rise sharply from July onward, peaking in August before gradually subsiding. September's humidity reflects the lingering effects of the monsoon, offering a slightly more comfortable breath of air before the drier months of October and November set in. This transitional phase exemplifies Mussoorie's rich climatic diversity, making each month unique in its own right.
As September rolls into Mussoorie, the UV Index registers at 10, indicating a very high exposure category. This marks a slight decline from the peak levels experienced in the summer months, where values soared to 12 in July and August, both categorized as extreme. With a burn time of just 15 minutes, it remains crucial for residents and visitors to prioritize sun protection. Following September, the UV Index will further decrease, dipping to 8 in October, but the lingering effects of summer's intensity can still be felt. Understanding these trends is vital for anyone enjoying the stunning outdoors of this hill station. For more detailed information, check out Mussoorie UV Index.
UV Risk Categories
As September rolls into Mussoorie, the hills bask in 314 hours of sunshine, a delightful continuation of the summer’s glow. This month marks a slight dip from the sunny peaks of May and April but still shines brighter than the softer days of late autumn and winter. Following a vibrant monsoon, visitors can revel in the appealing transition as the lush landscape transforms under the warm embrace of sunlight. Notably, the sunlight starts to dwindle in October, yet September serves as a perfect bridge, blending the lingering warmth of summer with the crispness of fall. Mussoorie, drenched in this gentle sunlight, becomes a stunning backdrop for those seeking adventure or tranquility amidst its breathtaking scenery.
September in Mussoorie experiences a 35% chance of sunny weather, marking a notable dip in sunshine compared to the summer months. Following the peak of 77% in January and a steady 74% in both February and October, the transition from monsoon sees a significant reduction in clear skies from July's 26% and August's 25%. As the season shifts, this month's sunshine is less favorable, yet still offers glimpses of bright days amidst the lingering rain. Fortunately, the sun returns with vigor in October and November, allowing for a brighter autumn ahead.
As the tranquil beauty of Mussoorie unfolds in September, daylight begins to wane, with 12 hours of sunlight illuminating the charming hill station. This month marks a subtle transition, following the peak of summer in June when the days stretched to 14 hours. While September still enjoys ample light, it signals the gradual shift towards shorter days, reminiscent of the golden hour glow that graced May and June. The steady decline in daylight from the summer months cultivates a serene atmosphere, as nature prepares for the cooler autumn and winter ahead. With autumn’s arrival, Mussoorie embraces the gentle dance of light and shadow, offering a picturesque backdrop for visitors and locals alike.
In September, Mussoorie experiences a gentle decline in wind speed, averaging 1.0 m/s (2 mph). This slight drop reflects the transition from the monsoon season, where the winds are often subdued, into the milder autumn months. Compared to the breezy April peaks, where wind speeds reach 2.0 m/s (5 mph), September's atmosphere feels calm and serene, inviting visitors to enjoy the tranquil beauty of the hills. The overall trend shows fluctuating wind speeds throughout the year; however, September stands out as one of the more still periods. As nature begins to prepare for a cooler climate, the soft breezes of September create a peaceful backdrop for both locals and travelers seeking to immerse themselves in the stunning vistas that Mussoorie has to offer.
Weather in Mussoorie varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mussoorie, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is warm and humid, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 30°C (85°F). The month sees significant rainfall, accumulating 297 mm (11.7 in) over 26 days, resulting in a high humidity level of 83%. In contrast, January brings a much cooler climate, with temperatures fluctuating between -2°C (29°F) at night and reaching up to 21°C (70°F) during the day, averaging around 8°C (47°F). The precipitation is considerably lower at 78 mm (3.1 in) over just 7 days, and humidity drops to 76%. For more detailed information, check out Mussoorie weather in January.
September and February present striking contrasts in weather. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 30°C (85°F), averaging around 23°C (73°F). The month is also characterized by high humidity at 83% and significant rainfall, accumulating 297 mm (11.7 in) over 26 days. In contrast, February experiences much cooler temperatures, with a minimum of -1°C (30°F) and a pleasant maximum of 25°C (77°F), averaging 11°C (52°F). Precipitation is notably lower, with only 67 mm (2.6 in) falling over just 8 days, and humidity decreases slightly to 78%. For more details on February weather, you can visit Mussoorie weather in February.
September and March present quite contrasting weather conditions. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 30°C (85°F), with an average of 23°C (73°F). The month is notably wet, experiencing 297 mm (11.7 in) of precipitation over 26 days and high humidity at 83%. In contrast, March features much cooler temperatures, with a minimum of 0°C (32°F) and an average of 15°C (60°F), peaking at the same maximum of 30°C (87°F). However, it is significantly drier, receiving only 61 mm (2.4 in) of rain spread across just 9 days and maintaining a lower humidity level of 76%. The different climates make September feel much more humid and rainy compared to the crisp and transitional nature of March. For more detailed insights, you can explore Mussoorie weather in March.
In comparing the weather patterns of September and April, it's evident that September is generally warmer and significantly wetter. September boasts an average temperature of 23°C (73°F), with highs reaching up to 30°C (85°F), while April has a cooler average of 20°C (68°F) and can peak at 32°C (91°F). However, September experiences much higher precipitation, with 297 mm (11.7 in) falling over 26 days, compared to April's 82 mm (3.2 in) across just 13 days. Humidity is also considerably higher in September at 83%, versus April's 67%. For those interested in exploring the climate further, you can find more specific details at Mussoorie weather in April.
