Last updated: February 24, 2025
In September, San Andreas experiences a varied climate with a maximum temperature reaching up to 41°C (107°F), while the average hovers around a pleasant 22°C (72°F). The month sees a minimum temperature of 8°C (46°F), offering a cool respite during the cooler nights. Rainfall is minimal, with only 6 mm (0.2 in) of precipitation recorded throughout a single day, contributing to the region's typically dry weather. Maintaining a humidity level of 44%, September in San Andreas is characterized by warm, dry days and comfortably cooler evenings, making it an appealing time for outdoor activities.
September in San Andreas marks a transition into milder weather, showcasing a delightful blend of warm days and cooler nights. The average temperature hovers around 22°C (72°F), providing a comfortable climate for outdoor activities. While the minimum dips to 8°C (46°F), the maximum can reach a sweltering 41°C (107°F), reminiscent of the summer heat just past. As the month progresses, the temperature begins to trend downward from the peak highs of August, yet still offers plenty of sun-filled days. This month acts as a bridge, gently shifting from the height of summer’s warmth, making it an appealing time for visitors and locals alike to enjoy the diverse outdoor landscapes.
In September, San Andreas experiences a notable shift in precipitation patterns, with a modest rainfall of 6 mm (0.2 in) occurring over just one day. This marks a significant increase compared to the preceding two months, where zero precipitation was recorded. After the dry, sun-soaked summer months of July and August, September offers a gentle reintroduction of moisture, signaling the start of the wetter fall season. The light rain serves as a precursor to the more substantial rainfall expected in the coming months, as the region transitions from its arid summer into a period of increased precipitation and vibrant autumn landscapes.
In September, San Andreas experiences a notable shift in humidity as it transitions from the dry summer months. Following August's low average of 36%, humidity increases to 44%, signaling the approach of autumn. This uptick reflects a broader trend where humidity levels slowly rise after a seasonal dip, as October sees a further increase to 65%. Interestingly, the early months of the year, particularly January and February, consistently boast high humidity levels around 84%, making them the most humid months. As the year progresses, there's a clear trend of diminishing humidity during the late spring and summer, followed by a gradual rise again in the fall and winter, creating a rhythmic pattern that characterizes the region's climate.
As September rolls into San Andreas, the UV Index remains a notable 9, indicating a very high exposure category, similar to the intensity felt during the peak summer months. This month, outdoor enthusiasts should be aware that the burn time is around 15 minutes, emphasizing the need for sun protection, even as the prevailing heat begins to wane. This trend suggests that while temperatures may dip slightly from the scorching heights of July and August, the sun’s rays continue to pack a punch. With UV levels gradually decreasing heading into fall, October will bring a more manageable 6 on the index. For more insights on UV exposure in your area, check out San Andreas UV Index.
UV Risk Categories
As summer winds down, September offers a delightful 319 hours of sunshine in San Andreas, showcasing the region's lingering warmth. This month marks a notable decline from the peak sunshine of July, with its impressive 397 hours, yet it remains a vibrant time as the light of August fades. Despite the gradual decrease, September still boasts more sunlight than any winter month, creating ideal conditions for outdoor enthusiasts. The region's sunny disposition gradually tapers off into fall, reflected in the gentle decline of hours leading to October's 289 hours, yet it maintains a pleasant warmth perfect for enjoying the last whispers of summer.
In San Andreas, the likelihood of sunny weather in September remains quite high at 87%, reflecting a consistent trend of pleasant conditions as summer transitions into fall. This month experiences a slight dip from the peak August sun at 95%, yet it still maintains much higher chances of sunshine than the winter months, which average below 60%. The gradual increase in sunny days from January's 42% to May's 87% speaks to the region's warming climate, making September a delightful time for outdoor activities before the cooler days of autumn set in. Whether planning a weekend getaway or simply hoping for clear skies, September in San Andreas promises an inviting mix of warmth and sunshine.