When comparing the weather in September and May, September typically showcases a warmer climate, with average temperatures reaching 23°C (73°F) and highs peaking at 30°C (85°F). However, this warmth comes with significant rainfall, as September sees an average of 297 mm (11.7 in) of precipitation over 26 rainy days and higher humidity at 83%. In contrast, May offers slightly cooler temperatures with an average of 22°C (72°F) and maximums climbing to 34°C (94°F). Rainfall in May is considerably less at 84 mm (3.3 in), spread over 17 days, and the humidity is also lower at 58%. For more specific information about the weather in May, you can visit Mussoorie weather in May.
When comparing the weather in September and June, we see distinct differences in temperature and precipitation. September features a slightly lower average temperature, with minimums around 15°C (59°F) and maximums reaching 30°C (85°F), while June tends to be warmer, with averages peaking at 24°C (75°F) and maximums soaring to 34°C (94°F). Additionally, September is marked by significantly higher precipitation, totaling 297 mm (11.7 in) across 26 days, compared to June’s 133 mm (5.2 in) over just 23 days. This leads to much higher humidity levels in September at 83%, in contrast to June’s more comfortable 60%. For a more detailed understanding, you can visit Mussoorie weather in June.
In comparing the weather of September and July, it is evident that July tends to be warmer, with average temperatures reaching 24°C (75°F) compared to September's 23°C (73°F). However, September experiences a slightly wider temperature range, with maximums peaking at 30°C (85°F) versus July's 32°C (89°F). Precipitation levels are notably higher in July, accumulating 459 mm (18.1 in) over 30 days, while September sees 297 mm (11.7 in) across 26 days, indicating a wetter month in July. Additionally, September boasts higher humidity at 83%, as opposed to July's 78%. For more details on July's climate, visit Mussoorie weather in July.
In comparing the weather of September and August, it is clear that September brings slightly cooler temperatures, with minimums of 15°C (59°F) compared to 19°C (67°F) in August. The average temperature in September is 23°C (73°F), while August holds a slight edge at 24°C (75°F). Both months experience high humidity, with September's average at 83% and August being a bit more humid at 89%. Precipitation levels are notably different, with September receiving 297 mm (11.7 in) over 26 days, compared to August's heavier rainfall of 441 mm (17.4 in) across 31 days, making August a more consistently wet month. For detailed information, check out Mussoorie weather in August.
September and October showcase a notable shift in weather patterns. In September, temperatures range from a minimum of 15°C (59°F) to a maximum of 30°C (85°F), with an average of 23°C (73°F). This month also experiences high precipitation, totaling 297 mm (11.7 in) across 26 days, resulting in a humid atmosphere with an average humidity of 83%.
In contrast, October sees a drop in temperatures, with minimums dipping to 7°C (46°F) and a slightly cooler average of 19°C (66°F), while the maximum stays relatively stable at 29°C (85°F). Rainfall significantly decreases to just 32 mm (1.3 in) over 8 days, and humidity levels also drop to 76%. The transition from the wet, warm days of September to the cooler, drier conditions of October marks a refreshing change in the climate. For more details, check out Mussoorie weather in October.
September and November present distinctly different weather experiences. In September, temperatures range from a mild minimum of 15°C (59°F) to a warm maximum of 30°C (85°F), with an average of 23°C (73°F). However, this month is characterized by high precipitation, with 297 mm (11.7 in) over 26 days and humidity levels soaring at 83%. In contrast, November is much cooler, with temperatures dropping to a minimum of 3°C (38°F) and an average of 14°C (57°F), peaking at 25°C (77°F). The month sees significantly less rainfall, with only 19 mm (0.8 in) over just 4 days, and humidity decreases to 63%. For more detailed information, you can check Mussoorie weather in November.
September and December present starkly contrasting weather conditions. In September, temperatures range from a mild 15°C (59°F) to a warm 30°C (85°F), with an average of 23°C (73°F). This month is characterized by frequent precipitation, totaling 297 mm (11.7 in) over 26 days, and high humidity at 83%. In contrast, December experiences much cooler temperatures, with a minimum of -2°C (29°F), an average of 9°C (49°F), and a maximum of 22°C (71°F). Precipitation significantly decreases to just 40 mm (1.6 in) spread over only 3 days, coupled with lower humidity at 62%. For more detailed weather information, check out Mussoorie weather in December.
As September unfolds in Mussoorie, it brings a unique charm distinct from other months, characterized by a harmonious blend of mild temperatures and high humidity. With daytime averages nudging at a comfortable 23°C (73°F) and occasional highs reaching 30°C (85°F), the weather invites visitors to explore the lush landscapes. However, this month also marks a shift towards increased rainfall, with 26 days of precipitation contributing to a significant 297 mm (11.7 in) of rain. The 83% humidity envelops the hill station, enhancing its atmospheric allure. If you’re curious about Mussoorie's climate nuances throughout the year, be sure to check out Mussoorie Climate.