As summer wanes, September in San Andreas brings a gentle transition in daylight duration, with the sun gracing the sky for 12 hours each day. This marks a subtle yet noticeable decline from the 14 hours enjoyed during the peak of summer months. The gradual fade of daylight begins to mirror the onset of autumn, with daylight hours tapering off from the vibrant scenes of August. As the year progresses towards October, daylight continues to decrease, signaling the approach of shorter days and inviting a cozy atmosphere that embraces the change of seasons.
As September rolls around in San Andreas, the average wind speed settles at a gentle 2.0 m/s (4 mph), mirroring the slight decline seen through late summer. This subtle reduction follows the consistent, albeit modest, wind speeds of the previous months, with only a slight dip from August’s 2.0 m/s. The trend indicates a calming atmosphere as the summer heat fades, inviting a sense of tranquility before the winds pick up again in October. Overall, September marks the transition to the autumn breeze, characterized by a brief lull in wind energy, showcasing a rhythmic pattern typical of this charming coastal region.
The weather in San Andreas changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in San Andreas and find detailed weather information for every month.
September and January present contrasting weather conditions. In September, temperatures range from a mild 8°C (46°F) at night to a scorching maximum of 41°C (107°F) during the day, with an average of 22°C (72°F). The month is relatively dry, with only 6 mm (0.2 in) of precipitation over a single day and humidity levels at 44%. In stark contrast, January brings much cooler temperatures, with a minimum of -3°C (28°F) and an average of 9°C (48°F), peaking at 23°C (74°F). This month sees significantly more rainfall, accumulating 164 mm (6.5 in) across about 9 days and higher humidity at 84%. For more specifics about January weather, check out this link: San Andreas weather in January.
In September, temperatures range from a minimum of 8°C (46°F) to a scorching maximum of 41°C (107°F), with an average temperature around 22°C (72°F). This month sees relatively low precipitation, averaging only 6 mm (0.2 inches) across just one rainy day, resulting in a humidity level of 44%. In stark contrast, February experiences much cooler temperatures, with a minimum of -4°C (24°F) and an average of 9°C (49°F), peaking at 24°C (76°F). February is significantly wetter, bringing in about 157 mm (6.2 inches) of rain over nine days and a much higher humidity level of 84%. For more details about the February weather in San Andreas, check out San Andreas weather in February.
September and March present strikingly different weather patterns. In September, temperatures range from a comfortable minimum of 8°C (46°F) to a scorching maximum of 41°C (107°F), with an average of 22°C (72°F). The month is relatively dry, experiencing only 6 mm (0.2 in) of precipitation over just 1 day and maintaining a humidity level of 44%. In contrast, March features a much broader temperature swing, with lows dipping to -1°C (31°F) and highs reaching up to 27°C (81°F). With an average temperature of 11°C (53°F), March is considerably wetter, receiving 178 mm (7.0 in) of precipitation spread across 12 days, accompanied by a higher humidity of 83%. For more detailed insights, check out San Andreas weather in March.
September and April showcase striking contrasts in weather patterns. September typically experiences warmer temperatures, with a minimum of 8°C (46°F) and a pleasant average of 22°C (72°F), peaking at a scorching 41°C (107°F). In stark contrast, April has cooler conditions, with a minimum of 1°C (34°F) and an average of 15°C (59°F), reaching up to 31°C (88°F). Additionally, September boasts low precipitation, with just 6 mm (0.2 in) over a single day, while April is significantly wetter, receiving 79 mm (3.1 in) spread over six days. Humidity levels also differ, with September at 44% compared to April's much higher 81%. For more detailed insights about April weather, check out San Andreas weather in April.
When comparing the weather in September and May, notable differences emerge in temperature, humidity, and precipitation. September typically boasts warmer temperatures, with daytime highs averaging 22°C (72°F) and peaking at an impressive 41°C (107°F). In contrast, May features cooler temperatures, with averages around 18°C (64°F) and maximums reaching 35°C (95°F). While September experiences relatively low precipitation, averaging only 6 mm (0.2 in) over just one day, May is significantly wetter, with 45 mm (1.8 in) falling over three days, contributing to a higher humidity of 74%. For a closer look at what to expect, check out the details at San Andreas weather in May.
In comparing the weather of September and June, we notice that both months enjoy relatively warm temperatures, with September having an average of 22°C (72°F) and June just slightly warmer at 23°C (73°F). Both months experience high maximum temperatures, but September can reach up to 41°C (107°F), slightly surpassing June's peak of 40°C (104°F). Precipitation is infrequent in both months, with September receiving only 6 mm (0.2 in) over 1 day, while June records a mere 3 mm (0.1 in) with no rainy days at all. Notably, humidity levels differ significantly; June tends to be more humid at 64%, compared to September's lower 44%. For more specifics about June's climate, you can check San Andreas weather in June.
In comparing the weather of September and July, we see some distinct differences. September experiences a wider temperature range, with minimums dipping to 8°C (46°F) and maximums soaring up to 41°C (107°F), while July maintains warmer lows at 12°C (54°F) and a slightly lower maximum of 39°C (103°F). Precipitation is negligible in July, with 0 mm recorded over the month, whereas September sees some rainfall, albeit minimal at 6 mm over just one day. Interestingly, both months have similar humidity levels, remaining steady at 44%. For more detailed insights, you can check out San Andreas weather in July.
In September, temperatures in San Andreas vary from a minimum of 8°C (46°F) to a maximum of 41°C (107°F), with an average of 22°C (72°F). This month sees minimal precipitation at just 6 mm (0.2 in) over one day, and humidity levels are around 44%. In contrast, August is slightly warmer overall, with minimum temperatures of 12°C (54°F) and an average of 25°C (77°F), also reaching a maximum of 41°C (107°F). August is notably dry, recording no precipitation, and experiences lower humidity at 36%. For more details on August weather, you can visit San Andreas weather in August.
September typically sees warmer temperatures, with a minimum of 8°C (46°F) and an average of 22°C (72°F), peaking at an impressive 41°C (107°F). In contrast, October brings a notable drop in temperature, with lows of 2°C (37°F) and an average that falls to 17°C (63°F), while the maximum is reduced to 35°C (96°F). Additionally, October experiences significantly more precipitation, totaling 43 mm (1.7 in) over two days, compared to September's mere 6 mm (0.2 in) on just one day. The humidity also increases in October, reaching 65% compared to September's 44%. For more detailed information on October weather, you can check out San Andreas weather in October.
September and November present quite different weather profiles. In September, temperatures can reach a sweltering high of 41°C (107°F) with an average of 22°C (72°F) and just a minimal amount of precipitation at 6 mm (0.2 in) over only one day. The humidity is relatively low at 44%, making the conditions feel quite warm and dry. In contrast, November experiences a significant drop in temperature, with a maximum of 27°C (81°F) and an average of 12°C (53°F). The month sees heavy rainfall, accumulating to 82 mm (3.2 in) spread over six days, and the humidity rises sharply to 84%. This transition reflects the changing seasons, emphasizing a shift from warm, dry days to cooler, wetter weather. For more details, check San Andreas weather in November.
September and December present stark contrasts in weather. In September, temperatures soar with a minimum of 8°C (46°F) and an average high of 41°C (107°F), while precipitation is minimal at just 6 mm (0.2 in) over one day, accompanied by a comfortable humidity of 44%. In contrast, December sees much cooler conditions, with temperatures ranging from a minimum of -2°C (29°F) to an average high of 22°C (72°F). The month is much wetter, receiving 136 mm (5.3 in) of rain over ten days, and humidity levels rise significantly to 83%. For more details, check out San Andreas weather in December.
As September arrives in San Andreas, the weather showcases a striking transition, marking a shift from the sweltering summer heat to more moderate temperatures. This month typically experiences a blend of warmth and cooler nights, making it a delightful time for outdoor activities. With an average temperature around 22°C (72°F), the heat is tempered, resulting in comfortable days and crisp evenings. Interestingly, rainfall is minimal, with just a single day of precipitation recorded, allowing for plenty of sunshine and low humidity levels that hover around 44%. For those looking to explore the unique characteristics of each season, September offers a refreshing departure from the extremes experienced during summer. Discover more about what to expect throughout the year by visiting San Andreas Climate.